On May 9, 2023, Lee Olesky informed the Board of Directors of Tradeweb Markets Inc. that he will resign from his position as Chairperson of the Board and as a member of the Board, effective as of June 30, 2023. Mr. Olesky's resignation is not due to any disagreement with the Company. On May 12, 2023, the Board elected Jacques Aigrain to succeed Mr. Olesky as Chairperson of the Board, effective as of July 1, 2023.

Mr. Olesky co-founded Tradeweb in 1996, and for more than three decades he has been a central figure in the evolution of fixed income electronic trading. He retired as CEO of Tradeweb in December of 2022 after more than 20 years of leadership at the company. Mr. Aigrain joined the Tradeweb Board in 2022 as an independent director.

He has more than 30 years of experience in the financial services industry, including with Warburg Pincus LLP, LCH Clearnet Group Ltd, Swiss Re and JPMorgan Chase & Co. He is or has been a director of LyondellBasell NV, Clearwater Analytics, LSEG plc, WPP plc, and Lufthansa Group AG. Mr. Aigrain is an economist by training with a diploma from Pantheon Sorbonne University and Paris Dauphine.