Over 50 combined years of medical practice and product innovation
Leadership Team
Evan C. Unger, MD, FACR
Founder and CEO
Evan Unger M.D. is a renowned expert on ultrasound contrast media. He founded MVT to advance the field of ultrasound contrast agents and theranostics. Dr. Unger has also founded three other biotech companies and currently serves as the Executive Chair of NuvOx Therapeutics. His first company, ImaRx Pharmaceutical, developed 3 FDA-approved drugs, including Perflutren, the world’s #1 selling ultrasound contrast agent. ImaRx Pharmaceutical was acquired by DuPont, yielding a > 20x ROI. Dr. Unger’s second company, ImaRx Therapeutics, went public and performed clinical trials using ultrasound and microbubbles to treat ischemic stroke. Dr. Unger co-founded NuvOx, a clinical-stage biotech company that is in Phase II trials for stroke and brain cancer. He is a co-inventor on the issued U.S. patent covering MVT-100 and also an inventor on over 120 other issued US patents. He is a board-certified radiologist and has an appointment as a Professor of Radiology and Biomedical Engineering at the University of Arizona.
Emmanuelle J. Meuillet, PhD
Chief Operating and Scientific Officer
Emmanuelle J. Meuillet is an accomplished scientist, inventor, entrepreneur, and biotechnology leader with extensive expertise in drug discovery, development, and translational research. Dr. Meuillet earned her PhD in Biochemistry and Pharmacology from Louis Pasteur University in France and subsequently served as an Associate Professor at the University of Arizona. Throughout her career, Dr. Meuillet has led and managed numerous NIH- and DoD-funded programs spanning oncology, experimental therapeutics, and innovative biomedical technologies. She brings extensive experience managing multidisciplinary, national and international research programs, integrating scientific, translational, and business objectives to advance innovative therapeutic approaches. Dr. Meuillet is the co-founder of PHusis Therapeutics, Inc focused on advancing novel small-molecule therapeutics for oncology. Dr. Meuillet is the author of more than 60 peer-reviewed publications and reviews, an inventor on seven issued patents, and has served on the editorial boards of several specialized oncology journals. She joined Microvascular Therapeutics in 2018, where she has continued to contribute her expertise in translational science, therapeutic development, and biotechnology innovation.
Thom Tulip, PhD
Chief Business Officer
Seasoned business executive with 30+ years in the field of imaging. Tulip has decades of experience developing and successfully commercializing imaging agents, which have enabled improved patient management in cardiology, oncology, and neurology. He initiated the licensing of what became Definity from Prof. Unger to DuPont Medical Imaging and led the approval and launch of the ultrasound contrast agent in non-US geographies as VP of International Operation at BMS Medical Imaging, now Lantheus. He has been instrumental in the regulatory approvals of more than fifteen (15) new chemical entities and expanded indications and has successfully launched numerous clinical imaging agents. Most recently, he was CBO at Radiopharm Theranostics, a clinical-stage biopharma company developing breakthrough cancer imaging biomarkers and therapies.
Chief Medical Officer
Marty Rosenberg, MD
Dr. Rosenberg is a graduate of Temple University School of Medicine and trained in general surgery at Albert Einstein Medical Center in Philadelphia. He joined Squibb Diagnostics in 1990 and worked on the clinical development and approval of two novel oral contrast agents from ImarX pharmaceuticals: SonoRx and LumenHance. In 1996, he was hired by Bristol-Myers Squibb Medical Imaging, formerly DuPont Pharma, to develop the ultrasound contrast agent Definity (DMP-115), also invented by Imarx pharmaceuticals. Dr. Rosenberg is currently working for Bayer Radiology where he led the initial approval and additional indications for Gadavist in the US.
Board of Directors
Evan C Unger, MD
Chairman of the Board
Timothy Healey, BS, MBA
Tim Healey is a seasoned pharmaceutical executive who has developed and implemented innovative launch and commercialization models over his career. Mr. Healey has served as Chief Commercial Officer of Tenax since 2026. He most recently served as CCO at Eversana Life Science Services, where he strategically led the launch and commercialization efforts for a number of biopharmaceutical companies across a range of therapeutic areas. Prior to Eversana, Mr. Healey served as Senior Vice President, Commercial at Lantheus where he led a global staff spanning all commercial functions across the company’s product portfolio. Previously, he served as Vice President, US Virology at AbbVie and before that, as Senior Vice President, Commercial at AMAG Pharmaceuticals. Earlier in his career, he served in marketing and sales roles of increasing responsibility at Sepracor, Inc., Aventis, Hoechst Marion Roussel, and Marion Merrell Dow. Mr. Healey received a BS from Boston College and an MBA from Babson College.
