MICHAEL G. ATIEH - Corporate Board Profile

Chubb Ltd

Filing Date	Source Excerpt
2017-04-04	Mr. Atieh brings a wealth of diverse business experience to the Board which he gained as a senior executive in a Fortune 50 company, large and small biotechnology companies and technology and pharmaceutical service companies.
2018-04-03	Michael G. Atieh served as Executive Vice President and Chief Financial and Business Officer of Ophthotech Corporation... He was an audit manager at Ernst & Young and has served as chair of the audit committee of another public company.
2019-04-02	Mr. Atieh brings a wealth of diverse business experience to the Board which he gained as a senior executive in a Fortune 50 company, large and small biotechnology companies and technology and pharmaceutical service companies.
2020-04-06	Mr. Atieh brings a wealth of diverse business experience to the Board which he gained as a senior executive in a Fortune 50 company, large and small biotechnology companies and technology and pharmaceutical service companies. His experience in finance includes serving as a chief financial officer, developing and executing financing strategies for large acquisitions, and subsequently leading the integration efforts of newly acquired companies.
2021-04-05	Michael G. Atieh served as Executive Vice President and Chief Financial and Business Officer of Ophthotech Corporation (a biopharmaceutical company) from September 2014 until March 2016. From February 2009 until its acquisition in February 2012, Mr. Atieh was Executive Chairman of Eyetech Inc., a private specialty pharmaceutical company. He served as Executive Vice President and Chief Financial Officer of OSI Pharmaceuticals from June 2005 until December 2008. Mr. Atieh is currently Chairman of the Board of Directors and a member of the Nominating and Governance Committee of electroCore, Inc., a director and Chairman of the Audit Committee of Immatics N.V. and a director and Chairman of the Audit Committee of Oyster Point Pharma. He served as a member of the Board of Directors of Theravance Biopharma, Inc. from June 2014 to April 2015, and as a member of the Board of Directors and Chairman of the Audit Committee for OSI Pharmaceuticals from June 2003 to May 2005. Previously, Mr. Atieh served at Dendrite International, Inc. as Group President from January 2002 to February 2004 and as Senior Vice President and Chief Financial Officer from October 2000 to December 2001. He also served as Vice President of U.S. Human Health, a division of Merck & Co., Inc., from January 1999 to September 2000, as Senior Vice President — Merck-Medco Managed Care, L.L.C., an indirect wholly-owned subsidiary of Merck, from April 1994 to December 1998, as Vice President — Public Affairs of Merck from January 1994 to April 1994 and as Treasurer of Merck from April 1990 to December 1993.
2021-09-15	Included in these amounts are Common Shares that will be issued to the director immediately upon his separation from the Board. These Common Shares relate to vested stock units granted as directors compensation and associated dividend reinvestment accruals.
2022-04-04	Michael G. Atieh served as Executive Vice President and Chief Financial and Business Officer of Ophthotech Corporation (a biopharmaceutical company) from September 2014 until March 2016. From February 2009 until its acquisition in February 2012, Mr. Atieh was Executive Chairman of Eyetech Inc., a private specialty pharmaceutical company. He served as Executive Vice President and Chief Financial Officer of OSI Pharmaceuticals from June 2005 until December 2008. Mr. Atieh is currently a director of electroCore, Inc., a director and Chairman of the Audit Committee of Immatics N.V. and a director and Chairman of the Audit Committee of Oyster Point Pharma. He served as a member of the Board of Directors of Theravance Biopharma, Inc. from June 2014 to April 2015, and as a member of the Board of Directors and Chairman of the Audit Committee for OSI Pharmaceuticals from June 2003 to May 2005. Previously, Mr. Atieh served at Dendrite International, Inc. as Group President from January 2002 to February 2004 and as Senior Vice President and Chief Financial Officer from October 2000 to December 2001. He also served as Vice President of U.S. Human Health, a division of Merck & Co., Inc., from January 1999 to September 2000, as Senior Vice President — Merck-Medco Managed Care, L.L.C., an indirect wholly-owned subsidiary of Merck, from April 1994 to December 1998, as Vice President — Public Affairs of Merck from January 1994 to April 1994 and as Treasurer of Merck from April 1990 to December 1993.
2023-04-03	Mr. Atieh brings a wealth of diverse business experience to the Board which he gained as a senior executive in a Fortune 50 company, large and small biotechnology companies, and technology and pharmaceutical service companies.
2024-04-01	Mr. Atieh brings a wealth of diverse business experience to the Board, which he gained as a senior executive in a Fortune 50 company, large and small biotechnology companies, and technology and pharmaceutical service companies.
2025-04-01	Michael G. Atieh served as Executive Vice President and Chief Financial and Business Officer of Ophthotech Corporation (biopharmaceutical company) from September 2014 until March 2016. From February 2009 until its acquisition in February 2012, Mr. Atieh was Executive Chairman of Eyetech Inc. (private specialty pharmaceutical company). He served as Executive Vice President and Chief Financial Officer of OSI Pharmaceuticals from June 2005 until December 2008. Mr. Atieh is currently a director and Chairman of the Audit Committee of Immatics N.V. (clinical stage biopharmaceutical company). Mr. Atieh served as a director and Chairman of the Audit Committee of Oyster Point Pharma, Inc. from October 2020 to January 2023. He also served as a member of the Board of Directors of electroCore, Inc. (medical technology company) from June 2018 to June 2022, a member of the Board of Directors of Theravance Biopharma, Inc. from June 2014 to April 2015, and as a member of the Board of Directors and Chairman of the Audit Committee of OSI Pharmaceuticals, Inc. from June 2003 to May 2005. Previously, Mr. Atieh served at Dendrite International, Inc. (software provider) as Group President from January 2002 to February 2004 and as Senior Vice President and Chief Financial Officer from October 2000 to December 2001.