Key Personnel

Dr. Stephen Grover, President of Evergreen Economics, is a Ph.D. economist with almost 20 years of experience researching energy issues and evaluating energy efficiency programs. Dr. Grover’s expertise is in discrete choice modeling and estimating models of consumer behavior using revealed and stated preference techniques. Dr. Grover has designed and managed many of Evergreen’s major impact and process evaluations covering both energy efficiency and demand response programs, including for the California Investor-Owned Utilities, the Northwest Energy Efficiency Alliance, Energy Trust of Oregon, the Bonneville Power Administration, and Seattle City Light. Among other projects, Dr. Grover is currently managing an AMI Billing Analysis research study for Southern California Edison to determine the potential effects of using 15-minute AMI consumption data in a fixed effects billing model to estimate HVAC potential impacts; he also managed the 2009 and 2011 Energy Savings Assistance program impact evaluations for the California Public Utilities Commission. Dr. Grover was also the lead evaluator as part of the Ohio PUC’s Independent Evaluator team and assisted with the management of the comprehensive Hawaii statewide energy program evaluations.

In addition to his work at Evergreen Economics, Dr. Grover has worked as an adjunct professor at Portland State University where he has taught courses in econometric forecasting and energy economics. In 2006, he served on the Oregon Governor’s Carbon Allocation Task Force, which developed a plan for a cap-and-trade carbon allocation system to reduce greenhouse gas emissions in Oregon. In 2010, Dr. Grover was also chosen as one of twelve people to serve on the Oregon Governor’s Energy Planning Council.

Dr. Grover holds a Ph.D. and M.S. in Economics from the University of Wisconsin-Madison and a B.A. in Economics from Pacific Lutheran University.
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Tami Rasmussen, Vice President at Evergreen Economics, has almost 20 years of experience managing energy efficiency program evaluations for the residential and commercial sectors in the Northwest, California, and nationwide, including process and impact evaluation and market assessment. Her range of expertise includes designing and implementing large-scale data collection projects, developing efficacious sample designs, conducting comprehensive program portfolio evaluations, directing market transformation evaluation and planning efforts, designing and conducting wide-ranging impact evaluations, conducting large-scale on-site studies, leading complicated and politically charged process evaluations, and facilitating stakeholder meetings. Ms. Rasmussen recently managed a five-year portfolio evaluation of the state of Hawaii’s energy efficiency programs for the Hawaii PUC. She has managed many large-scale evaluation and market research studies, typically including many subcontractors, involving utilities, regulatory agencies, and varied stakeholder groups. She is known for her superior project management skills and responsiveness to clients.

Ms. Rasmussen holds an M.A. in Economics with a concentration in Econometrics, University of California, Santa Barbara. She also holds a B.A. in Economics with a concentration in Environmental and Natural Resource Economics, Phi Beta Kappa, College Honors and Honors in the Major, University of California, Santa Cruz.
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Dr. Ted Helvoigt, Vice President, has nearly 20 years of professional experience in economic and statistical analysis and modeling. He has applied these methods in a wide range of projects dealing with evaluation of energy efficiency programs, natural resource economics and policy, benefit-cost analysis, and regional economic and demographic forecasting. He has extensive experience conducting impact evaluations of energy efficiency programs including low-income programs in California, Idaho, Nevada, and Ohio. Dr. Helvoigt has delivered technical findings to a variety of governing bodies, including the Alaska Senate and House Finance Committees, the Puget Sound Regional Transit Investment District (RTID), the Seattle Monorail Commission, The Oregon Board of Forestry, and the Columbia River Gorge Commission.

