Dr. Ranko Vujosevic

Chief Executive Officer and Chief Technology Officer

Ranko founded Optimal Electronics in 1996 and remains the visionary behind the value Optimal Electronics brings its customers. Through his work in Mechanical and Industrial Engineering, Dr. Vujosevic developed unique technologies which dramatically increase the throughput of manufacturing, machining, and robotic assembly operations. As Chief Technology Officer he continues to lead the development of innovative solutions for Optimal Electronics customers. By working directly with customers to understand their most difficult challenges, he guides the company’s engineering team to translate those requirements into  solutions. Prior to founding Optimal Electronics he worked as a Research  Scientist at the University of Iowa’s Center for Computer Aided Design.  Dr. Vujosevic earned his B.Sc. (University of Belgrade, 1983) and M.Sc.  (Vanderbilt University, 1989) in Mechanical Engineering and Ph.D. (University of Iowa, 1992) in Industrial Engineering.



Harry Yun

Chief Operating Officer

+20  year experience in electronics industry with a proven record in various role, ranging from circuit design, new product management, marketing, overseas sales, new business development, operation management. BS of Electronics Engineerings in Konkuk University, Seoul Korea. Business experiences with global companies and local companies around world, including China, Singapore, Malaysia, South Korea and European countries like France, Germany and Italia. Started career as a circuit designer for one of global tier one semiconductor companies. High speed memory product marketing management for network application and designed in to Cisco, Extreme network and others. Dispatched to Paris to lead task force team to develop long-time unsolved deal with world 2nd largest security system company. Launched high accuracy automatic inspection machine business for semiconductor application and initiate first sales to top class semiconductor company and OSATs, expanding business to South Korea, Malaysia, China and US. Cornerstone As a General Manager of Koh Young America, established service network in US and Mexico and achieved dramatic sales growth.