Marc N. Casper is Chairman & Chief Executive Officer at Thermo Fisher Scientific, Inc. since 2026 and has been with the company since 2001. Holds director positions at The Brigham & Women's Hospital, Inc., Wesleyan University, Brigham & Women's Faulkner Hospital, Inc., Mass General Brigham, Inc., U.S. Bank NA (Boston MA), and is a member of The Business Roundtable. Trustee at US-China Business Council since 2012 and Massachusetts Math & Science Initiative. Former President, Chief Executive Officer & Director at Kendro Laboratory Products LP in 2001. Independent Director at U.S. Bancorp from 2016 to 2021, Zimmer Biomet Holdings, Inc. from 2012 to 2013, and Synopsys, Inc. from 2022 to 2025. Served as Senior Vice President at Thermo Electron Corp. from 2003 to 2006. Held roles as President-Americas Region at Dade Behring, Inc. from 1997 to 2000 and at Bain Capital, Inc. Director at The Advisory Board Co. and Chief Operating Officer at Analytical Technology, Inc. Education includes undergraduate degree from Wesleyan University and MBA from Harvard Business School.
Scott M. Sperling
Scott M. Sperling is Co-Chief Executive Officer at Thomas H. Lee Partners LP since 1994. Mr. Sperling is Chairman at Mass General Brigham, Inc. Mr. Sperling is Independent Director at Agiliti, Inc. (Minnesota) since 2019. Mr. Sperling is Director at iHeartMedia Capital I LLC, Partners HealthCare Corp., iHeartCommunications, Inc., and Brigham & Women's. Mr. Sperling is Lead Independent Director at Thermo Fisher Scientific, Inc. since 2022. Mr. Sperling is President at THL Portfolio Holdings Corp. Former roles include Executive Chairman at Federal Street Acquisition Corp. from 2017 to 2019. Former Chairman at The Wang Center For The Performing Arts, Inc. Former Director at HM Publishing Corp., Univision Communications, Inc., Warner Music Group Corp., Hawkeye Energy Holdings LLC, Thomas H. Lee Advisors LLC, Wyndham Hotels & Resorts LLC, Livewire, Tibbar LLC, MSG Networks, Inc. from 2014 to 2015, Experian Information Solutions, Inc., Pricecellular Corp., Fisher Scientific International, Inc. from 1998 to 2006, Procurenet, Inc., The Learning Co., Inc., GenTek, Inc., ProSiebenSat.1 Media SE, Wyndham International, Inc., Houghton Mifflin Holding Co., Inc., Madison Square Garden Sports Corp. from 2015 to 2019, Aramark Services, Inc., Vertis, Inc., Front Line Management Group, Inc., WMG Acquisition Corp., iHeartMedia, Inc. from 2007 to 2019, Agiliti Health, Inc., and Managing Partner at Aeneas Group, Inc. Education includes undergraduate studies at Purdue University and an MBA from Harvard Business School.
Marc N. Casper
Marc N. Casper is Chairman & Chief Executive Officer at Thermo Fisher Scientific, Inc. since 2026 and has been with the company since 2001. Holds director positions at The Brigham & Women's Hospital, Inc., Wesleyan University, Brigham & Women's Faulkner Hospital, Inc., Mass General Brigham, Inc., U.S. Bank NA (Boston MA), and is a member of The Business Roundtable. Trustee at US-China Business Council since 2012 and Massachusetts Math & Science Initiative. Former President, Chief Executive Officer & Director at Kendro Laboratory Products LP in 2001. Independent Director at U.S. Bancorp from 2016 to 2021, Zimmer Biomet Holdings, Inc. from 2012 to 2013, and Synopsys, Inc. from 2022 to 2025. Served as Senior Vice President at Thermo Electron Corp. from 2003 to 2006. Held roles as President-Americas Region at Dade Behring, Inc. from 1997 to 2000 and at Bain Capital, Inc. Director at The Advisory Board Co. and Chief Operating Officer at Analytical Technology, Inc. Education includes undergraduate degree from Wesleyan University and MBA from Harvard Business School.
Tyler E. Jacks
Tyler E. Jacks is the founder of T2 Biosystems, Inc., founded in 2006, and Dragonfly Therapeutics, Inc., founded in 2016. Current jobs include Independent Director at Amgen, Inc. since 2012, Independent Director at Thermo Fisher Scientific, Inc. since 2009, President & Director at Commonwealth Cancer Consortium, Inc. since 2021, and Professor at Massachusetts Institute of Technology since 2007. Former jobs include Chairman at National Cancer Institute and Director at David H. Koch Institute for Integrative Cancer Research from 2007 to 2021. Education history includes an undergraduate degree from Harvard University in 1983 and a doctorate from The University of California, San Francisco in 1988.
