People

Chris R. Ladner, LEED Fellow, CEM, CxA

Partner

Chris has a B.S. in engineering from Iowa State and is a LEED Fellow,  LEED Accredited Professional in Building Design and Construction, Certified Energy Manager (CEM), and Certified Commissioning Authority. Through his previous experience Chris has expertise in building HVAC systems, performance contracting, controls as well as knowledge of industrial controls.

In 2008, Chris was a Commissioner on the Arkansas Governor’s Commission on Global Warming. Through this commission greenhouse gas reduction policies will be developed for the Governor and Arkansas Legislators.

As a consultant to the Clinton Climate Initiative, Chris works with cities and other institutions to reduce their greenhouse gas emissions.

Chris currently serves as Chair of the U.S. Green Building Council National Chapter Steering Committee and holds positions on various USGBC sub-committees. He is an Arkansas delegate to the USGBC Southeast Regional Council and the regional Co-Chair. His past positions with the Arkansas Chapter of the USGBC include Chair, Vice-Chair, Secretary, and coordinator of the annual Sustainable Arkansas conference.

Chris has participated in various types of LEED projects including: LEED-Neighborhood Development, LEED-Commercial Interiors, LEED-New Construction, LEED for Existing Buildings, and LEED-Homes.

As the team leader of a volunteer design team Chris is helping the Argenta Community Development Center in North Little Rock, Arkansas with their Green Homes project. The project is an effort to demonstrate the financial, environmental, and occupant benefits of the LEED-Homes sustainable standard inan affordable home project.

Chris has presented on sustainable design and construction to various groups including Master Speaker at the USGBC Greenbuild Conference, American Planning Association, National Environmental Balancing Bureau (NEBB), the American Society of Heating Refrigeration and Air Conditioning Engineers (ASHRAE), graduate architecture programs, and various sustainability conferences.

Matthew Bell, CEM, LEED AP BD+C

Partner

Matt holds B.S.  in Business Administration from University of Arkansas, is a LEED Accredited Professional in Building Design and Construction and a Certified Energy Manager (CEM). His previous experience brings expertise in construction estimation and project management.

Previously, Matt was an executive in the construction industry as co-founder of Bell-Corley Construction, a commercial general contracting firm located in Little Rock. While at BCC, Matt Bell and Boyd Corley were recognized locally by Arkansas Business Magazine and nominated for Business of the Year in both 2005 and 2006. Nationally BCC was recognized by Entrepreneur Magazine as a member of the HOT 100 fastest growing businesses ranking 26th and the Inc Magazine Inc. 500 as the 44th fastest growing company in 2006. In 2005, Arkansas Business Publishing recognized Matt as business leader and he was selected to the “40 under 40″ list of upcoming business and political leaders in Arkansas under 40 years of age.

Matt recently served as the Chair of the Green Schools Advocacy Committee through the USGBC Arkansas Chapter and currently serves as a chair member on the committee. Additionally, Matt currently serves as Vice-Chairman for the Keep Arkansas Beautiful Commission.

Current responsibilities include providing sustainable design and construction assistance to owners, architects, engineers, and contractors to enhance their ability to budget, plan, design, and finance a facility that respects occupant needs, financial responsibilities, and the environment. Primarily responsible for the project management of all LEED New Construction projects and coordination of all project team member responsibilities.

April Ambrose, LEED AP BD+C

Sustainability Consultant/Senior Project Manager

April received her B.A. in a self-designed Environmental Education major, which included an Arkansas high school teaching certificate, from Hendrix College in Conway, Arkansas. April is a LEED Accredited Professional in Building Design and Construction.

April is a graduate of the University of Arkansas, Division of Agriculture LeadAR Class 13. LeadAR is a two-year program dedicated to the education of Arkansas’ emerging leaders on the economic and social changes affecting the state. In October 2013, she was inducted into Leadership Greater Little Rock Class XXIX. LGLR is a prestigious nine-month program that has graduated over 1,300 community leaders.

