Mark S. Perwien

Tax Law

ASKRAMER LAW LLC, CHICAGO, IL

Of Counsel (2026–Present)

INTERNAL REVENUE SERVICE, NEW YORK, NY

Program Analyst (2024–2025)

Senior Advisor, Financial Products, to the Director of Enterprise Activities, Large Business and International Division (2012–2024)

INTERNAL REVENUE SERVICE, WASHINGTON, DC

Special Counsel, Office of the Associate Chief Counsel, Financial Institutions and Products (2009–2012)

GOLDMAN, SACHS & Co., NEW YORK, NY

Managing Director, Tax Department (2006–2008)

Managing Director, Derivatives Desk (2005–2006)

CITIGROUP AND PREDECESSOR ENTITIES, NEW YORK, NY

Various roles (1982–2002)

Current and prior commitments:

International Swaps and Derivatives Association

Committee on North American Tax, Chair (1998 – 2002)

New York City Bar Association (current)

Wall Street Tax Association (1989 – 2002; 2005 – 2008; current)

University of Pennsylvania

BA, Urban Studies

University of Pennsylvania

BS, Economics

University of Pennsylvania, The Wharton School

MBA

Stanford Law School

JD

New York University

LLM, Taxation