Leadership Team

Driving our commitment to delivering high-performance solutions, Radiant's leadership team is a highly-experienced group that includes industry pioneers and experts in our key markets and regions. With complementary backgrounds from within the technology and manufacturing sectors, they lend a high level of expertise and mentorship to both the customer and employee experience.

Hitoshi Kamezawa, Chief Executive Officer

Hitoshi Kamezawa, CEO

Hitoshi Kamezawa is the CEO of Radiant Vision Systems and General Manager of the Konica Minolta Sensing business unit. An established leader with an extensive career at Konica Minolta, he provides strategic and operational direction to Radiant and the global Sensing organization.

Named General Manager of the Sensing Division in 2015, Kamezawa has been instrumental to its growth since joining Konica Minolta in 1985. He has held leadership roles in R&D and business development for the company’s healthcare and 3D measurement units, bringing a comprehensive knowledge of the product lines stemming from years of hands-on engineering and development work.

Kamezawa received an Engineering degree from the Department of Mechanical Engineering at Tokyo University, where he studied mechanical engineering and robotics. He has published several papers on the subject of 3D measuring and 3D data processing technologies, and has been granted 8 patents in the US and Japan.

Douglas Kreysar, Chief Solutions Officer

Douglas Kreysar, Chief Operating Officer

As Chief Solutions Officer, Doug Kreysar heads Radiant’s engineering, product development, operations, and marketing teams to ensure the successful implementation of customer solutions worldwide. Under his direction, Radiant’s optical technologies for light and color measurement have become known as the gold standard for production applications.

With a background that includes engineering, physics, and management, Kreysar has overseen multiple departments at Radiant since joining the company in 2000 - spanning production and finance to marketing. Prior to Radiant, Kreysar was head of the optical design group at North American Lighting, Inc. (NAL), a major automotive exterior lighting supplier.

Kreysar received a B.S. in Physics from Vanderbilt University, and an M.S. in Applied Physics from the University of Michigan, Ann Arbor. He is the author of multiple technical papers and a regular speaker for organizations including the Society for Information Display (SID). He has been the recipient of an Excellence in Oral Presentation Award from the Society of Automotive Engineers. Kreysar holds eight US patents.

Hal Yamazaki, Executive Vice President

Hal Yamazaki, Executive VP

As Executive VP, Hal Yamazaki leads Radiant’s finance, HR, and sales teams, leveraging the combined reach of the global commercial organization to best serve the company’s customer base. He is a driving force behind Radiant’s customer-centric approach to meeting the needs of its diverse markets.

Prior to assuming the role as Radiant’s Executive VP, Yamazaki was the Director of Strategic Alliances for Konica Minolta, where he was instrumental in bringing Radiant into the Konica Minolta family. His career with Konica Minolta spans nearly 30 years (and multiple continents), during which time he has held a series of executive positions, including President/CEO of Konica Minolta Sensing Americas. He has managed the company’s sales operations for Europe, Japan, and the US, and worked extensively with Konica Minolta’s product and corporate planning groups.

Yamazaki is a graduate of Osaka University of Foreign Studies, where he received a degree in Foreign Communications.

Hubert Kostal, Vice President of Sales and Marketing

Hubert Kostal, Vice President of Sales and Marketing

Dr. Hubert Kostal leads sales and business development for Radiant’s strategic accounts. Since joining Radiant in 2007, he has been a key driver in the transition of imaging colorimetry technologies from the lab to the production floor, helping top global brands optimize their production process and improve product quality.

Kostal brings extensive international experience in high technology engineering, marketing, and sales to Radiant. He has held leadership roles in both start-up and established technology companies, including APIC (Advanced Photonic Integrated Circuits), NanoOpto Corp., SpectraSwitch Corp, TranSwitch Corp., and Lucent Technologies.

Kostal received a B.S. in Mathematics from the University of Texas at El Paso, and a Ph.D. in Mathematics from The University of Texas at Austin. A leading expert on the topic of automated visual inspection, his papers on the subject can be found in international technical and trade publications. Kostal has been awarded two patents.

Stone Jiang, VP, Asia Key Account Sales and General Manager of China

Stone Jiang, General Manager, Radiant Vision Systems China

Stone Jiang oversees Radiant’s China and Korea teams, responsible for business development, sales, and support for the company’s Asia-based strategic accounts. He also manages all general operations in the region, including finance, HR, and application engineering. Since joining the company in 2012, Jiang has been central to the growth of Radiant’s China business, which includes many of the world’s top brands and their manufacturing partners.

Jiang’s background includes extensive business development experience in high-tech applications, sales and marketing. Prior to joining Radiant, Jiang, as General Manager of Greater China at Orbis, played a leadership role introducing RF and machine vision solutions to the telecom industry in China. He also served as China General Manager of Keithley Instrument Inc., and held roles at Electroglas Inc., and Schlumberger Automatic Test Equipment.

Jiang received a M.S. in Electrical & Electronics from Beijing University of Technology and an E.M.B.A from Guanghua Business School of Beijing University.