Proven, visionary management is critical in our pursuit of solutions that help pharmaceutical manufacturers release new breakthroughs faster, safer, and more efficiently for patients worldwide.
President & CEO
Rob Spignesi has more than 20 years of leadership experience. Before joining Rapid Micro Biosystems, he was Vice President and General Manager, Americas, for the Microbiology Division of Thermo Fisher Scientific.
Previously, Mr. Spignesi was the VP of Global Strategy, Marketing, and Business Development for Fisher Scientific. He has also held senior positions at McKesson Corporation and its affiliates, including EVP Operations and Development and National Vice President of Sales and Business Development.
Earlier in his career, Mr. Spignesi was a senior consultant within the Life Sciences and Healthcare practice of Deloitte Consulting and an aviation officer with the U.S. Army.
Mr. Spignesi holds a BS in Economics from the United States Military Academy at West Point and an MBA from Columbia University, where he was the Dr. Donald Bibeault Scholar.
Chief Financial Officer
Sean Wirtjes has over 30 years of broad financial experience in the healthcare and technology industries. Most recently, he served as Vice President, Finance and Controller of Asia Pacific, Middle East and Africa (AMEA) for Boston Scientific, a manufacturer of medical devices. In this role, he led all aspects of financial management for the AMEA region, as well as providing regional oversight for the strategic pricing, reimbursement, supply chain, and business development functions.
Previously he served as Vice President of Investor Relations at Boston Scientific, in progressive roles at Varian, Inc. including Vice President and Controller and Vice President, Finance and Treasurer, and as Corporate Controller at Quova. He began his career with PricewaterhouseCoopers, serving emerging, high-growth clients across the healthcare and technology industries.
Mr. Wirtjes holds a BS in Accounting from the Carroll School of Management at Boston College. He is a Certified Public Accountant and a member of Financial Executives International (FEI) and the Association of Financial Professionals (AFP).
Senior VP Global Sales & Marketing
Senior Director Strategy & BD
Vaidehi Ambatipudi has over 17 years of experience in Strategy, Business Development and Business Analytics roles across various industries. Before joining Rapid Micro Biosystems, she served as the Director of Strategy and Business Development at Cytiva and Pall Biotech (Danaher), where she successfully led numerous initiatives that drove growth and strategic direction.
Previously, Vaidehi held progressive Strategy and BD roles at Thermo Fisher Scientific, Mitchell International and Boston Consulting Group. She began her career leading Analytics teams at Sears Holdings and HSBC.
Vaidehi holds an MBA from INSEAD, France and Mechanical Engineering degrees from Purdue University, Indiana and Indian Institute of Technology Madras, India.
Senior VP Legal & Secretary
Mr. Xu earned his bachelors’ degrees in Economics and Political Science from the University of California, Davis, and his juris doctor degree from Harvard Law School.
Senior VP Human Resources
Previously, she served as Vice President, Human Resources at Mimecast, a high-growth, cyber-security company where she partnered with several members of the C-suite to strategically build and scale their teams.
Ms. Jarvie holds a Chief Human Resources Officer Executive Program certificate from Wharton Business school, a Master of Science in Human Resources from Suffolk University, and a Bachelor of Arts in Corporate Communications from Framingham State University.
VP Research & Development
Todd Ballantyne has over 30 years of research and development experience covering complex electro-mechanical systems for a variety of industries including life sciences, medical devices, machine vision and defense.
Most recently Mr. Ballantyne led the Rapid Micro Biosystems software and vision teams, delivering innovation and improved customer experience for the Growth Direct® System. Prior to joining Rapid Micro Biosystems, Mr. Ballantyne held a range of roles including leading the Medtronic Hugo™ surgical robotics software team and the DEKA R&D Vivia hemodialysis systems team.
Early career experiences included developing real-time embedded systems for a self-balancing wheelchair, a compression-distillation water purification device, the Coca-Cola Freestyle soft drink dispenser, video capture drivers, and military flight control computers.
Over his career Mr. Ballantyne has been a named inventor on patents ranging from computer backplane networking to surgical robotic arm control.
Mr. Ballantyne earned his BA in Physics from Juniata College and his MS in Computer Science from Florida Tech.
VP Global Field Service & Validations
Kham Nguyen is Vice President of Global Field Service & Validations at Rapid Micro Biosystems, where he leads global service operations, validation services, and technical support for the company’s Growth Direct® platform.
With more than 16 years at Rapid Micro Biosystems, Kham has held leadership roles across applications, validations, sales, and global service. He has been instrumental in building and scaling the company’s service and validation organization into a critical driver of customer success and recurring revenue.
Since assuming leadership of the global service organization in 2022, Kham has driven significant improvements in operational performance, including increased system uptime, reduced unplanned service events, and enhanced service efficiency across a global installed base. He leads a distributed team supporting customers across North America, Europe, and Asia-Pacific in highly regulated pharmaceutical and biotechnology environments.
Earlier in his career, Kham led the development and expansion of the company’s global validation services function and served in commercial leadership roles during a period of strong system adoption. His cross-functional experience enables him to align service strategy with broader business objectives, including long-term customer retention and lifecycle value.
Kham is recognized for his execution-focused leadership style, commitment to building high-performing teams, and ability to scale global operations in complex, regulated markets.