Nelson J. Chai
Nelson J. Chai is Chief Executive Officer & Director at DailyPay LLC since 2025. Mr. Chai is Director-School of Arts & Sciences at the University of Pennsylvania since 2013. Mr. Chai is Independent Director at Thermo Fisher Scientific, Inc. since 2011. Mr. Chai is Director at The College of Arts & Sciences since 2013. Mr. Chai is Independent Director at Chubb Ltd. since 2024. Former roles include President & Chief Executive Officer at The Warranty Group, Inc. and The Warranty Group, Inc. (Investment Portfolio) from 2017 to 2018. Chairman at CIT Bank NA from 2014 to 2015. Vice Chairman at CIT Bank (Utah). Director at United Nations Children's Fund and United States Fund for UNICEF. Co-President at CIT Group, Inc. from 2011 to 2015. Chief Financial Officer & Executive Vice President at Merrill Lynch & Co., Inc. from 2007 to 2008. President-Asia Pacific Region at Bank of America Corp. Senior VP-Business Development & Controller at Dade Behring Holdings, Inc. in 2011. Chief Financial Officer & Executive Vice President at NYSE Group, Inc. and NYSE Euronext, Inc. from 2006 to 2007. Chief Financial Officer at Archipelago Holdings, Inc. from 2000 to 2006. Chief Financial Officer at Uber Technologies, Inc. from 2018 to 2023. President at Virginia Surety Co., Inc. Education includes undergraduate degree from the University of Pennsylvania and MBA from Harvard Business School.
C. Martin Harris
C. Martin Harris is the founder of VitalStream Health, Inc., founded in 2002. Current jobs include Independent Director at Colgate-Palmolive Co. since 2016, Independent Director at Thermo Fisher Scientific, Inc. since 2012, Director at Agiliti, Inc. (Minnesota) since 2022, Independent Director at Claritev Corp. since 2021, and Chief Business Officer at Dell Medical School since 2016. Former jobs include Chairman at Healthcare Information & Management Systems Society, Chairman at National Health Information Infrastructure, Chairman at Foundation for eHealth Initiative, Lead Independent Director at Invacare Corp. from 2015 to 2022, Independent Director at HealthStream, Inc. from 2010 to 2021, Director at CareScience, Inc., Director at Sentillion, Inc., Executive Director at e-Cleveland Clinic from 2000 to 2016, Director at Agiliti Health, Inc., Associate Vice President at Health Enterprises, Inc., Chief Information Officer at Cleveland Clinic Hospital, Chief Strategy Officer at The Cleveland Clinic Foundation from 2011 to 2016, and Professor-Internal Medicine at the University of Texas at Austin Graduate School. Education includes undergraduate and doctorate degrees from the University of Pennsylvania and an MBA from The Wharton School of the University of Pennsylvania.
Dion J. Weisler
Dion J. Weisler currently works at Intel Corp., as Independent Director from 2020, BHP Group Ltd., as Independent Non-Executive Director from 2020, BHP Group (UK) Ltd., as Independent Non-Executive Director from 2020, Thermo Fisher Scientific, Inc., as Independent Non-Executive Director from 2017, Technology Ceo Council, as Director, Sapia&Co Pty Ltd., as Non-executive Director from 2022, and Qantas Airways Ltd., as Independent Non-Executive Director from 2025. Mr. Weisler also formerly worked at HP Tech Ventures, as President & CEO from 2015 to 2020, HP, Inc., as Director from 2019 to 2020, Acer U.K. Ltd., as Managing Director, Lenovo Group Ltd., as COO & VP-Mobile Internet Digital Home Groups from 2008 to 2011, and Telstra Corp. Ltd., as General Manager-Conferencing & Collaboration from 2002 to 2007. Mr. Weisler received his undergraduate degree from Monash University.