She has presented on sustainability to various groups including: Global Reporting Initiative’s Sustainability Conference, BOMA GLR’s Spring Education Day, National Women’s Leadership Summit, American Society of Interior Designers, LeadAR, Arkansas Municipal League, Pulaski County Democratic Committee, Arkansas Business Publishing Group’s Green Guide, U.S. Green Building Council’s Sustainable Arkansas, Little Rock Sustainability Summit, Little Rock Racial & Cultural Diversity Commission and National Guard Women’s Speaker Series, Arkansas Festival Association Conference, USGBC Arkansas, Memphis, and Louisiana Chapter Branches and Residential Discussion Group, IIDA, AIA Memphis, Rotary Clubs, and many local colleges/universities, environmental groups, and media outlets.

April’s current responsibilities include leadership of the Sustainability Consulting department at Viridian, Sales Manager for the Memphis, TN area, project management of LEED and sustainability consulting projects with design and construction project teams, and development of sustainability related continuing education presentations.

John Coleman, P.E., LEED AP BD+C

NWA Regional Office/Director

John is a graduate of the University of Arkansas’ College of Engineering. He is a licensed professional engineer in the state of Arkansas and is a LEED Accredited Professional in Building Design and Construction.

John spent five years as an environmental engineer in the Chesapeake Bay and Mississippi River delta watersheds before moving to Austin, Texas to study environmental policy and sustainable development at the University of Texas.  While in Austin, John worked in the City Manager’s Office developing Austin’s Climate Protection Plan and Austin’s CarShare program. In May 2007, he moved to Fayetteville as the City’s Sustainability Director and worked on a variety of issues including energy management, economic development, and energy policy.

He currently serves as Chair for the U.S. Green Building Council Western Arkansas Chapter Steering Committee, Elevate Board Member, and Fayetteville Natural Heritage Association Board Member. Other professional memberships include the Legislative Task Force on Sustainable Buildings and Design and Arkansas Building Authority Revolving Loan Committee.

Current responsibilities include managing the Northwest Arkansas Viridian office, sustainability consulting, and managing energy services projects related to commissioning and building performance testing.

Rick Vance, CEM, CxA, LEED AP BD+C

Energy Services/Senior Project Manager

Through his previous professional experience, Rick has gained expertise in sustainable business development and LEED certification for a range of large scale, international projects including hotels, high-rise residential and commercial buildings, and community developments. In addition, Rick has worked with global companies to develop organizational energy and carbon management policies, including low carbon product development and connected real estate services. Rick has participated in various types of LEED projects including: LEED-Neighborhood Development, LEED-Commercial Interiors, LEED-New Construction and LEED for Existing Buildings.

In 2009, Rick was a Team Advisor for the Greenland Quest, an unsupported vertical crossing of the Greenland icecap to raise awareness of global warming is-sues and the need for sustainability. Through his participation, Rick advised team members and supporters on sustainable development practices.

In addition to international work, Rick has developed and managed local, sustainable projects in Little Rock including community events and green business ventures. As Executive Director of the MacArthur Park 5k Race and Evening Event, Rick and his team built an annual fund raising event that supports community improvement of the downtown Little Rock area.

Rick has presented on sustainable development and energy management to various groups including the Dubai Environment, Health, and Safety (EHS) regulating authority, RealComm and BOMA, Dubai International Business Women Group, and the Global Project and Process Management Association.

Rick’s current responsibilities include new construction energy services including fundamental and enhanced commissioning, building envelope commissioning and indoor air quality testing, energy management business development and project stakeholder training and education.

Michael Barnett, P.E., HDPA, CEM

Energy Services/Senior Project Manager

Michael holds a B.S. in Mechanical Engineering from Messiah College in Grantham, PA. He is a registered Professional Engineer as well as a Hospital Facility Design Professional and Certified Energy Manager.

