About Us

Dr. David G. Loomis, President

Dr. David G. Loomis is Professor Emeritus of Economics at Illinois State University and Co-Founder of the Center for Renewable Energy. Dr. Loomis has over 20 years of experience in energy analysis and has performed economic development analyses at the county, region, state, and national levels for many different energy projects and associated supply chains.

Dr. Loomis has testified before Public Utility Commissions or local county boards in Colorado, Illinois, Iowa, Kansas, Kentucky, Louisiana, Michigan, Missouri, New Mexico, Ohio, Pennsylvania, West Viriginia, and Wisconsin. As a widely recognized expert, he has appeared on CNN and been quoted in The Wall Street Journal, Forbes Magazine, The Associated Press, and the Chicago Tribune. In addition to publishing 40 peer-reviewed articles in leading energy policy and economics journals, he has raised and managed over $8 million in grants and contracts from government, corporate, and foundation sources. Dr. Loomis received his Ph.D. in economics from Temple University in 1995.

Click here to download Dr. Loomis’ full CV.

BRyan Loomis

Vice President

Bryan Loomis has conducted economic impact, property tax, and land use analyses at Strategic Economic Research since 2019. He has performed or overseen more than 200 wind and solar analyses and provided expert testimony for permitting hearings across several states, including Colorado, Kansas, Indiana, Illinois, and Iowa. Bryan enhanced SER’s property tax methodology by incorporating state tax laws, depreciation, and millage rates into the firm’s analysis tools. Before joining SER, he managed a consulting agency supporting over 30 technology startups, and he earned his MBA from Belmont University in 2016.

Ethan Loomis

Vice President of Marketing and Sales

Ethan Loomis manages Strategic Economic Research’s sales, proposals, contracting process and brand design. He is the point of contact for new projects, contracting, and report updates/revisions. Ethan has a Bachelor of Arts degree in Journalism from Illinois State University and has 10 years of experience in visual communications and marketing. Video storytelling has always been a passion for Ethan, and he is excited to bring that skill set to the renewable energy industry.

Christopher Thankan

Director of Economic Analysis

Christopher Thankan directs the production of Strategic Economic Research’s economic impact studies, including sourcing, analyzing, and graphing government data. He also performs economic and property tax analysis for wind, solar, and transmission projects. Christopher has a Bachelor of Science degree in Sustainable & Renewable Energy, and he minored in Economics.

Deborah Dingess

Director of Property Tax Research

Deborah Dingess, MST, is Director of Property Tax Research at Strategic Economic Research, leading property tax research across all 50 states. She specializes in analyzing tax codes, case law, and incentive structures to support renewable energy projects. Her work includes classifying project costs, determining depreciation methods, evaluating exemptions and PILOT opportunities, and ensuring accuracy in property tax models used in SER’s economic impact reports.

Timothy roberts

Manager of Data Analysis, Property Tax Team Lead

Timothy Roberts leads the Property Tax Team at Strategic Economic Research, specializing in renewable energy property tax analyses. Since 2022, he has completed over 250 analyses, and he earned an IPT (Institute for Professionals In Taxation) certificate in 2025. He has developed streamlined procedures for the team, contributed to economic impact analyses, and built tools that improve data efficiency. In 2023, his calculation of SER’s net carbon offset helped the firm earn a renewable energy award from Google.

sawyer Keithley

Manager of Research and Analysis, Front Matter Team Lead

Sawyer leads the team responsible for collecting, analyzing, and visualizing state and county-level information to provide background for Strategic Economic Research’s economic impact reports and land use analyses. Additionally, they perform economic and property tax analyses. Sawyer Keithley has a Master of Science degree in Applied Economics with a Sequence in Electricity, Natural Gas, and Telecommunications.