The Solesis Team

John Witkowski joined Solesis in 2024 as the President & CEO. He is responsible for developing the strategic priorities for Solesis and executing world-class business operations to support customers and drive long-term, sustainable growth.

With close to 30 years of experience across the medical device and biopharmaceutical industries, John has extensive experience in leading organizations through periods of significant growth and innovation. Most recently, he served as the President of DSM Biomedical, the global biomaterials division of dsm-firmenich. His strong track record of growth, both organically and via Mergers & Acquisitions, positions Solesis to achieve long-term, sustainable growth.

John holds a Bachelor’s degree in Industrial Engineering from Georgia Institute of Technology and a MBA from Iona College. He currently is a Board member for PA Life Sciences and Unshattered, a non-profit organization focused on ending the addiction relapse cycle.

Jeff Robertson serves as Chief Operating Officer of Solesis and President of the Secant Group, SanaVita Medical, and Charter Medical. He joined Secant as a vice president in 2011, during which time he managed the strategic oversight of business development, marketing, client accounts, product development, and operations.

Previously, Jeff worked at ARmark Authentication Technologies, LLC, a wholly owned subsidiary of Adhesives Research, Inc. Robertson co-developed ARmark Authentication Technologies in 2005 and served as the director and general manager.

Previously, Jeff held various positions at Adhesives Research including general manager of a global business unit. He began his career in pharmaceutical sales at Bristol-Meyers Squibb and handled the opening of a new state organization for Bock Pharmaceuticals. Jeff earned a master’s in business administration from Kennedy-Western University and a bachelor’s degree in Bio-Behavioral Science (pre-med) from Colby College.

Chris Edwards joined the Solesis team in 2013. He is responsible for all finance activities across the Solesis operating companies: Secant Group, SanaVita Medical, and Charter Medical. As CFO, Chris oversees the development and expansion of the business.

Previously, Chris worked for Bristol-Myers Squibb, ConvaTec, and Syneos Health, in Europe, the Middle East, Africa, and the United States, which gave him a solid underpinning in global finance. Chris has spent time building finance teams, setting up shared services models, supporting senior leadership, and managing acquisitions and divestitures.

In his leadership role, Chris is instrumental in pursuing the division’s business development strategies and focuses on guiding and developing the financial leadership teams at Solesis’s operating companies.

Chris holds a master’s in business administration from the Manchester Business School, UK, and is a chartered global management accountant (CGMA) qualifying in Liverpool, UK.

Lindsay Walker joined Solesis in 2023 as the Vice President/Head of Human Resources. She is responsible for developing the overall employee culture, people development, and talent acquisition strategies and programs for Solesis. Her experience has centered around a transformational business partner-centric approach to Human Resources for high-growth environments. As a self-professed culture champion, Lindsay takes a proactive approach to building and evolving the cultural aspect of organizations, whether organically or through integrating new organizations through mergers and acquisitions.

Lindsay has held various global Human Resources roles over the last 20 years, primarily in the medical device and pharmaceutical sectors. Previously, Lindsay was the Global Vice President for Human Resources for the Healthcare Division of TekniPlex. Prior to that, she was Global Vice President for Human Resources Business Partnering & Talent for BTG plc, where she played a key role as part of the Project Management Office integrating BTG into Boston Scientific.

Lindsay holds a bachelor’s degree in business management and psychology from Albright College along with several HR certifications, including a PHR, CPTD, and SHRM-CP.