Michael has a total of 18 years of experience in designing and managing the design of mechanical, electrical, plumbing and fire protection systems for Hospitals and Higher Education facilities, as well as various other commercial buildings.

His project experience includes the design of multiple different types of HVAC systems, including chilled water plants, heating water systems, Variable Air Volume (VAV) airside systems, Variable Refrigerant Volume (VRV) systems, and other systems. Project design experience includes numerous Hospital, Higher Education, Commercial, Municipal, and Church projects.  Michael has also been responsible for managing the design of all building systems on projects for the last 7 years.

Current responsibilities include management of Existing Building Energy Services including Energy Modeling, Measurement and Verification, Energy Assessments and Retro-Commissioning, as well as building electrical and mechanical design review.

Former responsibilities include HVAC design engineering, project management, team management and a Managing Principal role at a consulting engineering firm.

Tricia Loe, BESA, LEED AP BD+C, LEED AP ID+C

North Texas Regional Manager

Tricia received a B.S. in Mechanical Engineering from Louisiana State University and later earned a Masters in Business Administration from Southern Methodist University in Dallas, Texas. Tricia is a Commercial Green Building Provider for the City of Dallas, a  Building Energy Simulation Analyst, and a LEED Accredited Professional in Building Design and Construction and Interior Design and Construction.

Previously, Tricia served as Senior Sustainability Manager for a Frisco, Texas sustainability firm where she advised project teams on how to achieve sustainable building design, operation, and maintenance. She has experience managing LEED projects, energy modeling for new and existing buildings, and performing building commissioning to ensure that building systems operate per design.

Tricia is active in the USGBC North Texas Chapter where she serves on the Education and Events Committee as the Tours Subcommittee Chair. She is on the Steering Committee for the University of Dallas Business & Society Network and the Green Team Chair for the North Texas Conference of the United Methodist Church.

Current responsibilities include growing Viridian’s presence in the North Texas region and generating sales by closing new accounts and maintaining and increasing sales of current accounts. Tricia’s duties also include attending conferences, events, and local meetings to develop relationships and generate sales leads.

David Mann, LEED AP BD+C

Building Asset Evaluations/Director

David holds a B.A. in English from Centenary College, attended the Construction Management and Engineering program at the University of Arkansas at Little Rock, and has completed training with the Construction Estimating Institute.  David is a LEED Accredited Professional in Building Design and Construction.

In 2012, David served as Steering Committee Chair for the U.S. Green Building Council Arkansas Chapter and currently serves as Board Member and Vice Chair for the organization.

The majority of David’s career has been spent as a Project Manager for a Top ENR 100 Construction Manager/General Contractor. With over 10 years of project management experience and 225 projects, he enjoys finding solutions for all types of project challenges. Pro-active communication with the owner, architect, job-site and subcontractors was paramount to ensure that our information channel was always open.

As project manager, he reported to property owners specific cost segregation’s on new construction and expansion/renovation projects as they related to depreciable assets such as site improvements, structure, interior partitions, building systems, FFE, etc. He also performed replacement cost analysis for natural disasters, worked with insurance companies to provide appropriate documentation to backup construction costs, and to assist property owners and tenants segregate asset cost commitments between parties. David also was instrumental in establishing a new business development department with the primary goal of identifying potential clients and to re-connect with existing clients who value a construction manager/general contractor relationship.

While working in the construction department of a Fortune 500 department store chain, David performed budgeting and estimating take-off, coordinated project schedules with general contractors and specialty vendors, cost tracking and change order management, and was a field manager during a major department store chain acquisition in Virginia.

Current responsibilities include building asset evaluations,  cost segregation studies, property condition assessment reports, ADA and Life Safety compliance surveys, forensic investigations of existing facilities systems and components.

Tim Staley, P.E., CEM, LEED AP

Vice President of Sales

Tim holds a  B.S. in Mechanical Engineering from Louisiana Tech University and is a graduate of Rice University Graduate School of Business. He brings more than 25 years of experience in the area of energy engineering and commissioning. Tim is a licensed Professional Engineer, Certified Energy Manager, and LEED Accredited Professional.

