Board Of Directors

David J. McNally

President, Director

See bio in Leadership section.

John E. Barker

Director and Interim Chairman

Mr. Barker is a finance professional with general management experience. Mr. Barker previously acted as the Senior Vice President of Finance, Chief Financial Officer and in other senior executive positions at Zenon Environmental Inc. a Toronto Stock Exchange listed Company, from 2000 to 2006. Mr. Barker currently sits as a director and Chairman of the Audit Committee of Ecosynthetix Inc., a TSX listed Company. Mr Barker is a Fellow of the Chartered Professional Accountants of Canada and holds the FCMA designation. Mr. Barker has been a member of the Titan Board since 2009.

Stephen Randall

Chief Financial Officer, Director

See bio in Leadership section.

John E. Schellhorn


Mr. Schellhorn is a 32-year veteran of the medical technology industry, where he has held various senior management positions in the US, Canada and Asia/Pacific. He is currently President and CEO of Global Kinetics Corporation, a Melbourne, Australia headquartered company commercializing the world’s first objective measurement technology for patients with Parkinson’s Disease.  From 2012 to 2016, he was President and CEO of Monteris Medical Inc., a Canadian neurosurgery company which employed the world’s first MRI compatible robot. From 2010 to 2012 he was Chief Commercialization Officer of BÂRRX Medical, Inc. His other assignments have included CEO of Softscope Medical Technologies and V.P. /GM International, ACMI, Inc. He held various management positions within Boston Scientific, including Director of Sales and Marketing, Asia/Pacific; General Manager, Australia; and Vice President of Sales for the Microvasive Urology division. He earned a B.A, Summa Cum Laude, from Long Island University.   Prior to his commercial career, he served seven years as a U.S. Marine Corps officer and aviator.

Bruce G. Wolff, MD


Dr. Wolff is a Professor of Surgery at the Mayo Clinic College of Medicine and Emeritus Chair of the Division of Colon & Rectal Surgery, Mayo Clinic in Rochester, Minn. Dr. Wolff has been a member of the Mayo Clinic’s Surgical Administrative Committee since 2006. Dr. Wolff is a former President of the American Society of Colon and Rectal Surgeons, a former Director and President of the American Board of Colon and Rectal Surgery, and a former Vice President and Director of the Foundation for Surgical Fellowships.  He has been recently named as the next Executive Director of the American Board of Colon and Rectal Surgery.  Dr. Wolff has written extensively on colon and rectal surgery issues in almost 300 articles for various medical publications.