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James A. Overdahl, Ph.D.


Prior to joining Delta Strategy Group as a partner in 2013, Jim Overdahl was a Vice President in the Securities and Finance Practice at NERA Economic Consulting in Washington, DC. From 2007 to 2010, he was Chief Economist and Director of the Office of Economic Analysis for the US Securities and Exchange Commission (SEC). He served as principal economic advisor on policy, rulemaking, and litigation support and supervised the SEC’s economics program. From 2002 to 2007, Overdahl served as Chief Economist and Director of the Office of the Chief Economist for the US Commodity Futures Trading Commission (CFTC).

Overdahl has testified before Congress on behalf of the SEC and CFTC, and provided staff support and briefings for members of the President’s Working Group on Financial Markets. He has also provided expert testimony in complex financial litigation matters.

Overdahl has published extensively in leading economics and finance journals and has co-edited and co-authored, with Robert Kolb, four books in multiple editions including Financial Derivatives: Pricing and Risk Management and Futures, Options, and Swaps.

Overdahl graduated from St. Olaf College in 1980 and received his PhD from Iowa State University in 1984.