Based on experience and specialized areas of expertise, Tim has developed the ability to understand the strategic goals of a building owner as well as the engineering details associated with proper building system performance. One of Tim’s core beliefs is that teamwork and advocating the client’s best interest are fundamental to project success.

As a faculty member for the American Society of Healthcare Engineers, Tim has educated others on mechanical, electrical, and plumbing systems as well as construction and commissioning. In 2010, Tim was a contributing author for Commissioning Guidelines Handbook and a reviewer for the Commissioning Guidelines.

Tim is experienced with various types of clients including: government, institutional, healthcare, higher education, research, K-12 schools, commercial office buildings, industrial, and others. He has various types of project experience including distributed generation/combined heat and power, district heating/cooling systems and heat pump chillers, and campus lighting, energy, and control retrofits.

Current responsibilities include commissioning, retro-commissioning, energy asset management, energy asset monetization, utility negotiations, and other energy related services.

Stan Curtis, P.E.

Electrical Engineer

Stan earned a B.S. in Electrical Engineering from the University of Arkansas in Fayetteville and has been in the electrical engineering field since 1987.  He has a wealth of experience in educational, institutional, commercial, industrial, medical, hospitality, retail and governmental sectors. Initially, he worked in the retail sector providing electrical design and construction administration services all across the United States. The construction of malls and strip centers provided exposure with the major building codes and energy codes.

Previously, he spent time in Dallas working on such projects as the renovation of the Cotton Bowl for the 1994 World Cup Soccer event. This project along with the Dallas Farmers Market introduced Mr. Curtis to the governmental sector of the business. Further expertise was developed as an electrical facilities engineer for all campuses of the Superconductor Super Collider project in Waxahachie, Texas until its funding demise in late 1993.

Stan has provided electrical power, lighting, fire alarm, security, telemedia, audio / visual and emergency critical and non-critical system designs. Additionally, has been responsible for managing and directing entire electrical departments including personnel management and administrative functions.

Chad Oppenhuizen, RLA, LEED AP BD+C

Sustainability Consultant/Project Manager

Chad holds a Bachelor of Landscape Architecture from Iowa State University, and is an Arkansas Registered Landscape Architect. Chad is a LEED Accredited Professional in Building Design and Construction.

Chad served as a Landscape Architect and Project Manager for MESA Landscape Architects. Here he worked on a wide range of project types including broad based master planning and constructed projects with a focus on recreational, zoological, and botanical projects for public and private clients.

Chad has multiple years of experience working on large multi-disciplinary projects where he was responsible for the coordination between architects, engineers, planners, designers, contractors, government agencies, and clients. As the point of contact for the daily management of multiple projects, Chad ensured each project met individual design benchmarks on time. As such, he was responsible for the creation and maintenance of cost estimates, schedules, and construction documents. Additionally, he directed submittals, change orders, RFIs, pay requests, and various other details required to successfully manage construction projects and maintain client satisfaction.

Kevin Perri, LEED AP Homes

Energy Services/Project Manager

After studying Mechanical Engineering at Valparaiso University, Kevin worked as an energy auditor for a national and state funded project to reduce carbon emissions. It was during this time Kevin wanted to expand his knowledge to a bigger projects and he did so by completing an internship with Viridian.

With his background and education of energy efficiency and building envelopes, Kevin has the experience and knowledge to ensure important details are addressed during the construction process to optimize energy performance.

Current responsibilities include sustainable building energy services, including fundamental and enhanced commissioning, functional performance testing, and building envelope testing.

