Who We Are



amit vohra, PhD, MBA

Chief Executive Officer and President

Promaxo is led by Dr. Amit Vohra who is a serial entrepreneur, business strategist and advisor to several healthcare and technology startups.

Michael Bartholomew, MS

Chief Commercialization Officer

Mr. Michael Bartholomew is the Chief Commercialization Officer for Promaxo.

Dinesh Kumar, PhD, MBA

Chief Operations Officer

Dr. Dinesh Kumar serves as the Chief Operations Officer at Promaxo.

Aleksander Nacev, PhD

Chief Technology Officer

Dr. Aleksandar Nacev serves as the CTO at Promaxo.

Irving Weinberg, MD, PhD

Chief Medical Officer

Dr. Irving Weinberg is the President of Weinberg Medical Physics LLC (WMP) and the inventor of our platform MRI technology.


Ashutosh (Ash) K Tewari, MD

Dr. Ashutosh K. Tewari is the Chairman of Urology at the Icahn School of Medicine at Mount Sinai Hospital in New York City.

Neal D Shore, MD

Dr. Neal Shore is the Medical Director for the Carolina Urologic Research Center.

Vipul R Patel, MD, FACS

Dr. Vipul Patel is the medical director of the Global Robotics Institute at Florida Hospital Celebration Health and medical director of the Florida Hospital Cancer Institute Urologic Oncology Program.

Nejd F Alsikafi, MD, FACS

Dr. Nejd Alsikafi is founder of the Chicago Center for Urologic Reconstruction and Trauma.

Robert Waterhouse Jr, MD, MBA

Dr. Robert Waterhouse Jr is a physician executive with expertise and leadership experience in health care innovation, strategy, team development, operations, quality improvement, and revenue production in hospital, academic, and private medical practice organizations.

Bilal Chughtai, MD

Dr. Bilal Chughtai is an Assistant Professor of Urology at Weill Cornell Medical Center, specializing in voiding dysfunction in both males and females.

Kamal Patel, MD

Dr. Kamal Patel joined Cancer Treatment Centers of America (CTCA) after serving as chief radiation oncology resident at Oregon Health & Science University hospitals in Portland.

William Tom Amick

Mr. William Thomas Amick served as the Chief Executive Officer and President of Dendreon Corp. Prior to Dendreon, he was the Chief Executive Officer of Discovery Laboratories and Executive Chairman and CEO of Aldagen, Inc.