Leadership

Our leadership team has come from blue-chip, world-class companies and has extensive experience serving the life sciences, advanced technologies and applied materials space. The hallmark of the team is its ability to execute – and this is validated by the results we have delivered.

Michael Stubblefield

President and Chief Executive Officer

Michael Stubblefield is our President and CEO, a position he has held since May 2014. Prior to assuming his current position, Mr. Stubblefield served as a Senior Expert for Chemicals Practice of McKinsey & Company from 2013 to 2014. Prior to this role, Mr. Stubblefield held a variety of roles at Celanese Corporation from 1994 to 2012, including Vice President and General Manager, Advanced Engineered Materials and Chief Marketing Officer. Mr. Stubblefield earned a bachelor’s degree in chemical engineering from the University of Utah, as well as an MBA from Texas A&M University-Corpus Christi.

Thomas A. Szlosek

Executive Vice President and Chief Financial Officer

Thomas A. Szlosek is Avantor’s Executive Vice President and Chief Financial Officer. As CFO, Mr. Szlosek oversees: Accounting; Business Support; Financial Planning and Analysis; Treasury; M&A; Investor Relations; Internal Audit; and Tax Functions at Avantor.  He joined Avantor in December 2018, prior to which he spent 14 years with Honeywell, including the last five years as Chief Financial Officer. Mr. Szlosek also spent eight years with GE Corporation, including three years as the CFO for GE Medical Systems, based in Asia, and two years as the CFO for GE Consumer Finance, based in Ireland. He is a Certified Public Accountant and graduated from The State University of New York at Geneseo. 

James Bramwell

Executive Vice President, Strategic Partners

James Bramwell is our Executive Vice President, Strategic Partners. In his current role, Mr. Bramwell leads our customer relationships and contracts globally. Prior to assuming his current position, Mr. Bramwell served as VWR’s Senior Vice President, Strategic Partners, a position he held from June 2008 to November 2017. Prior to this role, Mr. Bramwell served in several roles at VWR, including Area Vice President of the Southwest U.S. and Mexico and Vice President of Major Accounts. Mr. Bramwell also served as the President of the VWR Foundation for four years. Mr. Bramwell earned a bachelor’s degree in business management from Brigham Young University.

Dr. Ger Brophy

Executive Vice President, Biopharma Production

Dr. Ger Brophy is our Executive Vice President, Biopharma Production. In his current role, Dr. Brophy is responsible for developing and implementing our Biopharma Production offering to support the current and future needs of our customers. Prior to joining Avantor, Dr. Brophy held a variety of research and development, strategy, advanced systems, and business development positions with GE Healthcare Life Sciences, GE Healthcare Medical Diagnostics and Amersham for nearly 30 years. Dr. Brophy earned a Bachelor of Science in biotechnology, as well as a doctorate in molecular biology from Dublin City University in Ireland.

Christophe Couturier

Executive Vice President, Services

Christophe Couturier is our Executive Vice President, Services. He has over 20 years of strategic leadership experience in the life sciences industry. Mr. Couturier is responsible for our Avantor global Services business unit, supporting our customers' operations with a full suite of offerings including: lab and production services; equipment services; procurement and sourcing services; clinical and biorepository services; and commercial kitting services. In addition, he leads the Avantor Business System and its associated LEAN processes, as well as our Integration Management Office. Prior to joining Avantor, he led business areas of services, merger integration, general management, finance and consulting at life sciences companies, including more than a decade with MilliporeSigma. Mr. Couturier earned a Master of Science in Management from ESSEC Business School in France.

Sven Henrichwark

Executive Vice President, Asia Pacific (APAC)

Sven Henrichwark is our Executive Vice President, Asia Pacific (APAC). He has extensive leadership experience in the biotech, life science and medical technology industries. Mr. Henrichwark leads all commercial activities for our business in APAC. He is responsible for building our presence, with a special focus on China, by leveraging our broad range of capabilities, services and products. Prior to joining Avantor, Mr. Henrichwark spent more than 12 years at GE Healthcare including General Manager, Business Operations & Service for APAC. He also was General Manager, Global Commercial Bioprocess for GE Life Sciences, where he led commercial activities for biomanufacturing and the Protein Science business. Mr. Henrichwark also led medical technology investment activities for SPRIM Ventures and was CEO of Echosens, a medical technology company. He earned a Master of Science in microbiology from University of Duesseldorf.