Todd Huckins
Todd Huckins is a retired financial executive with over three decades of experience in institutional fixed income sales and leadership positions at top financial firms. Throughout his career, Todd was known for his expertise in managing large-scale financial transactions, fostering client relationships, and leading teams in the fast-paced financial world.
Todd’s career began at Smith Barney (1984-1990), where he worked in municipal institutional sales, before moving to Alex. Brown & Sons (1990-1996), where he was a Principal and managed the San Francisco municipal sales and trading desk. He continued to expand his leadership role at Stone & Youngberg (1996-2011) as Managing Director, institutional fixed income sales, and served as a partner and board member. Todd concluded his professional career at Stifel Financial Corp. (2011-2015) as Managing Director in the institutional fixed income division.
Shiv Kapoor, BA, MBA
Shiv Kapoor has over 25 years of experience in business strategy, finance, investments, investor relations, research and regulatory fields in companies such as Johnson & Johnson, Citigroup, Montgomery & Co., Alza Corporation, and Spectrum Pharmaceuticals. He is also the founder of cancer focused biotechnology company, BioRamon Pharmaceuticals. Mr. Kapoor has been a top ranked analyst on both the buy and sell sides of Wall Street. His opinion on the US Biotechnology sector has been widely quoted in leading US media including CNN, CNBC, Bloomberg, and Barron’s Guide. Mr. Kapoor holds a BA in Biochemistry UC Berkeley, and an MBA from The University of Chicago Booth School of Business.
George Kokke
George is a retired executive and investment strategist with over three decades leading capital allocation and strategic growth within the single-family office sector. He served as the Chief Investment Officer at BARDOS LLC, where he directed comprehensive portfolio management across an array of complex asset classes, including private equity, venture capital, real estate, hedge funds, equity and fixed income. His career was defined by an ability to navigate volatile market cycles while preserving and scaling multi-generational wealth. George brings an investor's discipline and a rigorous approach to corporate fiduciary responsibilities. He possesses sharp acumen in evaluating market risks, structural finance, and cross-sector investments. Having spent decades closely monitoring and advising portfolio companies on long-term sustainability, succession planning, and executive performance, he excels at aligning corporate management teams with stakeholder objectives. Mr. Kokke received his BS is Business Administration (Finance Major) from the University of Arizona.
Board of Scientific Advisors
John Pacella, MD, MS
Dr. John Pacella is an Interventional Cardiologist within the University of Pittsburgh Medical Center (UPMC) Heart and Vascular Institute. He is an Associate Professor of Medicine and Bioengineering at the University of Pittsburgh and holds an adjunct appointment as an Associate Professor of Biomedical Engineering at Carnegie Mellon University. He earned his bachelor’s degree in mechanical engineering with a biomedical emphasis from Carnegie Mellon University, his master’s degree in mechanical engineering from Lehigh University, and his medical degree from the University of Pittsburgh. Dr. Pacella is an accomplished researcher with interests broadly spanning microcirculation, sonothrombolysis, novel interventional cardiology device design, portable ultrasound, and novel microbubble formulations. He has worked on numerous grants from a variety of funding sources, has published many articles in peer-reviewed journals, and regularly presents at national and international conferences. He holds 6 patents and has received several awards for his research, including the prestigious American Society of Echocardiography Arthur E. Weyman Young Investigator Award.
Charles Garrison, MD
Dr Charles Garrison is certified by the American Board of Pathology in Anatomic and Clinical Pathology and previously served as Director of Pathology Services at West Paces Medical Center in Atlanta. He is a fellow of both the American Society of Clinical Pathologists and the College of American Pathologists. Dr Garrison is a serial entrepreneur, having founded multiple successful companies including Genetics and Laboratory Medicine Inc (acquired by a national reference lab), The Georgia Tissue Bank (acquired by the largest tissue banking organization in the US), Helical Sciences Laboratory as a division of Genetics and Laboratory Medicine, and Cell Dynamics LLC. Dr Garrison is now retired from medical practice and has become an avid angel investor, having invested in over 70 startups in the areas of biotechnology, biopharmaceuticals and medical devices. He is a member of Keiretsu Forum NW (Vancouver).