Dr. Helvoigt holds a Ph.D. in Operations Research and Management Science from Oregon State University, an M.S. in Resource Economics from the University of Montana, and a B.A. in Business Administration from Ashland University (Ohio).
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Christina Torok, Principal Consultant, brings over 16 years of experience conducting a breadth of evaluation research. Ms. Torok has particular strength in designing studies to assess multi-dimensional programs, such as audits and information programs and integrated demand side management. She gained substantial expertise over a wide variety of nonresidential programs through managing a suite of studies funded by the California 2010-2012 nonresidential process evaluation area, including studies of building benchmarking initiatives, on-bill finance programs, and an assessment study that was co-funded by the IOUs and CPUC, and covered the majority of California’s 200+ nonresidential programs. Ms. Torok is also an experienced impact evaluator across a range of program types, including solar PV and hot water, low-income new construction, gas measures and demand response programs.

Ms. Torok has a M.A. in Economics from the University of Michigan and a B.A. in Economics from the University of California-Santa Cruz.
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Ingo Bensch, Principal Consultant, conducts market, behavioral, and evaluation research to inform energy- related programs and policy. His work combines sound research principles with pragmatic approaches to provide useful empirical insights for professionals and policymakers seeking to promote energy-efficient choices by households and businesses. Mr. Bensch’s areas of particular expertise include behavioral research, survey design and implementation, and the evaluation of information-based programs and events. Mr. Bensch’s recent research repertoire includes a field study of residential high users in Minnesota, a needs assessment of low income households in California, process evaluations of multifamily efficiency programs in California and a weatherization program in Missouri, an impact evaluation of a workplace behavioral program, and a potential study for a Chicago utility. Furthermore, he developed and led a multi-year tracking study of attitudes and practices related to energy efficiency, and he has advised Wisconsin utilities on customer satisfaction and needs in the small and medium-sized business sector. Prior to joining Evergreen, Mr. Bensch conducted similar research at the Energy Center of Wisconsin (now Seventhwave) for 16 years.

Mr. Bensch has a Master of Public Affairs in Environmental and Natural Resources Management from Indiana University and a Bachelor of Arts and Sciences in Economics and Science-Technology Studies from Stanford University.
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John Boroski, Senior Consultant, has nine years of experience conducting energy efficiency program impact and process evaluations in the Pacific Northwest, California and nationwide. As a project manager at Evergreen Economics, Mr. Boroski specializes in the evaluation of energy programs and renewable energy project impacts. His recent work has included process evaluations, impact evaluations, survey design and data analysis, in-depth interviews, and developing logic models and program theory in support of other evaluation activities. Mr. Boroski helped manage the recent statewide assessment of Local Government Partnerships and managed the statewide process evaluation of the California Investor-Owned Utilities’ (IOUs’) Water Pilot Programs for Southern California Edison. Mr. Boroski has also led specific program studies for multiple evaluations of Sempra’s residential and non-residential portfolios. In addition to managing the Northwest Energy Efficiency Alliance’s (NEEA’s) previous and current Ductless Heat Pumps evaluation for Evergreen Economics, he also managed the last four Northwest ENERGY STAR Homes process evaluations. He also managed and completed an organizational assessment of the Northeast Energy Efficiency Partnerships’ (NEEP’s) Technical EM&V Forum.

Mr. Boroski has a Master of Urban and Regional Planning from Portland State University and a B.A. in Economics from the University of Notre Dame.
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Kevin Price, Senior Consultant, has experience conducting energy efficiency program impact evaluations, process evaluations and market assessments, and is skilled in project management, survey development, data analysis, market assessments, and report writing. Mr. Price is currently managing an evaluation of a Northwest Energy Efficiency Alliance (NEEA) heat pump water heater market transformation initiative involving surveys of homeowners and water heater installers, and interviews with market actors and Northwest utility partners. Mr. Price recently managed an emerging technologies technology assessment for Pacific Gas and Electric (PG&E) that focused on behavioral changes resulting from installing and using wirelessly controlled LED replacement lamps in residential applications. Other recent work has included developing survey materials and managing data collection efforts for residential impact evaluations for the California Public Utilities Commission, for residential and nonresidential process evaluations for the California Investor-Owned Utilities (IOUs), and for cost-effectiveness assessments for NEEA’s residential lighting and ductless heat pump programs.

