Company

Leadership

Marc Buntaine

Chief Executive Officer

Tracy Brinkmeyer

Sr. Vice President
Operations & Human Resources

Chris Myers

Vice President
Sales & Clinical

Alan Weinberg

Vice President
Engineering & Product Management

Joanne Branand

Vice President
Finance & IT

Dr. Ning Ke

Vice President & General Manager, China

Dr. Shahin Pourrahimi

President, SSI

Board of Directors

Matt Bergin

Executive Board Member

Alex Vargas

Executive Board Member

Gregory Sorensen, MD

Executive Chairman of the Board of Directors

Marc Buntaine

Chief Executive Officer

Biographies

Marc Buntaine

Chief Executive Officer

Marc was appointed the Chief Executive Officer for IMRIS in October 2021.

With more than 20 years of experience in the Medical Capital Equipment industry, Marc is a highly distinguished leader with a track record of successfully growing companies and market share through establishing long-term relationships with healthcare professionals and partners. He joins IMRIS with senior leadership experience as well as serving as CEO for several different high growth companies.

Throughout his career in med-tech devices, Marc has pioneered a number of new technologies that have become state-of-the art approaches in neurosurgery and oncology practices, including stereotactic radiosurgery, image guided surgery, image guided radiotherapy, and intraoperative imaging.

Marc holds a Bachelor’s Degree in Humanities from New College of Florida, and an MBA from Yale University. In his pre-medical device career, Marc worked in strategy consulting and corporate finance.

Tracy Brinkmeyer

Sr. Vice President
Operations & Human Resources

Tracy brings over 15 years of quality and regulatory leadership experience within the medical device industry. She is a results-oriented leader who is able to apply executive strategies and knowledge to improve business performance. She is passionate about leading change, organizational development, and continuous improvement.

Most recently, Tracy worked at Teleflex (Vascular Solutions) as a Quality Assurance Director. Prior to that, Tracy held numerous QARA roles at other benchmark medical device companies including Wright Medical (Tornier) and Boston Scientific. Tracy is an accomplished leader who brings extensive leadership and industry experience to IMRIS.

Tracy earned her Bachelor of Science degree in Mechanical Engineering from Iowa State University.

Chris Myers

Vice President
Sales & Clinical

Chris leads the Sales and Clinical teams at IMRIS. Previously, Chris held Director and Vice President roles in the Transportation and Distribution industries. Chris brings over 20 years of experience driving business value, leadership, process improvement, and strategic planning to organizations. In his last role at IDI Distributors, Chris successfully spearheaded the integration and rollout for strategic relationships with Amazon and Home Depot. Chris consistently delivers high quality results in an efficient manner and strives to align his teams with the overall goals and objectives of the organization.

Alan Weinberg

Vice President
Engineering & Product Management

Alan has 27 years of experience working in high technology medical device organizations in the positions of business development, strategic marketing and product management. He has commercialized medical technologies focused on imaging, image guided surgery, surgical laser and radiation therapy with applications in neurosurgery, interventional radiology, general surgery and laboratory diagnostics. He has held leadership roles in four medical device startups that were acquired and two organizations that went public. Prior to his career in medical devices, Alan was an aerospace engineer at the MIT Lincoln laboratory focusing on development and testing of aerothermal systems supporting pure research and Department of Defense initiatives. 

Alan holds a Bachelor of Science in Mechanical Engineering from Worcester Polytechnic Institute and a Master of Business Administration from Babson Graduate School of Business.

Joanne Branand

Vice President
Finance & IT

Joanne is a seasoned finance leader with over 25 years of experience in the manufacturing industry, primarily focused on the medical device sector. Joanne serves as the VP of Finance, IT and Procurement at IMRIS where she plays a pivotal role in shaping the company’s financial strategies for sustained growth and success. One of Joanne’s key strengths lies in her process improvement mindset which has fostered a culture of efficiency within the organization. Her tenure at IMRIS has been marked by significant developments in the finance department, aimed at enhancing the timeliness and transparency of reporting reliable data.

