
President & CEO
Ari Schiff is the founder, President, and CEO of Leminal Diagnostics. A graduate of the U.S. Naval Academy and former Marine infantry officer, Ari earned his MBA from NYU Stern before working as an investment banker at Goldman Sachs and transitioning into building large-scale capital projects. He founded Leminal Diagnostics to deliver mobile and fixed PET/CT programs to health systems and specialty practices nationwide.

Vice President of Business Development
Brian Taaffe is Vice President of Business Development at Leminal Diagnostics. With senior roles at GE HealthCare, Vaso Healthcare, and Smith & Nephew, Brian brings extensive experience in commercial strategy, launching new businesses, and partnering with health systems to introduce advanced imaging technologies. At Leminal Diagnostics, he leads commercial efforts to expand access to cardiac PET/CT programs nationwide.

Business Development Manager
Matt Berman is a Business Development Manager at Leminal Diagnostics, leading sales efforts across Florida. His background spans orthopedic and spine hardware at Globus Medical and regenerative medicine at StimLabs, giving him a grounded perspective on the clinical and financial priorities that drive healthcare purchasing decisions. At Leminal, Matt is focused on expanding access to advanced diagnostic imaging and building lasting partnerships with the providers he serves.

Advisor — Interventional Cardiology
Dr. Jonathan Rosenberg is a board-certified interventional cardiologist, Clinical Assistant Professor at the University of Chicago Pritzker School of Medicine, and a fellowship-trained specialist in cardiovascular disease and interventional cardiology at the University of Chicago. A Northwestern University Feinberg School of Medicine graduate, he performs advanced structural and coronary procedures including TAVR, LAAO, and coronary stenting. He advises Leminal Diagnostics on clinical program design and the physician perspective on advanced cardiac PET/CT.
LDX owns the imaging assets it deploys and structures each program around the operational and financial requirements of the institution. Programs are supported by OEM service agreements and current-generation scanner technology, with flexibility in how staffing, billing, and day-to-day operations are managed.
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