Corey Keen, CPMP, E.I.T., LEED AP BD+C

NWA Regional Office/Project Manager

Corey holds a degree in Civil Engineering from the University of Arkansas and is an engineer in training in the state of Arkansas.  Through his experience he has expertise in construction project management, facilities and maintenance management, and contract management. He is a LEED Accredited Professional in Building Design and Construction, IECC Commercial Energy Inspector with ASHRAE 90.1-2012, and IECC Commercial Energy Plans Examiner with ASHRAE 90.1-2012, and a Commissioning Process Management Professional (CPMP).

Corey served in the United States Navy Civil Engineer Corps improving the built environment of military installations.  He has worked on a wide range of project types to meet recurring needs of the government, from large military construction projects, major renovations of military housing, to warf and pier repairs.  Through this opportunity, he has multiple years of experience as a project manager responsible for large multi-disciplinary projects from inception to closeout.  Corey also has a broad working knowledge of purchasing regulations and procedures in commercial and government.

Current professional memberships include U.S. Green Building Council Western Arkansas Chapter, Military Officers Association of America NW Arkansas Chapter, and American Society of Heating Refrigeration and Air Conditioning Engineers.

Current responsibilities include sustainable building energy services including fundamental and enhanced commissioning, functional performance testing and LEED sustainable construction consulting in the NWA Regional Office.

Sebastian Graba

Energy Services/Project Coordinator

In 2014, Sebastian will complete his degree in Business Administration at the University of Siegen, Germany. His background also gives him experience in the field of electrical engineering, which he studied for 8 semesters at the University of Stuttgart, Germany.

Sebastian recently moved to Little Rock from Germany. He completed an internship with Viridian and now serves as a Project Coordinator for Energy Services. Viridian is his first experience in the sustainability industry and his first job experience in the United States.

Current responsibilities include coordinating projects regarding commissioning activities and scheduling on-site meetings. In addition, he is the connection between LEED and Commissioning in the Viridian office and is also a point of contact for clients.

Sherry Caldwell, LEED Green Associate

Sustainability Consulting/Project Manager

Sherry earned a Bachelor of Business Administration in 2008 from Henderson State University in Arkadelphia, AR. After completing her degree, Sherry traveled to Brisbane, Australia where she attended the University of Queensland and earned a Master of Business Administration with an emphasis in International Business and Sustainability. Sherry is a LEED Green Associate and a member of the U.S. Green Building Council Arkansas Chapter Emerging Professionals.

During her time abroad, Sherry worked on a wide range of projects including biofuel production for the Fritzroy Basin Association, carbon trading, and island conservation. Sherry has multiple years of experience working with international teams from all over the world. Her cross-cultural experience has eased her ability to adapt to cultural differences and adjust her style of communication, interaction, and teaching to the needs and conversational requirements of various clients. Additionally, she has held many leadership roles in customer service, giving her the orient required to successfully manage construction projects and maintain client satisfaction.

Current responsibilities include providing sustainable design and construction assistance to owners, architects, engineers, and contractors to enhance their ability to budget, plan, design, and finance a facility that respects occupant needs, financial  responsibilities, and the environment. Sherry is primarily responsible for LEED for New Construction and LEED Volume projects.

Sue Macomber, LEED AP, E.M.I.T.

Sustainability Consulting/Senior Project Manager

Sue holds a B.S. in Civil Engineering from the University of Illinois in Chicago. She is a LEED Accredited Professional and an Energy Manager in Training (E.M.I.T).

Prior to joining Viridian as a Senior Project Manager, Sue served as the Regional Sustainability Program Manager and Assistant Energy Engineer at the General Services Administration. She worked as a team lead or member on a variety of programs including both capital and small construction projects, Energy Savings Performance Contracts (ESPCs) and a Federal wide Fellowship program for Sustainability in Procurement. In her various roles, she also developed and led regional efforts to reduce resource use including energy, water and waste reductions.

Additionally, Sue has over 12 years of experience as a Construction Project Manager and Estimator for a variety of multi-disciplinary projects including residential, healthcare, corporate, aviation and wineries. Sue was responsible for the coordination between architects, engineers, planners, designers, contractors, and clients. As the point of contact for the daily management of multiple projects, she ensured each project met individual design benchmarks on time. As such, she was responsible for the creation and maintenance of cost estimates, schedules, and construction documents.