James C. Mullen
Debora L. Spar
Debora L. Spar is Chairman at Making Markets Work, Director at The Wallace Foundation, Independent Director at Thermo Fisher Scientific, Inc. since 2019, Non-Executive Director at Value Retail Plc since 2013, Trustee at Bentley University, Trustee at Howard Hughes Medical Institute, Inc. since 2016, Member of the Council on Foreign Relations, Inc., Member of the American Academy of Arts & Sciences, Advisor at Xfund Management Co. LLC, and Professor at Harvard Business School since 2020. Former roles include President & Chief Executive Officer at Lincoln Center for the Performing Arts, Inc. from 2017 to 2018, Independent Director at The Goldman Sachs Group, Inc. from 2012 to 2017, Director at The John & Mary R. Markle Foundation, Inc., Independent Director at Northern Star Acquisition Corp., President at Barnard College from 2008 to 2017, and Trustee at The Nightingale-Bamford School, Inc. Education includes a doctorate from Harvard University and an undergraduate degree from Edmund A. Walsh School of Foreign Service.
R. Alexandra Keith
R. Alexandra Keith is Chief Executive Officer at Beauty, Inc. since 2021. Ms. Keith serves as Independent Director at Thermo Fisher Scientific, Inc. since 2020. Ms. Keith is Director & Member at Cosmetic Executive Women, Inc. since 2016. Former roles include Chief Executive Officer-Beauty at Procter & Gamble Co. from 2019 to 2026. Director at National Underground Railroad Freedom Center, Inc. from 2012 to 2016. Director at Cincinnati Ballet. Director at American Cleaning Institute from 2012 to 2014. Director at Go Vibrant from 2011 to 2014. Director at Gotr Cincinnati from 2008 to 2015. Director at Personal Care Products Council from 2015 to 2022. Education includes an undergraduate degree from the University of Arizona, conferred in 1989.
Ruby R. Chandy
Ruby R. Chandy is currently an Independent Director at Flowserve Corp. since 2017, at DuPont de Nemours, Inc. since 2019, and at Thermo Fisher Scientific, Inc. since 2022. Former positions include Independent Director at AMETEK, Inc. from 2013 to 2022, Director at EIDP, Inc., Independent Director at IDEX Corp. from 2011 to 2013, Chief Marketing Officer at The Dow Chemical Co. from 2011 to 2012, Vice President & GM-Semiconductor Liquid Products at EMD Millipore Corp. in 1999, President-Industrial Division at Pall Corp. from 2012 to 2015, Chief Marketing Officer & Vice President at Rohm & Haas Co. from 2007 to 2009, President-Bioscience Technologies Division at Thermo Electron Corp., President-Microvasive Urology Division at Boston Scientific Corp., Senior Associate at McKinsey & Co., Inc., Chief Marketing Officer & Vice President at Thermo Fisher Scientific, Inc. from 2001 to 2007, and Senior Advisor at PPC Investment Partners LP. Education includes undergraduate and MBA degrees from Massachusetts Institute of Technology and graduate studies at Northwestern University.
Jennifer M. Johnson
Jennifer M. Johnson is Chief Executive Officer & Director at Franklin Resources, Inc. since 2025. Ms. Johnson is President & Chief Executive Officer at Franklin Advisers, Inc. since 2020. Ms. Johnson is Chairman at Franklin Templeton Trust since 2020. Ms. Johnson is Director at Vantage Corp. Ltd. Ms. Johnson is Independent Director at Thermo Fisher Scientific, Inc. since 2023. Ms. Johnson is Director at Lucile Salter Packard Children's Hospital at Stanford since 2015. Ms. Johnson is Director at Crystal Springs Uplands School. Ms. Johnson is Chief Investment Officer at Brandywine Group Trust - Global Fixed Income Fund. Ms. Johnson is Advisor at Shatter Fund LLC. Former roles include Chief Executive Officer-Finance & Administration at Saba Capital Income & Opportunities Fund II, Chairman at Franklin Capital Corp., Chairman at Franklin Templeton Bank & Trust, FSB, Director at Fiduciary Trust Company International, Independent Director at Keynote Systems, Inc. from 2004 to 2013, Non-Executive Director at Templeton Global Growth Fund Ltd. from 2009 to 2017, Director at Riva Financial Systems Ltd., Director at The Volunteer Center of San Francisco, Inc. from 1993 to 2000, Director at YMCA of San Francisco from 1999 to 2002, Director at The Shelter Network of San Mateo County, Director at Juvenile Diabetes Research Foundation Ltd., and Advisor at Rigel Associates LLC. Education includes undergraduate studies at the University of California, Davis.
Anthony May
Mr. Anthony May is a Member at Australasian Association For Clinical Biochemistry & Lab. He is on the Board of Directors at Atomo Diagnostics Ltd. and Microgenics Corp.