Our Experts


Andrew J. Van Horn, Ph.D.

Principal and Managing Director

Andy Van Horn provides expertise and insight into energy and environmental markets, regulations, technologies and policies. For over thirty-five years he has advised industry, government agencies and research institutes by providing rigorous analysis, management counsel, expert testimony and litigation support. Clients include developers of new technologies and participants in electricity, natural gas, coal and emissions markets.

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Michael Katz, M.S., P.E.

Senior Consultant

Michael Katz has over 25 years experience in electric and natural gas markets, risk management, strategic planning and operations of physical assets. As an Independent Evaluator of San Diego Gas & Electric's (SDG&E’s) and Southern California Edison’s (SCE’s) procurement processes, he led VHC's evaluation and reporting on the IOU’s entire solicitation, evaluation and selection process.

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Edward Remedios, MBA, Ph.D.

Senior Consultant

Ed Remedios has over thirty years experience in the electric, gas and petroleum industries. He spent 20 years in positions of increasing responsibility with PG&E, taking early retirement as PG&E’s head of Economics and Forecasting. His responsibilities included coordination of the corporate strategic plan, forecasting economic and market conditions and sales, and evaluation of projects.

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Additional Senior Consultants

Kristine L. Chase, Ph.D.
Kris Chase, Senior Consultant, has over 25 years experience in the analysis of financial markets with a focus on banking, corporate finance, and the determination of market interest rates. Professor Chase is the former Director of the Center for the Regional Economy at Saint Mary’s College, where she teaches in the Executive MBA program and, previously, taught banking, finance and economic policy, including antitrust and regulatory economics. She has conducted research on economic and business-related issues and has been a Fellow of the American Council on Education and past president of the national Economics Honor Society. Her research includes the structure and regulation of financial markets, such as the Federal Reserve's and other public policies towards regulated industries.

Kris has been a board member of Goodwill Industries of the Greater East Bay. She previously served as CFO and VP for Administration of Saint Mary’s College of California, leading the college’s successful issuance of a $26 million bond for facilities expansion, as well as being responsible for facilities, IT, and HR. She provides substantial public sector experience, having served as an elected board member and chair of the Contra Costa Community College District. Kris has worked with auditors, bond rating agencies, and financial consultants and serves as a member of accreditation teams for the Western Association of Schools and Colleges, focusing on financial and managerial aspects of colleges and universities. Professor Chase earned her Ph.D. in Economics from the University of Maryland and holds a B.A. from the University of California, Davis.

Constance W. Miller, Ph.D.
Connie Miller, Senior Analyst, is a mechanical engineer and quantitative analyst. She has conducted engineering analysis, data evaluation, database and programming support for the Air Strategy and Emission Trading Models, the Emission Reduction Analysis Model and for studies of competitive strategy and market power. She has projected emissions under alternative regulatory reform proposals and tracked emission allowance market transactions. Dr. Miller has also developed numerical and simulation models of physical and chemical processes. Formerly, she was Staff Scientist at the Lawrence Berkeley Laboratory and Assistant Professor of Mechanical Engineering at the University of California, Berkeley. She holds a Ph.D. in Mechanical and Aerospace Engineering and M.Eng. and B.S. degrees in Engineering Physics from Cornell University.