DAVID P. SOUTHWELL - Corporate Board Profile

PTC THERAPEUTICS, INC.

Filing Date	Source Excerpt
2014-04-28	David Southwell Audit Committee Compensation Committee Age 53 Mr. Southwell has served as a member of our Board since December 2005. From March 2010 to September 2012, Mr. Southwell served as the Executive Vice President and Chief Financial Officer, and from 2008 to 2010 served as a member of the board of directors, of Human Genome Sciences, Inc., a biopharmaceutical company. Prior to joining Human Genome Sciences, he served as Executive Vice President and Chief Financial Officer of Sepracor, Inc., a research-based pharmaceutical company, from June 1994 to March 2008, and as Sepracor's Senior Vice President and Chief Financial Officer, from 1994 to 1995. From August 1988 until 1994, Mr. Southwell was associated with Lehman Brothers Inc., a securities firm, in various positions with the investment banking division. Since 2007, Mr. Southwell has served on the board of directors of THL Credit, Inc., a publicly traded business development company under the Investment Company Act of 1940. Mr. Southwell received a B.A. from Rice University and an M.B.A. from the Tuck School of Business at Dartmouth College. We believe that Mr. Southwell is qualified to serve on our Board because of his extensive executive leadership experience and knowledge of our industry.
2015-04-28	David P. Southwell Audit Committee Compensation Committee Age 54 Mr. Southwell has served as a member of our Board since December 2005. ... 2014 Director Compensation Table shows David Southwell received total compensation of $245,412.
2016-04-28	David P. Southwell Audit Committee Compensation Committee Age 55 Mr. Southwell has served as a member of our Board since December 2005. He is currently the President and Chief Executive Officer, and a member of the board of directors, of Inotek Pharmaceuticals, a biotechnology company. From March 2010 to September 2012, Mr. Southwell served as the Executive Vice President and Chief Financial Officer, and from 2008 to 2010 served as a member of the board of directors, of Human Genome Sciences, Inc., a biopharmaceutical company. Prior to joining Human Genome Sciences, he served as Executive Vice President and Chief Financial Officer of Sepracor, Inc., a research-based pharmaceutical company, from June 1994 to March 2008, and as Sepracor's Senior Vice President and Chief Financial Officer, from 1994 to 1995. From August 1988 until 1994, Mr. Southwell was associated with Lehman Brothers Inc., a securities firm, in various positions with the investment banking division. Since 2007, Mr. Southwell has served on the board of directors of THL Credit, Inc., a publicly traded business development company under the Investment Company Act of 1940 and from 2000 to 2010, he served on the board of directors of BioSphere Medical, Inc. Mr. Southwell received a B.A. from Rice University and an M.B.A. from the Tuck School of Business at Dartmouth College. We believe that Mr. Southwell is qualified to serve on our Board because of his extensive executive leadership experience and knowledge of our industry. 2015 Director Compensation Table: David Southwell Fees earned or paid in cash $58,000 Option awards $359,801 All other compensation $0 Total $417,801
2017-04-28	Mr. Southwell has served as a member of our Board since 2005. He serves on the Audit Committee and the Compensation Committee.
2022-04-28	David P. Southwell Audit Committee Compensation Committee Age 61 Mr. Southwell has served as a member of our Board since 2005. He is currently the Chief Executive Officer, and a member of the board of directors, of TScan Therapeutics, Inc., a Nasdaq-listed biotechnology company at which he has held this position since October 2018. Previously Mr. Southwell served as President and Chief Executive Officer of Inotek Pharmaceuticals, Inc., a formerly publicly listed biotechnology company from 2014 until its merger with Rocket pharmaceuticals Inc. in 2018. From March 2010 to September 2012, Mr. Southwell served as the Executive Vice President and Chief Financial Officer, and from 2008 to 2010 served as a member of the board of directors, of Human Genome Sciences, Inc., a formerly publicly listed biopharmaceutical company. Prior to joining Human Genome Sciences, he served as Executive Vice President and Chief Financial Officer of Sepracor, Inc., a research-based pharmaceutical company, from June 1994 to March 2008, and as Sepracor's Senior Vice President and Chief Financial Officer, from 1994 to 1995. From August 1988 until 1994, Mr. Southwell was associated with Lehman Brothers Inc., a securities firm, in various positions within the investment banking division. In addition to TScan, Mr. Southwell currently serves on the board of directors of Rocket Pharmaceuticals, a Nasdaq-listed biotechnology company. From 2018 to 2019, Mr. Southwell served on the board of directors of Spero Therapeutics, Inc., a Nasdaq-listed biotechnology company. During 2016, Mr. Southwell served on the board of directors of inVentive Health, Inc., a contract research organization prior to its recapitalization in late 2016. From 2007 to 2016, Mr. Southwell served on the board of directors of THL Credit, Inc., a Nasdaq-listed business development company under the Investment Company Act of 1940. Mr. Southwell received a B.A. from Rice University and an M.B.A. from the Tuck School of Business at Dartmouth College. We believe that Mr. Southwell is qualified to serve on our Board because of his extensive executive leadership experience and knowledge of our industry.

