Colin Wilhelm serves as Manager of Tax Legislative Affairs in Grant Thornton’s Washington National Tax Office. In this role, he monitors and analyzes congressional, legal, and regulatory developments to keep the firm’s accounting and consulting professionals informed and equipped to advise clients amid evolving policy and legislative landscapes.

Colin contributes to the firm’s technical guidance by drafting and editing firm-wide communications on tax policy and legislative matters. He also presents regularly on political and legislative developments, providing timely insights that support strategic decision-making across the firm and its client base.