Biotricity Inc. announced that Dr. John Simpson will serve as Chair of its Scientific & Medical Alliance Board. Dr. Simpson is credited with inventing and commercializing the first over-the-wire balloon catheter used for percutaneous transluminal coronary angioplasty (PTCA). He joins a roster of advisory board members who support Biotricity’s research and development with a focus on scientific and clinical excellence. Over the course of his storied medical technology career, Dr. Simpson has founded and successfully exited companies like ACS and DVI (both acquired by Eli Lilly), CVIS (acquired by Boston Scientific), Perclose (sold to Abbott), Lumend (acquired by Cordis), and Fox Hollow (acquired by ev3 which is now part of Medtronic). Dr. Simpson received his PhD in Immunology from the University of Texas, his MD from Duke University, and completed his fellowship in interventional cardiology at Stanford University.