Warren Fischer

Warren Fischer is a Senior Vice President - Economic Consulting with Aperture (formerly QSI Consulting).

Mr. Fischer has over 25 years of experience with regulated utilities and competitive providers in the telecommunications, energy, and maritime industries. Mr. Fischer's professional experience includes two years in public practice with Deloitte LLP and over 35 years of managing financial analysis, reporting and forecasting processes for various multi-national corporations. Mr. Fischer is also certified as both a C.P.A. and Chartered Global Management Accountant.

Mr. Fischer's litigation expertise centers on billing disputes, forensic accounting analyses, damages assessment, merger reviews, historical and forward-looking economic cost methodologies, management audits, and multi-state tax sourcing of income through cost of performance determination. Mr. Fischer's practice as a management consultant includes assisting clients with business planning, forecasting, operational and jurisdictional cost analyses, and building business intelligence platforms.

Mr. Fischer is an experienced and effective expert witness who has provided expert testimony and reports in over 60 proceedings before 35 state utility commissions, state and federal courts, and other administrative agencies. The most recent four years of cases that Mr. Fischer testified in is listed here.

Mr. Fischer holds active C.P.A. licenses in the States of Colorado and California. He earned his Bachelor of Science degree in Business Administration with an emphasis in Accounting from the University of Colorado at Boulder. He is also a member of the American Institute of Certified Public Accountants (AICPA) in the Forensic and Valuation Services Section.