Marc Casper has been President and Chief Executive Officer of Thermo Fisher Scientific since October 2009. He was also elected Chairman of the Board in February 2020.

Marc joined Thermo Electron Corporation in 2001 as President of the Life Sciences sector. He was named Senior Vice President in 2003, and in 2005 assumed responsibility for all of the company’s operating divisions. After the merger that created Thermo Fisher Scientific in 2006, he was named Executive Vice President and President of its Analytical Technologies businesses, and in 2008 he became the company’s Chief Operating Officer.

Prior to joining Thermo Fisher, Marc served as President, Chief Executive Officer and a Director of Kendro Laboratory Products. Previously, he worked for clinical diagnostics provider Dade Behring Inc., serving as President–Americas. He began his career as a strategy consultant at Bain & Company and later joined Bain Capital.

Marc serves on the boards of U.S. Bancorp, U.S. - China Business Council, Brigham & Women’s Hospital and Wesleyan University. He was previously a director of the Advisory Board Company and Zimmer Holdings. Marc earned an MBA with high distinction from Harvard Business School and is a graduate of Wesleyan University, where he received a bachelor’s degree in economics.

Michael joined the company in January 2018 as Senior Vice President and General Counsel.

Prior to joining Thermo Fisher, Michael spent more than 20 years at Luxottica, a market-leading consumer products, retail and healthcare company, where he held a number of senior business and legal roles and ultimately became Executive Vice President and Group General Counsel. Prior to Luxottica, Michael worked as an attorney with the international law firm of Winston and Strawn, specializing in M&A, corporate finance and capital market transactions, and compliance.

Michael earned his law degree from New York University School of Law and holds a bachelor’s degree in political science from Columbia University.

Daniella joined Thermo Fisher in 2019 as President, Instrument and Enterprise Services. In January 2021, she was named Senior Vice President and President, BioProduction.

Prior to joining Thermo Fisher, Daniella served as Global President for Johnson & Johnson’s (J&J’s) neurovascular medical device business and as U.S. President for Biosense Webster, J&J’s market-leading electrophysiology business. Prior to joining J&J, Daniella spent 17 years with Alere, where she most recently served as Global President of its cardiometabolic business.

Daniella earned an MBA from University of California, Irvine, and a bachelor’s degree from University of California, Riverside.

Greg joined the company in January 2002 as President, Environmental Instruments. He was named President, Scientific Instruments, in May 2006 and became Senior Vice President and President, Analytical Instruments, two years later. In 2012, Greg was named President, Biosciences, and in January 2014, he became Senior Vice President and President of the company’s Customer Channels business.

Prior to joining Thermo Fisher, Greg spent 14 years at General Electric, including two years at Borg Warner Chemicals (acquired by GE Plastics). While at GE, his career progressed through multiple sales, marketing and general management roles within the Plastics and Transportation Systems divisions.

Greg holds an MBA from Harvard Business School and bachelor’s degrees in chemical engineering from Virginia Tech and the University of Exeter.

Karen is responsible for the company’s corporate public relations, government relations, employee communications and multi-media functions, as well as executive, change management, crisis and investor communications.

She first joined the company when it was Thermo Electron Corporation and spent nearly 16 years in corporate communications and investor relations positions of increasing responsibility. In 1997, she was named Director of Corporate Communications, leading the function for the parent company and its 22 public subsidiaries. She developed and executed the communications strategy during the major reorganization in 2000 that re-focused the company and created a foundation for future growth.

In 2001, Karen left the company for five years to run a communications consultancy, serving a number of public-company clients, including Thermo Electron. She rejoined in her current role in 2006, at the time of the merger that created Thermo Fisher Scientific, and built the corporate communications function. In October 2020, Karen became Retiring Vice President, Corporate Communications.

Karen earned a Bachelor of Science degree in journalism from Ohio University and began her career in advertising and public relations agencies in the Midwest. She is a member of the International Association of Business Communicators and the Communications 50, a group of communications leaders from major companies.

Michel was named Executive Vice President in September 2019, with responsibility for Thermo Fisher’s pharma services and customer channels businesses, as well as the company’s corporate accounts function. In January 2021, Michel also assumed responsibility for the bioproduction business as well as our key geographic regions. He joined the company as President, Pharma Services, through the acquisition of Patheon in 2017.

Michel previously served as President and Chief Operating officer of Patheon from 2016 to 2017, and prior to that, he was Managing Director at JLL Partners, a leading middle-market private equity firm focused on healthcare. At JLL, Michel worked with several of the organization’s portfolio companies, including Patheon, where he helped the executive committee transform the company into a global provider of biopharma development and commercial manufacturing services.

