Dr. Arjun Kalyanpur
Chief Radiologist and Founder
Dr. Arjun Kalyanpur is the Chief Radiologist and Founder of dAIgnostiX. A globally recognized radiologist and healthcare entrepreneur, he brings more than two decades of experience in teleradiology, medical imaging, artificial intelligence, and healthcare innovation.
Dr. Arjun founded Teleradiology Solutions and developed it into a globally recognized teleradiology provider. Under his leadership, Telerad Tech and Image Core Lab have expanded the group’s capabilities in healthcare technology, radiology AI, and clinical research, creating an integrated ecosystem for diagnostic innovation.
Dr. Arjun completed his medical training at AIIMS, Cornell University Medical Center, and Yale University. He is board-certified by the American Board of Radiology and has completed fellowship training in Body Imaging and Neuroradiology. He has authored total of over 300 research publications, conference presentations, book chapters, talks, and articles, and has received multiple recognitions for his contributions to healthcare innovation and entrepreneurship.
Dr. Sunita Maheshwari
Co-founder
Dr. Sunita Maheshwari is a co-founder of dAIgnostiX. A Pediatric Cardiologist and medical entrepreneur, she brings more than three decades of experience in clinical care, digital health, medical education, and healthcare innovation. She contributes to shaping the company’s vision, strategic direction, and long-term growth.
Dr. Sunita is a serial entrepreneur having co-founded Teleradiology Solutions, Telerad Tech, Image Core Lab and a primary care chain- RxDx Clinics. Alongside her clinical and entrepreneurial work, she has built a distinguished academic career, with more than 200 scientific presentations and publications. In addition to starting two foundations- People4People and Telerad Foundation, she also serves on the boards of HDFC Bank and GSK Pharma, chairing their CSR committees.
Dr. Sunita completed her MBBS at Osmania Medical College, followed by post-graduation at AIIMS, New Delhi and Yale University. She is American board-certified in Pediatrics and Pediatric Cardiology, was President of the Pediatric Cardiac Society of India and has received numerous national and international recognitions for her contributions to healthcare innovation and medical education.
Mr. Stuart Quin
Director
Stuart Quin is a member of the Board of Directors at dAIgnostiX. He brings nearly two decades of leadership experience across healthcare, diagnostics, pharmaceuticals, and private equity, providing strategic guidance to support the company’s long-term growth and innovation.
Prior to dAIgnostiX, Stuart served as CEO of Medica Group PLC, where he led the company’s international expansion and broadened its capabilities in clinical trial imaging and digital pathology. Earlier, he established and scaled Labco’s UK business before taking on senior leadership roles at Synlab, overseeing commercial strategy and regional operations across 15 countries.
Stuart holds a BSc (Hons) in Immunology from the University of Edinburgh, a PhD in Immunology from Imperial College London, and an MBA from INSEAD. He is also a Fellow of the Royal Society of Medicine and the Royal Geographical Society.
Ms. Rekha Ranganathan
Chief Executive Officer
Rekha Ranganathan serves as Chief Executive Officer of dAIgnostiX. With over two decades of experience spanning healthcare, digital solutions, artificial intelligence, and business transformation, she drives the company’s strategic direction and growth, with a sharp focus on patient and customer outcomes and meaningful innovation.
Throughout her career, Rekha has spearheaded transformation across global healthcare organizations including GE HealthCare, Philips, Boston Scientific, and CAE Healthcare. She served as Senior Vice President and General Manager of Imaging Digital Solutions at GE HealthCare, leading digital, software, and AI solutions across imaging, and previously held the role of President and CEO at CAE Healthcare, alongside senior leadership positions at Philips and Boston Scientific. Her leadership is grounded in accountability, collaboration, systematic problem-solving, and responsiveness to customers and teams.
Rekha holds an MBA in Entrepreneurial Marketing and Strategy from The Wharton School, an M.S. in Materials Science and Mechanical Engineering from the University of California, Berkeley, and a B.Tech. in Metallurgy from IIT Madras.
