Freeline Therapeutics Holdings plc announced the expansion of its executive leadership team with the appointment of Michael J. Parini to the newly-created role of President and Chief Operating Officer. This appointment complements the recent hires of Stephen P. Diamond, Jr. as Senior Vice President and General Counsel and David S. Arrington as Vice President of Investor Relations and Corporate Communications. The Company also announced that Brian M. Silver, Chief Financial Officer and Head of Corporate Development, has decided to leave Freeline to pursue a new opportunity. Silver will continue in his current role until April 30, 2021, to facilitate the smooth transition of his responsibilities. Michael Parini has been appointed to the role of President and Chief Operating Officer, effective March 15, 2021. Parini will be based in the US and will report to Chief Executive Officer Theresa Heggie, supporting her in executing the Company’s global strategy and overseeing critical business and operational functions. These functions include Program Management, Corporate Strategy, Business Development, Legal, Compliance, Investor Relations, Corporate Communications and Information Technology. Parini brings more than 20 years of executive experience in the biopharmaceutical industry, including most recently at Vertex Pharmaceuticals, where he served as Executive Vice President and Chief Administrative, Legal and Business Development Officer and as a member of the company’s Executive Committee. Stephen Diamond recently joined Freeline as Senior Vice President and General Counsel and will report to Michael Parini. Diamond was most recently at Pfizer Inc., where he spent more than 10 years in legal roles of increasing responsibility, most recently as Assistant General Counsel, Business Transactions, in which he led legal support for a number of gene therapy projects. David Arrington recently joined Freeline as Vice President of Investor Relations and Corporate Communications and will report to Michael Parini. Prior to Freeline, Arrington was Vice President of Investor Relations and Corporate Affairs at Coherus BioSciences where he supported commercialization of the company’s first product. He has more than 20 years of experience in life sciences including leadership roles at small- to mid- cap biotechnology companies, Stanford Medicine and UC California San Francisco, and 10 years at Genentech and Bristol Myers Squibb.