Michael Mulhern has been appointed chief executive officer of AMRI, a portfolio company of The Carlyle Group and GTCR. He succeeds William S. Marth. Mr. Mulhern previously served as chief executive officer of Sterigenics International, a global provider of contract sterilization, gamma technologies and medical isotopes. Mr. Marth will remain with the company in an advisory role. Stephen H. Wise, managing director and global head of healthcare for Carlyle, said, “Michael is a highly acco...