Current responsibilities include providing sustainable operations and maintenance assistance to owners, to enhance their ability to budget, plan, and finance a facility that respects occupant needs, financial responsibilities, and the environment. Sue is primarily responsible for LEED for Existing Buildings projects and Corporate Social Responsibility.

Angela Wisely, LEED AP BD+C

NWA Regional Office/Project Manager

Angela holds a B.A. in History from the University of Southern Mississippi and a Master of Public Administration with a concentration in International Sustainable Development from Indiana University’s School of Public and Environmental Affairs. Angela is a LEED Accredited Professional in Building Design and Construction and has over six years of experience in the fields of environmental policy advocacy, education, emergency response, data quality assurance and quality control services, and project management.

Angela Chairs the U.S. Green Building Council – Arkansas Chapter’s Sustainable Arkansas sub-committee and serves on the state board. She also serves as facilitator for the Fayetteville Forward Green Economy Group and the City of Fayetteville’s Environmental Action Committee.

Current responsibilities include providing sustainable design and construction assistance to owners, architects, engineers, and contractors in the NWA Regional Office and help enhance their ability to budget, plan, design, and finance a facility that respects occupant needs, financial responsibilities, and the environment.

Parker Higgs, CEM, LEED Green Associate

Energy Services/Project Manager

Parker attended the University of Arkansas in Fayetteville where he earned a degree in Mechanical Engineering with Minors in both Math and German. Parker is a Certified Energy Manager, LEED Green Associate and a member of the Arkansas Chapter of the U.S. Green Building Council.

Prior to joining Viridian as a Project Manager, Parker served as a Project Engineer and Operations Supervisor at a manufacturing plant in Fayetteville, Arkansas. He began his career there working on a wide range of capital engineering projects including facility construction, refrigeration and equipment design. Later on, he added the responsibility of directly managing 3 production lines consisting of 35 employees.

Current responsibilities include supporting the Viridian team on completing building commissioning tasks, energy modeling, and LEED documentation requirements.

Jeff English

Building Asset Evaluations/Estimator

Before joining Viridian, Jeff served as an Assistant Project Manager for Alessi Keyes Construction, a Little Rock based construction firm. During his time there, he worked on a wide range of project types including medical, general re-model, and retail projects.

Jeff has several years of experience working on construction projects where he was responsible for the coordination between professionals from multiple aspects of the industry. As a Construction Inspector for the Little Rock Air Force Base and in his later position at Alessi Keyes, Jeff was responsible for maintaining quality control of several different projects at once. He coordinated submittals and processed pay requests and is experienced in writing and executing construction contracts.

Jeff  is an active  member of the U.S. Green Building Council Arkansas Chapter Emerging Professionals and a graduate of the University of Arkansas at Little Rock Construction Management program.

Current responsibilities include building asset evaluations, cost segregation studies, property condition assessment reports, and ADA and Life Safety compliance surveys of existing facilities systems and components.

Stephen Heard

NWA Regional Office/Energy Engineer

Stephen graduated from the University of Arkansas at Fayetteville in 2007 and spent the first four years of his career providing analysis and expertise as a mechanical and refrigeration design consultant. During this time, he designed and commissioned large scale HVAC and refrigeration systems throughout the United States. Stephen is a licensed Professional Engineer in the state of Arkansas.

In 2012, he joined a national mechanical contracting firm as an Energy Engineer. In this role, Stephen provided project development and commissioning services to national and local clients from his home city of Fayetteville, Arkansas. Stephen’s professional experience includes the design and commissioning of HVAC and refrigeration systems, project development, energy engineering analysis, project management, and application development.

Current responsibilities include supporting the Viridian team on completing building commissioning tasks, energy modeling, and LEED documentation requirements.