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In 2016 and 2017, five companies came together to leverage strengths, relationships, and data to help reduce energy use, increase alternative transportation, and bring new ideas to life.

Frontier Energy Community

Our Mission

Frontier Energy provides exceptional services, programs, and tools that encourage the intelligent use of energy to preserve resources for current and future generations.

About Frontier Energy

Our talented team has a passion for environmental stewardship. Combined with decades of knowledge and experience, we deliver exceptional services to delighted clients.


Larry Brand

Jay Zarnikau

Jay Zarnikau

Senior Vice President

David Zabrowski

Vice President

David Springer

Vice President

Richard Myhre

Vice President

Jeremy Springer

Chief Financial Officer
Jean O’Brien Krausse

Jean O’Brien Krausse

Vice President

Adam Wallburger

Vice President

Hugh Henderson

Vice President
Amy Martin

Amy Martin

Vice President

Our Team


Interested in joining the Frontier Energy team?
Learn about our company culture, offices, and open positions.

Community involvement

We exemplify our core values of Team, Relationships, Integrity, and Planet by giving back in the communities where we work. Our involvement includes:

  • Volunteering with the Union Rescue Mission
  • Adopting families for the holidays
  • Participating in the American Lung Association Fight for Air Climb
  • Donating commercial food service equipment to schools and non-profit organizations
  • Providing graphic design and web programming talents to local non-profits
  • Served as judges for the U.S. Department of Energy Solar Decathlon
  • Staff serve on boards of directors for a variety of organizations including environmental, fine arts, music, education, health, and philanthropic causes


Foodservice Consultants Society International “Green Award” (2012)

Foodservice Consultants Society International
“Green Award” (2012)

West Sacramento Chamber of Commerce “Business Person of the Year” (2014)

West Sacramento Chamber of Commerce
“Business Person of the Year” (2014)

U.S. DOE “Outstanding Achievement” (2015)

U.S. DOE “Outstanding Achievement” (2015)

PRSA Sacramento “Crystal Merit” (2013)

PRSA Sacramento “Crystal Merit” (2013)

U.S. DOE “Top Innovation” (2014)

U.S. DOE “Top Innovation” (2014)


American Council for an Energy-Efficient Economy
Association of Energy Services Professionals
Build It Green
California Association of Building Energy Consultants
California Chamber of Commerce
California Efficiency + Demand Management Council
E3T Connect
Efficiency First
Emerging Technologies Coordinating Council
Midwest Energy Efficiency Alliance
North American Association of Food Equipment Manufacturers
National Restaurant Association
North State Building Industry Association
Northern California Solar Energy Association
US Green Building Council
Fuels Institute
Sustain OC
San Ramon Chamber of Commerce
West Sacramento Chamber of Commerce

Larry has served as a GTI R&D Director, Energy Delivery & Utilization and President of Davis Energy Group. He has over 30 years of experience in the energy industry, working extensively in building thermal performance, energy conservation in buildings, high-efficiency space conditioning systems, and codes and standards development. He has responsibility for planning, securing funding, managing, and performing on projects related to energy efficiency in space conditioning hardware and buildings.

Larry has recently worked with the Department of Energy/National Renewable Energy Laboratory – Building America program, conducting research into high efficiency equipment performance, energy efficiency measures and packages, whole home performance, and distribution systems. With California Energy Commission – Public Interest Energy Research (PIER) and Electric Program Investment Charge (EPIC) funding, he has led the radiant HVAC systems project, Measured Home Performance program, commercial foodservice energy savings, combined heat and power, Zero Net Energy, and residential IAQ and healthy homes projects.

A recognized industry expert, university professor, published researcher, and international speaker, Dr. Jay Zarnikau brings more than 30 years of experience in energy economics and policy. Jay’s work has often involved estimating costs and benefits, calculating avoided costs, and assessing other impacts on energy industry actors and stakeholders. These projects require extensive data collection and statistical analysis, along with careful documentation and reporting to transfer knowledge of the methodology and data sources.

