BIRAenergy team consists of world's leading experts on energy efficiency and renewable energy products and solutions, working on cutting edge clean energy solutions, and helping commercialize new and emerging clean energy technologies for over 25 years.

BIRAenergy has worked with and partnered with some of the world's leading organizations, helping shape and transform the clean energy landscape. Earlier, BIRAenergy led the BIRA team - a consortium of over 80 industry partners for the U.S. Department of Energy's Building America program. BIRAenergy's partners (including clients) have included - Fortune 100 corporations, industry leaders, United States national research laboratories, utilities, world's leading universities and research organizations, and local, state and national government agencies in the United States.


Dr. Rob Hammon has over 20 years experience in the area of clean energy RD&D, energy-efficient and sustainable design, policy development, and new and emerging technologies evaluation and commercialization. Earlier, Dr. Hammon led ConSol’s consulting division - developing clean energy solutions for residential new construction and retrofits -, research and demonstration projects for governments, utilities and industry at the local, state, and federal levels. ConSol's consulting division is now part of BIRAenergy. Work under Dr. Hammon’s direction encompassed new and existing building research including: energy-savings and renewable-energy assessments; energy-efficient building design; market analyses; carbon and other greenhouse gas assessments; energy-efficiency program design and implementation; interpretation of regulations; and training programs.


In 2005, Dr. Hammon was named to California Governor Arnold Schwarzenegger’s Energy Efficiency Subcommittee Green Action Team. In early 2006 he was tapped to co-chair the New Solar Homes Partnership Advisory Committee to advise the California Energy Commission staff and commissioners how to create the most effective program to encourage solar technology in new home construction. He pioneered quality construction and “Zero Energy Homes” as market drivers for energy efficiency, especially via voluntary programs. He developed builder protocols for energy-efficient quality construction as well as for installation and commissioning of residential photo-voltaic systems. In 2002, Dr. Hammon assembled a national research team and successfully secured funding from the U.S. Department of Energy (DOE) for innovative research projects that in 2003 began to build and test marketable prototype homes and communities that are 40-100 percent more energy efficient than typical new homes. Dr. Hammon has an extensive background working and partnering with various government entities, including the U.S. Department of Energy, the U.S. Office of Technology, and U.S. Department of Defense, and state and local governments. Dr. Hammon has earlier worked at Stanford Research Institute (SRI).

Dr. Hammon earned his Bachelor’s, Master’s, and Ph.D. from the University of California. He has received numerous awards and honors throughout his career, including Associate of the Year award from the Southern Nevada Home Builders Association, U.S. EPA Ally of the Year award, and Pacific Gas & Electric Company Energy Efficiency Services Excellence award. He holds several U.S. patents.






Ian Hammon-Hogan graduated with a degree in Biochemistry from Humboldt State University in 2009-10, specializing in computational modeling and molecular design. He is currently part of the BIRAenergy team as a Research Manager. He provides technical support to builders, developers, utilities, manufacturers, and local, state, and federal governments to assist in moving the residential markets, both new and existing, to near- or zero net-energy buildings.


Mr. Hammon-Hogan provides combined technical and market assistance, including large multi-million dollar projects.  He is working to transform the market, paving the way to dramatic and long-lasting changes. Hammon-Hogan has 7 years of experience in a professional research settings, the first half of which focused on a new industry, and as an early entrant, using scientific methods and market research to establish market trends, and business opportunities for a Quality Control laboratory, he helped found and run.  He spearheaded the development of new, faster and less expensive methods of performing industry-standard techniques, efficiently and cost-effectively.  As part of developing a market for his QC laboratory, Hammon-Hogan developed political relationships, successfully argued for legislation, and being involved in the inception and completion of market-transforming projects that directly benefited his companies.


His recent work has involved designing and high-accuracy modeling of buildings that are very energy-efficient and that have sufficient on-site, renewable energy generation capacity to, on a net-annual basis, produce as much energy as they consume.  This involves developing projects that involve detailed computer models of buildings to analyze their performance, and simulating them with different options to dramatically reduce their Life Cycle Cost and increase their Efficiency, while maintaining cost-effectiveness for the builder and/or occupant.  For this approach to be truly useful and thoroughly vetted, the building simulation tool must be calibrated.  This requires modeling existing buildings and tuning the inputs to achieve simulation results that are within some predetermined specification, for BIRAenergy this tolerance is 5% or less.


George Burmeister



George Burmeister is the President of the Colorado Energy Group. The group is a customer-focused leading energy advisor to governments, homebuilders, developers, utilities and energy efficiency and renewable energy technology providers and suppliers.

Mr. Burmeister has previously served as a senior political appointee for U.S. President Bill Clinton between 1993 and 1996, and later serving as Communications Director of the Congressionally- created State Energy Advisory Board (STEAB) for the Bush Administration between 2002 and 2004. STEAB provides energy budget guidance to the Administration and Congress.

In 2005, Mr. Burmeister wrote and helped pass his 100th major energy efficiency and/or renewable energy initiative at the local or state government level since 1988—a green building resolution for the City of Commerce, California.

After his political appointment in the Clinton Administration and prior to leaving Washington, Mr. Burmeister served as Policy Director of the National Association of State Energy Officials (NASEO) and Executive Director of Americans for Clean Energy (aka "the Solar Lobby") in Washington before returning home to Colorado in 1999. He helped manage the Energy Program at the National Conference of State Legislatures (NCSL) for three years before that, worked for U.S. Senator Timothy E. Wirth (D, CO), was State Political Director for the Rocky Mountain Chapter of the Sierra Club, and he worked in private sector sales for a West German firm for seven years before that, working out of Breckenridge, Colorado. He has a BA in Environmental Studies with a Minor in Business Administration from Trinity University in San Antonio, Texas (1981), and a Masters in Public Administration (MPA) from the University of Colorado (1989).



Craig Christensen



Craig Christensen is Principal Engineer and Staff Scientist at the National Renewable Energy Laboratory (NREL). At NREL, Craig has led various residential energy efficiency research initiatives and programs and new technologies research, including the development of the BEopt building energy simulation and analysis tool.

Craig joined NREL in 1979. He currently leads the Energy Analysis efforts for the Building America Program and supports Solar Buildings research efforts at NREL. A major project is the development of a building energy optimization methodology for use with various existing simulation programs. The resulting software allows automatic optimization of a wide range of energy-related building features and renewable energy systems. Mr. Christensen has also led many projects at NREL related to residential and commercial buildings, active solar systems, passive solar design, energy conservation, and computer modeling of buildings, systems, and components. He originated the concept of the unglazed transpired solar collector at NREL and participated in research which led to an R&D100 Award and Popular Science "Best of What's New" award in 1994.

Prior to joining NREL, Mr. Christensen worked as a solar consultant, individually and in a small mechanical engineering firm. He also worked for 3 years for the National Oceanic and Atmospheric Administration as a scientist and officer on oceanographic ships.