Meet Vesta’s Leadership Team

Mark Stuart

General Manager

Mark Stuart brings over 20 years of experience leading thermoplastics and silicone operations in medical device and automotive markets. Focusing on customer service, he is passionate about developing winning business strategies and improvements in quality, delivery and efficiency. Mark’s philosophy is centered around motivating his team to continually seek better ways of meeting and exceeding customer expectations through technical solutions and service improvements. Mark is a graduate of the University of Strathclyde, Scotland, and has lived and worked in Europe, Asia and the US.

Vojna Andrle

Vice President, Quality and Regulatory

Vojna joined Vesta’s team in May 2013 seeking to leverage her success in streamlining quality systems to further strengthen Vesta’s position. Vojna draws on over 25 years of experience in global quality and regulatory affairs for medical device and pharmaceutical markets. In her past three Vice President roles, with Angiotech, American Medical Instruments, and Cardinal Health, Vojna oversaw quality operations for both domestic and European facilities. Vojna is a graduate of Barat College in Lake Forest, IL.

Tony Viramontes

Plant Manager of Vesta Thermoplastics Division

Tony Viramontes has driven medical device operations for over 25 years, working for companies such as Nellcor-Puritan Bennet, Medtronic, St. Jude Medical, Terumo and Creganna. He has had international assignments in: China, Mexico and USA to set up Extrusion Operations and Lean Methodologies. He holds a Bachelor of Science in Chemical Engineering and MBA from National Polytechnic Institute and UCI. He is also Black Belt Certified and loves to apply Lean Sigma methodologies to remove waste and constraints from the production process to improve efficiencies and enhance productivity.

Jon Hufman

General Manager, Specialty Silicone Division

Jon’s leadership is rooted in his determination to meet customers’ exact requirements; in specification, in compliance, and on time. Jon draws on experience in Product Development, Project Management, Business Development, and Operations enabling his team to partner with customers, contribute to their innovation, and deliver unique contract manufacturing solutions, while maintaining high quality assurance and regulatory compliance. Jon’s success is rooted in his belief in providing employees a positive work environment and encouraging creative solutions to meet customer’s needs. Jon has a BS in Polymer Engineering from Pennsylvania State University.

Rick Ellis

Vice President Engineering, Silicone Division

Rick Ellis brings more than 30 years of experience in successful product development, business development, and strategic planning to contribute further strength to Vesta’s executive management team. Rick focuses his leadership on delivering innovative and efficient medical manufacturing solutions to our customers. Rick’s leadership has been proven in the medical industry in prior roles at Hewlett Packard Medical, Philips Healthcare, Smiths Medical and Precision Dynamics. Rick has a Masters of Engineering and a B.S. in Mechanical Engineering from Rensselaer Polytechnic Institute.

Don Centell

Vice President of Engineering, Thermoplastics Division

Don Centell oversees the engineering department, including manufacturing, research and development, and new technologies. He also serves as a strategic resource for determining growth opportunities and for managing customer expectations. During his 21 years in the medical device industry, Don has developed significant expertise in working with thermoplastics, multilumens, balloons and tight-tolerance tubing at companies such as BSC/Fremont, B. Braun Medical and Guidant Corporation. He enjoys working for a company that encourages taking calculated risks in pushing the envelope and utilizing cutting-edge technologies. As a vice president, Don believes wholeheartedly in mentoring and giving opportunity to those who strive for it.

Contact Vesta to learn more »