Jay holds a Ph.D. degree in Economics from The University of Texas at Austin. He previously held various positions at the Public Utility Commission of Texas, including Director of Electric Utility Regulation. Jay teaches graduate courses in Applied Regression Analysis, Introduction to Empirical Methods, and Energy Policy as an Adjunct Professor in the departments of Economics, Statistics and Data Science, and the LBJ School of Public Affairs at The University of Texas.

David Zabrowski leads Frontier Energy’s Commercial Food Service division and is the manager of PG&E’s Food Service Technology Center (FSTC) Energy Efficiency Program. He directs the FSTC’s testing, education, and customer outreach activities; provides technical expertise and oversight for test method development and application; and provides guidance to PG&E management responsible for the FSTC program on the center’s growth and direction. During his 24-plus year tenure, David has overseen the development and maintenance of more than 40 test methods under the jurisdiction of the ASTM F26 Committee on Food Service Equipment, which forms the basis for government and utility programs that drive higher energy performance within the commercial food service industry.

In addition to managing the FSTC, David interacts with industry stakeholders to create new opportunities for energy utilization optimization within the food-service sector through utility and government sponsored programs and industry collaboratives. This effort has been a major catalyst for change in the industry, opening new markets for energy initiatives.

David holds a B.S in Electrical Engineering from the California Polytechnic State University.

David Springer manages Frontier Energy’s Building Research & Energy Consulting division, providing oversight of technical projects. David has worked on demand-side and renewables R&D projects, technology development and market transformation, mechanical design, commissioning, performance monitoring, energy standards, and emerging technology training. Since the mid-1980s, he has participated in projects to update California Title 20 and Title 24 standards. In recent years, he has become increasingly involved with zero energy projects, including U.S. DOE’s Zero Energy Homes program.

Other significant management experience includes the ground-breaking Advanced Customer Technology Test for Maximum Energy Efficiency (PG&E’s Advanced Customer Technology Test for Maximum Energy Efficiency – ACT2), the California GeoExchange Project, the PIER-funded Alternatives to Compressor Cooling project, and the Alliance for Residential Building Innovation (a U.S. DOE Building America program team.

David has authored eighteen papers and articles about energy subjects and holds six patents. He is an active member of ASHRAE, serving as a voting member of TC 6.5 (Radiant Heating and Cooling) technical committee. He is also a member of the UC Davis Mechanical and Aerospace Engineering Board of Advisors and of the California Technical Forum, which provides technical guidance on California’s integrated demand side management portfolio.

David earned his B.S. from the University of California, Davis in Biological Science.

Rich Myhre leads Frontier Energy’s Transportation and Power division. His work ranges from strategic planning, budgeting, and team building for public-private research collaboratives to multi-disciplinary research results synthesis, stakeholder/policymaker communications, and public outreach. Clients appreciate Rich’s insights into their programs and his ability to communicate their work to diverse audiences. He blends a reporter’s inquisitiveness and writing skills with an engineer’s technical understanding and an investor’s nose for business opportunities and risk management. Rich also leads new company initiatives in grid-connected energy storage, and he oversees work in zero-emission vehicles and infrastructure.

Rich has developed technology roadmaps to guide R&D conducted by the Electric Power Research Institute, the California Energy Commission, and others. He has co-authored numerous documents, from business plans and congressional testimony to journal articles, white papers, and technical reports. He has planned and facilitated leadership retreats, technical workshops, and community meetings.

Rich earned an M.A. in Energy and Resources from the University of California at Berkeley and a B.S in Mechanical Engineering from the University of Wisconsin. He is a registered professional engineer in California.

Jeremy Springer oversees the company’s overall financial position, compliance, and project budgets. He also performs systems development and project management activities. Prior to working with Frontier Energy, Jeremy spent two years with Moss Adams LLC, where he performed audit and assurance services for mid-sized government contractors, distributors, and software service providers. He led the development of several software applications which allowed clients and internal users to streamline processes and improve overall operations.

Jeremy graduated California State University, Sacramento with a B.S. in Business Administration, Accountancy.

Jean O’Brien Krausse is an industry expert in energy efficiency, with more than 25 years’ experience in project leadership, program design, and implementation. She manages Frontier’s EnerTrek® software division and oversees client relations and quality assurance. She also supports programs implemented by Frontier Energy’s Austin office. Jean is a skilled communicator and trusted executive manager of Frontier client accounts.