ROCKET PHARMACEUTICALS, INC.

Filing Date	Source Excerpt
2015-04-29	Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College. From March 2010 to October 2012, Mr. Southwell served as Executive Vice President, Chief Financial Officer of Human Genome Sciences, Inc. ... We believe that Mr. Southwell’s qualifications to sit on our Board include his broad experience serving on the boards of directors of public companies, his specific experience with public therapeutics companies and his executive leadership, managerial and business experience.
2016-05-06	Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College. We believe that Mr. Southwell's qualifications to sit on our Board include his broad experience serving on the boards of directors of public companies, his specific experience with public therapeutics companies and his executive leadership, managerial and business experience.
2017-04-26	Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College. We believe that Mr. Southwell’s qualifications to sit on our Board include his broad experience serving on the boards of directors of public companies, his specific experience with public therapeutics companies and his executive leadership, managerial and business experience.
2018-04-30	Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College. We believe that Mr. Southwell's qualifications to sit on our Board include his broad experience serving on the boards of directors of public companies, his specific experience with public therapeutics companies and his executive leadership, managerial and business experience.
2019-04-30	Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College.
2020-04-24	David P. Southwell has served as one of our directors since August 2014. He serves as President, Chief Executive Officer and board member of TScan Therapeutics, a privately-owned cell therapy company. Mr. Southwell previously served as the President and Chief Executive Officer of Inotek from July 2014 to January 2018. From March 2010 to October 2012, Mr. Southwell served as Executive Vice President, Chief Financial Officer of Human Genome Sciences, Inc., which is owned by GlaxoSmithKline plc. Prior to his time at Human Genome Sciences, Mr. Southwell served as Executive Vice President and Chief Financial Officer of Sepracor Inc. from July 1994 to July 2008. Mr. Southwell has also served on the board of directors of PTC Therapeutics Inc. since December 2005 and Spero Therapeutics, Inc. from February 2018 to April 2019. Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College, where he has served on the Board of Overseers since 2011. We believe that Mr. Southwell’s qualifications to serve on our Board include his broad experience serving on the boards of directors of public companies, his specific experience with public therapeutics companies and his executive leadership, managerial and business experience.
2021-04-30	David P. Southwell has served as one of our directors since August 2014. He serves as President, Chief Executive Officer and board member of TScan Therapeutics, a privately-owned cell therapy company. Mr. Southwell previously served as the President and Chief Executive Officer of Inotek from July 2014 to January 2018. From March 2010 to October 2012, Mr. Southwell served as Executive Vice President, Chief Financial Officer of Human Genome Sciences, Inc., which is owned by GlaxoSmithKline plc. Prior to his time at Human Genome Sciences, Mr. Southwell served as Executive Vice President and Chief Financial Officer of Sepracor Inc. from July 1994 to July 2008. Mr. Southwell has also served on the board of directors of PTC Therapeutics Inc. since December 2005 and Spero Therapeutics, Inc. from February 2018 to April 2019. Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College, where he served on the Board of Overseers from 2011 to 2020.
2022-04-29	David P. Southwell has served as one of our directors since August 2014. He serves as President, Chief Executive Officer and board member of TScan Therapeutics. Mr. Southwell previously served as the President and Chief Executive Officer of Inotek from July 2014 to January 2018. From March 2010 to October 2012, Mr. Southwell served as Executive Vice President, Chief Financial Officer of Human Genome Sciences, Inc., which is owned by GlaxoSmithKline plc. Prior to his time at Human Genome Sciences, Mr. Southwell served as Executive Vice President and Chief Financial Officer of Sepracor Inc. from July 1994 to July 2008. Mr. Southwell has also served on the board of directors of PTC Therapeutics Inc. since December 2005 and Spero Therapeutics, Inc. from February 2018 to April 2019. Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College, where he served on the Board of Overseers from 2011 to 2020.
2023-04-28	Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College. We believe that Mr. Southwell’s qualifications to serve on our Board include his broad experience serving on the boards of directors of public companies, his specific experience with public therapeutics companies and his executive leadership, managerial and business experience.
2024-04-29	Mr. Southwell received a B.A. from Rice University and an M.B.A. from Dartmouth College.