3D printing wouldn’t exist if not for Leonid. A legend in the world of 3D modeling software, Leonid is the architect of Pro/Engineer 3D computer aided design (CAD) software. He co-founded Rize and leads the company’s software development efforts. Previously he founded and served as Vice President of Revit Technology Corporation, which was later sold to Autodesk where he continued on as Vice President of Revit. He graduated from St. Petersburg State University in the Russian Federation.