Troy W. McCall, Ph.D. has been promoted from chief operating officer to chief executive officer at Premier Research Group, effective immediately. He replaces Dr. Simon Yaxley, who will transition to an advisory role with the company’s board of directors as deputy chairman.

Michael Barry, non-executive chairman of the board, said, “On behalf of the board, I would like to thank Dr. Yaxley for his efforts, commitment to excellence, and vision as CEO and co-founder of Premier Research. Dr. McCall’s commitment, drive, and deep understanding of the business make him the ideal successor to ensure that Premier Research maintains its outstanding track record of growth and customer service.”

Dr. McCall led the successful integration of four acquisitions, established a global organization, and achieved year-on-year growth in excess of 20%.During Dr. McCall’s tenure, the company also initiated support of medical device trials in the U.S., launched a Functional Sourcing group, expanded clinical research sites, and completed its first NDA submission on behalf a sponsor.

Dr. Yaxley commented, “It is exciting and rewarding to have Troy stepping into the CEO role.This is what we have been working together towards and he deserves the recognition.I can think of no one more suited to continue to grow this successful company we, and many others, have worked hard to create.I also look forward to my continued involvement in the business as we continue to grow both organically as well as through acquisition.”