Justin Miller

Executive Vice President, General Counsel and Secretary

Justin Miller is our Executive Vice President, General Counsel. In his current role, Mr. Miller leads our global Legal organization. Prior to assuming his current position, Mr. Miller served as an attorney at Ballard, Spahr, LLP, an American Lawyer top 100 firm. Mr. Miller also spent 20 years in various leadership positions at DuPont, most recently as Associate General Counsel and Chief Litigation Counsel. In addition to his background in securities and corporate governance, he has extensive commercial experience in pharmaceuticals, electronic materials, and biotechnology. Mr. Miller earned a bachelor’s degree in political science from University of Pennsylvania and a Juris Doctor degree from George Mason University School of Law in the United States.

Mark Murray

Executive Vice President, Biomaterials and Advanced Technologies

Mark Murray is our Executive Vice President, Biomaterials and Advanced Technologies. Mark brings extensive global sales leadership and general management experience in key related industries, including medical-grade materials. Mr. Murray leads the innovation and commercialization of our specialized biomaterials and high-purity silicone (NuSil) products. Prior to joining Avantor, he led strategic sales and marketing roles at McKinsey, Honeywell and most recently served as Vice President Global Sales, Material Solution at Celanese. He also led the company’s Global Emulsions & Ethylene Vinyl Acetate Performance Polymers business, including medical-grade materials used in tubing and packaging and excipients for pharmaceutical and medical device applications. Mr. Murray earned an MBA and Master of Engineering Management from Kellogg School of Management at Northwestern University and a bachelor’s degree in chemical engineering from The University of Texas.

Devashish Ohri

Executive Vice President, India, Middle East and Africa (IMEA)

Devashish Ohri is our Executive Vice President for the Indian Subcontinent, Middle East and Africa (IMEA). He has strategic commercial leadership experience within the life sciences, biotechnology and pharmaceutical industries. Mr. Ohri leads sales, marketing and customer service for our business in IMEA. He played a key role in expanding our capabilities and infrastructure across the broader AMEA region. Prior to joining Avantor, Mr. Ohri served as Managing Director, South Asia for Life Technologies. Mr. Ohri earned an MBA from INSEAD and a bachelor’s degree in history from St. Stephen’s College. He also attended the Advanced Management Program at Harvard Business School.

Frederic Vanderhaegen

Executive Vice President, Americas and Europe

Frederic Vanderhaegen is our Executive Vice President, Americas and Europe. He has a tenured background in strategic leadership in the life sciences, biopharmaceutical, medical device and research industries. Mr. Vanderhaegen leads our sales, marketing and customer service functions in both the Americas and Europe regions, as well as our global Sourcing and Laboratory Products Groups focused on solution-selling for critical workflows. Prior to joining Avantor, Mr. Vanderhaegen held leadership positions in organizations within the biopharma and life sciences industries, including Beckman Coulter, Tecan Group and MilliporeSigma. Most recently, he served as Vice President and General Manager, Europe, Middle East & Africa at Ortho-Clinical Diagnostics, leading sales and services. Mr. Vanderhaegen earned an MBA from The Open University Business School and also holds engineering degrees in biochemistry and chemical engineering.

Mike Wondrasch

Executive Vice President and Chief Information Officer

Mike Wondrasch is our Executive Vice President and Chief Information Officer. In his current role, Mr. Wondrasch is responsible for all aspects of our Company’s global information and digital technology, including e-commerce, digital marketing and cyber security. Prior to joining Avantor, Mr. Wondrasch led IT organizations at Fortune 100 companies, including PepsiCo, AmerisourceBergen and Mars. Most recently, he served as Global Chief Technology Officer for Bunge, a leading agribusiness and food company. He holds a Bachelor of Science in computer science from Villanova University in the United States and a Master of Science in computer engineering from the University of Pennsylvania.

Avantor®, a Fortune 500 company, is a leading global provider of mission-critical products and services to customers in the biopharma, healthcare, education & government, and advanced technologies & applied materials industries. Our portfolio is used in virtually every stage of the most important research, development and production activities in the industries we serve. One of our greatest strengths comes from having a global infrastructure that is strategically located to support the needs of our customers. Our global footprint enables us to serve more than 225,000 customer locations and gives us extensive access to research laboratories and scientists in more than 180 countries. We set science in motion to create a better world.