MacroGenics, Inc. announced the appointment of William Heiden to its Board of Directors, effective May 22, 2022. Mr. Heiden will serve as Chair of the board and a member of the Audit Committee. Following the appointment of Mr. Heiden, the Board will comprise eight directors, seven of whom are independent.

Mr. Heiden is replacing Paulo F. Costa as Chair. Mr. Costa served in the Chair position until his term as director expired on May 19, 2022. Mr. Heiden most recently spent eight years as President, Chief Executive Officer and board member of AMAG Pharmaceuticals building a diverse portfolio of commercial and development-stage products, and in 2020 the company was acquired by a private equity firm (Apollo, through Covis Pharma) for $650 million.