Before joining JLL, Michel was Chief Executive Officer and Chief Financial Officer (CFO) of the Domestic Appliances and Personal Care division of Philips Electronics North America. He also previously served as CFO of Philips Electronics in Indonesia and Financial Controller of Philips Electronics Hong Kong.

Michel earned a bachelor’s degree in business administration from European University in Antwerp and an executive master’s degree in finance and control from the University of Maastricht and University of Amsterdam.

Paul Parker was named Senior Vice President of Strategy and Corporate Development in April 2020, with responsibility for corporate strategy, mergers and acquisitions, and other corporate development opportunities.

Paul has more than 30 years of M&A banking experience in multiple sectors and geographies. Prior to joining Thermo Fisher, Paul served as Co-Chairman of the Global Mergers and Acquisitions Group in the Investment Banking Division for Goldman Sachs & Co. He also served on the firm's Partnership Committee and on the Investment Banking Senior Leadership Council. Prior to Goldman Sachs, Paul worked as Chairman and Head of Global M&A at both Barclays and Lehman Brothers. He served on the Executive Committee for the Investment Banking Division of both companies and on the Americas Management Committee for Barclays Group.

Paul earned an MBA with distinction from Harvard Business School and a bachelor's degree in international studies from the University of North Carolina at Chapel Hill.

Sandy joined Thermo Fisher on October 1, 2020, as Vice President and Chief Communications Officer, with responsibility for the Corporate Communications and Investor Relations functions.

She previously spent 14 years with Johnson & Johnson (J&J), most recently serving as Vice President, Communication and Public Affairs for J&J Medical Devices Companies. Before that, Sandy held the same role within J&J Consumer, Inc. In both roles, Sandy set the communication and public affairs strategy for a broad portfolio of world-class brands. Throughout her career with J&J, she helped the company strengthen its industry leadership and enhance its reputation with all stakeholders, including employees, customers, the media and investors. Prior to J&J, Sandy worked in both corporate and agency settings managing public relations, crisis communications, media relations and employee engagement.

Sandy earned a bachelor's degree in English and Communications from Douglas College at Rutgers University.

Dan joined the company in 1998 as a controller, and over the next four years held a number of leadership positions within finance and operations. In 2002, he was appointed business leader for the company’s Elemental Analysis product line and a year later became Vice President and General Manager of that business. In 2007, he was promoted to President, Process Instruments, and in 2011 became President, Chemical Analysis. Dan was named President, Chromatography and Mass Spectrometry, in 2012, and in 2016, became Senior Vice President and President, Analytical Instruments. In September 2017, he also assumed responsibility for Unity Lab Services.

Prior to joining Thermo Fisher, Dan worked for international accounting firm Arthur Andersen for eight years. He holds a bachelor’s degree in economics from Wesleyan University and a master’s degree in professional accounting from the University of Hartford.

Ryan was named Vice President and Chief Information Officer for Thermo Fisher in January 2019 and was promoted to Senior Vice President in July. Previously, he served as Vice President, IT, for the Customer Channels and Pharma Services groups as well as IT leader for Thermo Fisher's quality and regulatory organizations. In those roles, he led the technology integration and development of the IT organization within Pharma Services following Thermo Fisher’s acquisition of Patheon. He has also helped to enhance the customer experience by scaling global IT systems and operations within the Customer Channels Group and expanding our digital capabilities.

Ryan joined Thermo Fisher in 2014 through the acquisition of Life Technologies, where he served in several IT leadership roles for 10 years, including leading commercial, eBusiness and digital IT teams. Before joining the company, he spent five years at GE leading business and IT teams.

Ryan holds an MBA and a master’s degree in information systems from State University of New York (SUNY) at Buffalo. He earned his bachelor’s degree in political science and environmental studies from SUNY at Geneseo.

In August 2015, Stephen was named Senior Vice President and Chief Financial Officer, responsible for the company’s finance, tax, treasury, and global business services functions. He joined the company in 2001 as Vice President, European Financial Operations, based in the U.K., and oversaw the company’s integration activities across Europe. In 2004, Stephen moved to the U.S. and held finance leadership roles for a number of the company’s operating businesses. In 2008, he became Vice President of Financial Operations for Thermo Fisher Scientific and led the finance support function for all of the company’s businesses.

Stephen joined Thermo Fisher from Honeywell International (formerly AlliedSignal), where he served as Vice President and Chief Financial Officer, Asia-Pacific, in Singapore and held other finance roles in corporate development and operational finance. He began his career with Price Waterhouse in the transaction support group and the audit practice, working in both London and New York.

Stephen holds a bachelor's degree in accounting and finance from the University of Wales and is a member of the Institute of Chartered Accountants of England and Wales. Stephen serves on the board of International Flavors and Fragrances Inc.