SEC Names Deputy Director of Investment Management Division

The SEC recently announced that Sarah ten Siethoff will serve as deputy director of its investment management division. She has worked in the Division of Investment Management since 2008, and served as interim director of the investment management division until 2021, when William Birdthistle was appointed to the post. Ms. ten Siethoff will also continue in her role as associate director of rulemaking. Director Birdthistle noted that the Division of Investment Management relies “deeply upon her leadership in her roles as both the Division’s Deputy Director and the head of our Rulemaking Office and are grateful for her willingness to serve in both roles." SEC Chair Gary Gensler stated in the release “Sarah has provided invaluable counsel both as Acting Director of the Division and as head of its Rulemaking Office. She brings skill, judgment, and leadership to her service to the public, and I look forward to her many contributions in the new year." Prior to joining the Commission, ten Siethoff was an associate with Cleary Gottlieb Steen & Hamilton LLP in their New York and Washington, DC offices.