Chief Executive Officer
Marc Buntaine was appointed the Chief Executive Officer for IMRIS, Deerfield Imaging 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.
Sr. Vice President
Research & Development
Peter is a successful R&D leader with vast experience delivering innovative products, focusing on
cross-functional development and business line portfolio management processes throughout multiple
industries and businesses. Peter has been in the medical device industry for over 13 years, and has held
several leadership roles at benchmark organizations like Baxter, Covidien, and Philips.
Most recently, Peter held several leadership roles at Philips within the Diagnostic Imaging business
units, including leading R&D for the X-ray business unit from Hamburg, Germany and the MR Advanced
Clinical Solutions team in the U.S. He was also a co-founder and R&D leader for the Radiology
Solutions business unit, and in his most recent assignment as Sr. Director, Diagnostic Imaging
Idea-to-Market Team, Peter was responsible for improving strategic customer engagement, Diagnostic Imaging
business positioning, and critical product quality improvements.
Peter earned his Bachelor’s degree in Mechanical Engineering and Product Design at Stanford University.
Quality & Regulatory
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
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.
Global Customer Service
Kristi brings over 20 years of operations and technical services leadership within the medical device
industry and healthcare. Most recently, she worked at Allina Health, where she held a project management
role, and prior to that she spent the majority of her career at ACIST Medical Systems, where she led
their Global Service Operations team.
Kristi will help IMRIS continue to build upon our current successes and lead us through key improvement
opportunities. Kristi is an accomplished professional who brings strong leadership and industry
experience to IMRIS.
Kristi has a Bachelor of Science degree in Electrical Engineering from North Dakota State University.
Finance & Operations
Shawn brings +15 years of finance and operations leadership from many diversified industries and
businesses. He has held leadership positions at Agiliti, Renewal by Andersen, Stratasys, and St. Jude
Shawn has a proven track record of helping companies deliver substantial above market growth, with a
strong focus on operational excellence all while supporting the highest customer satisfaction and
experience. He has a relentless passion for strategic business growth, operational execution, and
IT, Clinical & Sales Operations
Chris leads the Information Technology, Clinical and Sales 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
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
Marketing & 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.
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.
BOARD OF DIRECTORS
Gregory Sorensen, MD
Executive Chairman of the Board of Directors
Dr. Gregory 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
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.
David Clark, JD
David is a Partner and General Counsel at Deerfield Management who serves as a member of the Private
Transactions team. David joined Deerfield Management in 2009 with more than 30 years’ experience as a
lawyer and business executive. Prior to Deerfield Management, David spent 10 years as a transactional
lawyer with the Charlotte, North Carolina, firm of Robinson, Bradshaw & Hinson, where he led the
firm’s pharmaceutical practice. Previously, David was with United Dominion Industries, a diversified
manufacturing company where he served as a legal, corporate development, and international operations
officer. David received an A.B. from Dartmouth College and a J.D. from The University of Texas at Austin.
Executive Board Member
Steve has helped build, launch and grow innovative companies that have changed not only the healthcare
industry, but the world.
Now, as a partner on the Private Transactions team at Deerfield Management, Steve is leveraging more than
2 decades of experience.
Steve’s credentials include:
- Senior Vice Chairman of the Mount Sinai Health System, an integrated healthcare delivery system with
over $5 billion in annual revenues.
- Co-Founder and Manager of Ascent Biomedical Ventures, a leading venture capital firm focused on
early-stage investment and development of biomedical companies.
- Graduate of the Harvard Business School
Will Curry, MD
Executive Board Member
Dr. Curry currently is the Co-Director of Mass General Neuroscience, Director of Neurosurgical Oncology at
Massachusetts General Hospital, and the Adeline Wydotis Professor of Neurosurgery at Harvard Medical
A native of New York, he graduated from Harvard College in 1993 and attended Cornell University Medical
School, attaining his MD in 1997. From there, he returned to New England, beginning his training in
Neurosurgery at Mass General under Dr. Robert Martuza. After serving as Chief Resident, Dr. Curry was
appointed to the full-time Neurosurgery staff at Mass General in 2004. He is a highly regarded surgeon and
a productive researcher, having published in excess of 100 peer-reviewed manuscripts. Dr. Curry has
pioneered numerous clinical and academic programs within Mass General, including establishing the Division
of Neurosurgical Oncology, introducing a minimally invasive skull base surgery program, developing a brain
tumor immunotherapy research center, and serving as one of the inaugural Co-Directors of Mass General
Neuroscience, a multi-disciplinary initiative that aims to change the way we evaluate and treat patients
with brain disease and to collaboratively tackle the most pressing research questions.
Dr. Curry also currently serves on the Executive Committee of the Massachusetts General Physicians’
Organization, the General Executive Committee of the Massachusetts General Hospital, and the Board of
Trustees of The General Hospital Corporation (DBA Massachusetts General Hospital).
Dr. Curry resides in Chestnut Hill, Massachusetts with his wife Rebecca Nordhaus and daughters Annabel
(12), Margot (10), and Alexandra (10). In his spare time, Dr. Curry enjoys time with family, athletics,
and all forms of music.
Executive Board Member
Rick has over 30 years of experience in executive leadership roles transforming medical device businesses
to fast growing and valuable enterprises. Currently, Rick is executive chairman and a board member at
Conventus Orthopaedics and Flower Orthopedics. Both are Deerfield Management portfolio companies.
Previously, Rick was President and CEO at OMNI Life Sciences, Inc., another Deerfield Management portfolio
company. Under his leadership, OMNI grew quickly, leading the Corin Group to acquire OMNI. Prior to his
role at OMNI, he served as President and CEO of Sonoma Orthopedic Products, transforming Sonoma from a
declining business into a rapidly growing company. Sonoma was acquired by Arthrex. Rick also served as
Ellman International’s CEO, VPGM at V. Mueller’s (Cardinal Health) and as Vice President in prominent
organizations including Baxter International and Cardinal Health. Rick earned a BS in engineering from the
University of Illinois, Urbana-Champaign, an MS in Mechanical Engineering from Stanford, and an MBA from
the University of Chicago.