OmniAb, Inc. has announced that Joshua Tamaroff has resigned from the Board of Directors and Audit Committee, effective June 28, 2024. His resignation is due to his pending departure from Avista Capital Partners and is not due to any disagreement with the company's operations or management. Avista has stated they do not intend to designate a successor for Tamaroff. Additionally, the Board, following the Nominating and Corporate Governance Committee's recommendation, appointed Sarah Boyce to the Audit Committee to fill the vacancy. The Board also reduced its size from seven to six members.