Prior to joining IMRIS, Joanne held a financial leadership position at  Abbott Laboratories. She holds a bachelor’s degree in Finance and Entrepreneurship from Syracuse University, and an MBA from Drexel University. 

Dr. Ning Ke

Vice President & General Manager, China

Dr. Ning Ke brings over 20 years of commercial leadership experience within the medical device industry. In 2010, he established the IMRIS China division, and today, under his strong leadership, both customer success and business performance are being driven. Dr. Ning is passionate about developing long-lasting relationships with clients, inspiring change, fostering organizational growth, and continual improvement.

Before joining IMRIS, Dr. Ning worked as a Diagnostic X-ray Modality General Manager at GE Healthcare China. Prior to that, he worked in a variety of sales and product development roles at various medical device companies, advancing to the positions of Global Value MR Leader and Regional MR Sales Manager. As a skilled leader, he brings to IMRIS a wealth of leadership, industry expertise, and a commitment to continued development.

Ning Ke earned his Bachelor’s degree in Medical Imageology from China Medical University.

Dr. Shahin Pourrahimi

President, SSI

Dr. Shahin Pourrahimi is the founder of Superconducting Systems Inc. (SSI) and is a successful developer of novel, high-performance, materials and technology for applications in superconducting magnets. Through Dr. Pourrahimi’s innovations SSI has been the first company to bring cryogen-free superconducting magnets to the pre-clinical MRI market and is leading the process of introducing point-of-care cryogen-free MRI Scanners for human applications.

Shahin has been the author of multiple US and international patents in superconducting magnet technology. Human MRI magnets designed and produced by SSI are in use in the US, Canada, India and China. Before entering private enterprise in 2000, Shahin was the Leader of the Superconductivity Group at the Plasma Science and Fusion Center at Massachusetts Institute of Technology from 1991-2000. He holds a Master’s degree in Materials Engineering and a PhD in Mechanical Engineering from Northeastern University.

Matt Bergin

Executive Board Member

Matt has over 15 years of middle market private equity investment experience. Formerly a Principal at Atlantic Street Capital (ASC), Matt worked on all aspects of the investment process with a particular focus on deal sourcing, due diligence, financing, and execution. Matt pursued investments in the healthcare, business services, consumer, and multi-unit retail sectors. Prior to ASC, Matt was a member of the investment team at the Watermill Group, focusing on the industrials and distribution sectors. Matt began his career in secondary private equity investing at Newbury Partners and investment banking at Lazard Frères & Co. Matt has a B.S.B.A. from Georgetown University. Matt lives with his wife and two daughters in West Palm Beach, FL.

Alex Vargas

Executive Board Member

Alex has more than 15 years of experience and most recently was a member of the executive team at Phoenix Tower International (PTI), a digital infrastructure platform backed by Blackstone. Since 2018, Alex led PTI’s Corporate Development division responsible for investment activity including sourcing, valuation, diligence, and capital raising. Alex began his career in investment banking at Barclays in New York City. Alex has a B.A. from Colgate University and an M.B.A. from the Wharton School of Business at the University of Pennsylvania. Alex lives with his wife and four daughters in West Palm Beach, FL.

Gregory Sorensen, MD

Executive Chairman of the Board of Directors

Dr. Sorensen is the Executive Chairman of the Board of Directors for IMRIS. He was appointed to the board of directors in October 2015. As head of the board of directors, Greg lends his expertise in research, innovative medical imaging technologies and clinical practice to guide the global strategy for IMRIS.

Before joining IMRIS, Greg served as the President and CEO of Siemens Healthcare North America. Leading up to his appointment with Siemens, Greg was a practicing neuroradiologist and active researcher with significant experience in clinical care, clinical trials, and served as Professor at Harvard Medical School in Boston, Mass. His research and techniques are utilized by numerous centers throughout the world in phase II and III trials in cancer, stroke, and other illnesses. He holds a B.S. in biology from California Institute of Technology, Pasadena, CA, an M.S. in computer science from Brigham Young University, Provo, Utah, and an MD degree from Harvard Medical School.