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.

Stone Jiang
Stone Jiang
Chief Executive Officer

Stone Jiang serves as the CEO of Radiant Vision Systems and leads the Board of Directors of Radiant businesses in Shanghai, Hong Kong and Korea. Before stepping into the CEO role, Stone oversaw global sales, including North America, Asia, and European accounts with responsibiity for strategic planning, business development, sales, and support for all of Radiant's customers worldwide. He also manages all general operations in the Asia region, including finance, HR, and application engineering. Since joining the company in 2012, Jiang has been central to the growth of Radiant’s Asia business, which includes many of the world’s top brands and their manufacturing partners.

Stone's background includes extensive business development experience in high-tech applications, sales and marketing. Prior to joining Radiant, Stone, 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.

Stone earned his M.S. in Electrical & Electronics from Beijing University of Technology and an E.M.B.A from Guanghua Business School of Beijing University.

Yuto Saitoh
Yuto Saitoh
Executive Vice President

In his role as EVP, Yuto Saitoh oversees Finance and Human Resources, and guides Radiant’s strategic planning to ensure long-term sustainable business development. At Konica Minolta, he has adeptly navigated challenges and played a pivotal role in making key decisions, most recently as Senior Manager of Business Planning in Sensing Business. He was responsible for growth strategies that encompasses M&A and partnering activities, and portfolio management. Before joining Konica Minolta, he held a position of Senior Business Development Manager for SABIC, a global chemical company, leading marketing and new business development in automotive industry. Additionally, he provided strategic consulting for B2B companies in the Electronics, Chemical, and Automotive industries at Arthur D. Little. He received his Bachelor’s degree in Laws (LLB) from the University of Tokyo. 

KaZUO iSHII
Kazuo Ishii
Chief Operating Officer

As Chief Operating Officer, Kazuo oversees all Finance and Accounting, Human Resources, Operations, and Information Technology activities, and fosters close coordination of key functions with our parent company, Konica Minolta, Inc. (KM).  He comes to Radiant as the latest step in a 20-year global career within KM in wide-ranging roles including: Treasurer of Konica Manufacturing U.S.A., Inc. based in North Carolina, and Senior Manager of KM’s Corporate Business Management Division, where he was responsible for budgeting, investment, mergers and acquisition strategy, and post-merger integration. 

He was instrumental in the establishment of KM Photo Imaging in Russia, serving as Director of Administration for the company, and for KM Business Technologies in Malaysia, where he served as Director & General Manager. He brings with him experience in the photography, copier, health care, optics, ink jet, and sensing technology businesses. He earned his degree in Business and Commerce from Keio University in Tokyo, Japan.

Jens Jensen
Jens Jensen
Chief Technology Officer

Jens has spent decades working in the field of photometric and colorimetric calibration and testing, developing precision solutions for light and color measurement, and is Radiant’s technical leader for 2D colorimeters and photometers. He is the author of 10 technical notes published by The Danish Illuminating Engineering Laboratory (LTL), has published multiple peer-reviewed articles and reports, and presented at international conference sessions on topics such as FLCD, motion controllers for lighting systems, low luminance and contrast measurement, 2D measurement of dynamic and static luminance of color artifacts, and mura detection and measurement.

Jens is a member of the International Committee for Display Metrology (ICDM), and currently chairs the Uniformity sub-committee. He has also presented at the Society for Information Display (SID) Annual Symposium.

Jens earned his Masters Degree in Mechanical Engineering with a specialty in Naval Architecture at the Technical University of Denmark. Prior to joining Radiant, he worked at DELTA Light & Optics for 23 years, with roles as Senior Engineer and as Technical Lead of the company’s DANAK-accredited Photometric and Colorimetric laboratory.

Hubert Kostal
Hubert Kostal
Vice President of Business Development

Dr. Hubert Kostal leads 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.

Hubert 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. 

Hubert 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. He has been awarded two patents.

Carrie Bossert - VP
Carrie Bossert
Vice President of Finance

Carrie Bossert, CPA, heads Radiant’s financial operations, including strategy, accounting and reporting, and compliance. As a subsidiary of publicly held Konica Minolta, Inc. (TSE: 4902), Radiant is required to conform to both internal corporate controls, international subsidiary rules, and Sarbanes-Oxley Act (SOX) regulations, as well as revenue recognition to IFRS Standards and GAAP. Carrie adeptly manages a team of finance and accounting professionals to satisfy these requirements.

Prior to joining Radiant, Carrie worked as Controller for both public and privately held entities in various other industries, including high-tech (software and online medical publishing), and bio-tech (gene synthesis). Carrie graduated from Central Washington University with a B.S. in Accounting and Business Administration, specializing in Behavioral Management. She holds a current C.P.A. license in the State of Washington, and is a member of the American Institute of CPAs (AICPA) and the Washington Society of Certified Public Accountants (WSPCA).

Li Sun, Technical Director of Asia
Li Sun
Asia General Operations Director

Li leads Radiant’s operations and engineering teams across Asia, overseeing the delivery of complete and innovative solutions that address customer challenges. He started his career as an engineer in the petroleum industry rising to technical manager at Huabei Oilfield in China. He joined Radiant in 2005, providing development, configuration, and installation of Radiant systems at customer locations. In 2010 he moved to China and played a key role in opening Radiant’s first China office to serve a growing customer base in Asia. Since 2015 he has led engineering teams as Asia Technical Director and then in 2020 was named Vice General Manager of China. He earned his B.S. degree in Optical Instruments from the University of Shanghai for Science and Technology, and a second B.S. in Computer Science from Ohio State University. 