Jean has contributed extensively to management of large-scale software development projects, leading the team that develops and maintains Frontier’s comprehensive web-based tools for utility efficiency program management. She led the development of Frontier’s flagship software solution, Program Portfolio Portal (P3®), and provides ongoing support for the P3 client user group. She also plays an essential role in business development and exploring new markets for the P3 product line.

Since 2009, Jean has served as Project Manager for Frontier’s enterprise software solutions for Austin Energy (AE), for software development projects totaling nearly $1M to date. Under her leadership, Frontier developed a robust, configurable, and user-friendly system to bring AE’s award-winning Green Building (GB) program online. Frontier’s AE GB solution has been well received by the utility, the local building industry, and the public. The engagement and collaboration by Jean and the EnerTrek team with AE GB stakeholders has been critical to this multi-year project’s success, from development to production and ongoing enhancements.

In addition to her work with the software division, Jean supports utility client energy efficiency programs implemented by Frontier’s Austin office. She works closely with program managers and clients to ensure adequate resources, and coordinates hiring and deployment of back office and onsite field inspection personnel. She also provides support to clients for development of future program offerings.

Adam Walburger, a Vice President of Frontier Energy’s Building Research and Energy Consulting Division, has over 20 years of experience in building energy audits, industrial energy efficiency, remote site monitoring, data analysis, building systems modeling, system integration, and computer program development.

Commercial, industrial, health care, and institutional clients benefit from Adam’s deep sector knowledge of power and steam systems, cogeneration, and manufacturing energy efficiency. For example, Adam has performed industrial energy efficiency evaluations for systems and facilities such as paper mills, biomass boilers, industrial process boiler heat recovery, water treatment and wastewater facilities, dairy and food processing production facilities, medical component production facilities, industrial compressed air systems, and injection mold/blow molding facilities. His evaluations are tailored to each client’s process needs, with a goal of meeting aggressive ROI requirements.

Adam is a LEED AP, ASHRAE Associate Member, and holds a B.S. in Mechanical Engineering from Syracuse University in New York.

Hugh Henderson, a Vice President of Frontier Energy’s Building Research and Energy Consulting Division, was a founding principal of CDH Energy Corp in 1994. CDH merged into Frontier Energy in 2018, bringing high-caliber monitoring and evaluation services for energy technologies for buildings, industrial processes, distributed generation, fuel cells, and renewables.

Hugh has over 30 years of experience evaluating a wide range of energy efficient technologies through on-site and field monitoring, and energy simulations for residential, commercial, and industrial applications. His areas of expertise include innovative cooling systems, combined heat and power, industrial processes, and heat recovery. He has been instrumental in providing clients with internet-based data display options and presentation techniques, enabling user access to historic and real-time field monitored data from buildings and energy systems.

Hugh is a licensed professional engineer in Florida and New York, an active member of several ASHRAE Committees at the Society Level, and serves as a board member at the Syracuse Center of Excellence for Environmental and Energy Systems. He holds an M.S. in Agricultural/Mechanical Engineering from Cornell University.

Amy Martin is a utility regulatory policy professional with a complex understanding of energy efficiency program EM&V and cost-effectiveness. She brings a decade of experience calculating energy efficiency program and portfolio savings impacts and assessing the costs and benefits of various DSM measures. At Frontier Energy Amy provides leadership and oversight for consulting and engineering staff for projects including multi-year EM&V projects, ongoing deemed savings development, and maintenance of the Texas TRM. She provides oversight for the consultants and engineers performing Frontier Energy’s three-year portfolio evaluation for CPS Energy.

Amy has built a reputation for diligence and integrity through her extensive regulatory consulting work, preparing annual energy efficiency plans and reports and providing expert witness testimony in support of utility DSM filings. She works closely with regulatory commissions, statewide evaluators, utility management and legal counsel, and other stakeholders. She presents at utility commission hearings and workshops and serves as stakeholder consensus-builder for statewide cost-saving initiatives. Amy holds a Master’s degree in Public Affairs from the LBJ School of Public Affairs and earned a Bachelor of Science in Biology with emphasis in Ecology/Evolution/Behavior, both from The University of Texas at Austin.