Kevin Price holds a B.A. in Environmental Studies and Geography from UCSB.
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Jenny Fraser, Consultant, is experienced in project management and conducting analysis for energy efficiency program impact and process evaluations in California, Hawaii, and the Pacific Northwest. Currently, Ms. Fraser is the assistant project manager of the California Energy Efficiency Pilot Programs process evaluations covering six separate programs. She previously managed the Performance Tested Comfort System (PCTS) impact evaluation for the Bonneville Power Administration and served as the assistant project manager for the previous impact evaluation of California’s Energy Savings Assistance (low income) Program. Her most recent work has been assisting in the management of an audit of the Vermont Energy Efficiency Utilities for the 2011-2013 program cycle. Ms. Fraser also served as assistant project manager and lead analyst for Evergreen’s Hawaii PUC comprehensive annual energy efficiency program impact, process, and market evaluation. Her other work has included managing survey data, developing survey samples, and analyzing participant data for energy efficiency programs. She has a variety of experience with statistical analysis, conjoint analysis, econometrics, process evaluations, survey design and data analysis, and developing logic models in support of other evaluation activities.

Ms. Fraser holds a B.S. in Economics and a B.S. in Mathematics from the University of Oregon and an M.S. in Economics from the University of California-Santa Barbara.
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Martha Thompson, Consultant, has experience conducting energy efficiency program evaluations and market research for a variety of clients across the country. Currently, Ms. Thompson is analyzing the ways in which the California IOUs integrate emerging technologies into their programs and recently finished analysis of in-depth interviews she performed with multiple lighting market actors in California. She has managed a large-scale baseline study for the Hawaii Public Utilities Commission including over 800 on-site surveys with the state’s residential and nonresidential customers. Ms. Thompson previously worked on the NEEA Heat Pump Water Heater Model Validation, Market Progress Assessment, and Process Evaluation. Ms. Thompson has also managed participant and nonparticipant telephone surveys and conducted numerous in-depth interviews for impact and process evaluations in the Pacific Northwest, California, and Massachusetts.

Ms. Thompson has a B.A. in Economics from UCLA.
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Matthew Koson, Senior Analyst, has experience working on a wide variety of energy efficiency program impact and process evaluations in Ohio, Michigan, Missouri, California, Canada, Mississippi, Louisiana, Hawaii, Nevada, Vermont, and the Pacific Northwest. Recent projects include using billing regression models to estimate the energy impacts associated with efficiency measures installed through the Low Income Weatherization Program in Missouri, and calculating the cost-effectiveness of energy efficiency programs in Vermont and Missouri. Other project experience includes analysis of participant tracking systems to verify savings claims, creating program logic models, analyzing phone survey results, and assisting with the development of an energy use database by manufacturers in the Pacific Northwest.

Mr. Koson holds an M.A., Economics, University of California, Santa Barbara, a B.A., Economics, University of Illinois at Urbana-Champaign, and a B.A., Political Science, University of Illinois at Urbana-Champaign.
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John Cornwell, Senior Analyst, has experience working on a range of energy efficiency program impact and process evaluations in the Pacific Northwest, California, Ohio, and Hawaii. Mr. Cornwell‘s recent work includes acting as lead analyst for a low income needs assessment evaluating low-income programs in California, conducting billing regression analysis for an impact evaluation of the Energy Savings Assistance program in California, and assisting with a process evaluation of the Northwest Energy Efficiency Alliance Hospital and Healthcare Initiative. Other project experience includes developing survey materials and interview guides, conducting in-depth interviews with stakeholders, statistical analysis of energy savings, econometric modeling, sample design, complex data collection, and independent review of energy efficient program evaluations. Mr. Cornwell also brings strong project management and analysis skills from a variety of work experience including seven years of experience as a Senior Operations Coordinator with the world’s largest medical assistance company International SOS and four years of experience as Operations Manager with a boutique fund manager.

Mr. Cornwell holds a B.A. in Economics with a Minor in Politics (cum laude) from Willamette University in Salem, OR.
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