JIN HOON SONG
Jin Hoon Song
General Manager Korea & Vietnam | Senior Key Account Sales Director

Jin Hoon joined Radiant in 2012 as the first employee in our Korea office and over the past 12 years has led significant revenue and operations growth. As General Manager of Radiant Korea, he has overseen the development of pioneering new solutions for display inspection and correction and built relationships with leading global consumer electronics brands. He now brings these strategic skills to global customers as Senior Key Account Sales Director. Jin Hoon has also assumed the role of General Manager for Vietnam, directing the expansion of Radiant’s technical operations in the region with the opening of a large customer service and repair center in Vietnam. He has over 20 years of engineering and management experience in the display and semiconductor industries, having worked at AOI system manufacturer Orbotech Korea, lithography system manufacturer Cymer, and ASML Korea. He earned a B.Sc. in Physics from Kon-Kuk University in Seoul.

Scott McLeod
Scott McLeod
Director of Marketing & Product Management

In his role as Director of Marketing & Product Management, Scott drives Radiant’s marketing and product strategy efforts. He provides strategic insight that ensures strong alignment between Radiant’s products and customer needs in the Consumer Electronics, Automotive, Aerospace, Lighting, and Medical industries. Scott oversees positioning and leads teams to develop and communicate clear and compelling messages on product benefits and competitive advantages. Prior to joining Radiant, he held product management, marketing, and client services leadership roles at companies that develop IT solutions, software, and services, including Caradigm, GE Healthcare, Adaptis, and Prodata Systems. Scott earned a B.A. from the University of Washington.

Paul Zink
Paul Zink
Director of Advanced Vision & Product Engineering

Paul Zink oversees Radiant’s Project Engineering and holds full development cycle responsibility for our Advanced Vision product line, including requirements and specifications gathering, product design and build, installation, acceptance, and launch. He has an extensive background in quality assurance, testing, and product design in diverse industries including consumer electronics, semiconductors, commercial software, automotive, packaging and printing, and general manufacturing. His technical expertise includes software development, data acquisition and analysis, factory automation, electrical design, and optomechanical systems. Prior to joining Radiant, he successfully managed programs and coordinated activities between diverse teams and cultures in his role as VP of Engineering for Integral Vision in Taiwan. He holds a B.S. degree in Electronic Engineering from DeVry University.

Kat Sherdel
Kat Scherdel
Director of Human Resources

Kat Scherdel brings over two decades of extensive experience in Human Resources to her role as Director of Human Resources at Radiant Vision Systems. Throughout her career, she has held key leadership positions at prominent companies such as Twitch.tv and King.com. At Twitch.tv, Kat built the Talent Operations function from the ground up, streamlining processes and enhancing employee experiences. She collaborated with Twitch.tv’s parent company, Amazon.com, to align global processes, lead compliance efforts for international hiring legislation, and launch programs focusing on diversity and inclusion. At King.com, she led HR efforts for North American studios, managing large-scale integration projects, and created comprehensive talent development programs. She earned a B.A. in Counseling Psychology from Roosevelt University.

As the Director of Human Resources at Radiant, Kat is committed to fostering employee engagement, managing comprehensive people-focused programs, and ensuring adherence to global regulations. Her extensive background in the technology sector has equipped her with a deep understanding of talent development, driving organizational growth and innovation. Passionate about creating supportive environments, Kat is dedicated to empowering employees to thrive and contribute meaningfully to Radiant's vision for the future. 
 

Brian Raymond
Brian Raymond
Director of Operations

Brian Raymond heads Radiant’s operations in manufacturing, production, quality, global logistics, inventory, and supply chain management. He manages a team of production personnel, including the technicians who assemble, calibrate, and test our precision camera and lens products. In his eight years at Radiant, Brian successfully led the company’s initiative to receive NVLAP accreditation as an ISO/IEC 17025:2017 calibration laboratory, and drove the development and refinement of mature quality management systems and processes. Before joining Radiant, he was Senior Manager of Quality Engineering for global network and electronics manufacturer Leviton, where he managed quality engineering teams, supported new product development verification, and maintained the company’s ISO 98001:2008 certification. Previous roles include Director of Quality at TTM Technologies, and Engineering Manager at Toppan Electronics. Brian earned a B.S. in Chemical Engineering at the University of New Hampshire and completed the High Technology M.B.A. Program at Northeastern University. He is ASQ Six-Sigma Black Belt Certified.

Doug Kreysar
Douglas Kreysar
Senior Advisor | CEO Emeritus

As Radiant’s CEO from 2018 – June 2024, Doug now fulfills an advisory role for the company. He is a recognized industry leader and offers invaluable perspective on strategy, technology, and the market. Before stepping into the role of CEO, he served as Chief Solutions Officer. Under his direction, Radiant’s optical technologies for light and color measurement became known as the gold standard for production applications. Doug first joined the company in 2000; during his tenure he oversaw multiple departments, including engineering, finance, production, and marketing. Prior to joining Radiant, Kreysar was head of the optical design group at North American Lighting, Inc. (NAL), a major automotive exterior lighting supplier. Doug earned a B.S. in Physics from Vanderbilt University, and an M.S. in Applied Physics from the University of Michigan, Ann Arbor.

On
radiant vision system wechat