Jianwei Dong, Ph.D.


Mr. Dong is a growth-minded business executive with extensive experience in leading changes, developing organizations and people, and driving innovations. He was the general manager of the compound semiconductor solutions business unit (BU) at DuPont Electronics and Imaging prior to SK siltron’s acquisition of the BU. Post-acquisition, Mr. Dong was appointed CEO of the new SK siltron css business. Prior to that role, he was the global marketing director for the semiconductor advanced packaging technologies BU at Dow Electronic Materials. This was a continuation of Mr. Dong’s work as a marketing leader at Dow since 2012. Before that, he was in a product development role with Dow and worked as a R&D scientist at Rohm and Haas Electronic Materials in both the US and Hong Kong.

Mr. Dong’s education began at Jiao Tong University in Shanghai, China, where he received both a Bachelor of Science degree and a Master’s degree in materials science. From there, Mr. Dong attended the University of Minnesota and received his Ph.D. in Materials Science in 2003. He later completed a five-module executive education program on leadership development (PLD) from Harvard Business School.

Ilgoo Jeong

Corporate Officer

Mr. Jeong began his career as a financial analyst and fund manager. He joined SK innovation as a manager in 2012. From there, he became a project leader for the holding company, SK, Inc. In 2018, Mr. Jeong took a role as team leader in SK materials. In August 2020, he moved to SK siltron and joined the newly acquired SiC wafer business, becoming a corporate officer for SK siltron css.

Mr. Jeong graduated from Yonsei University in Seoul, South Korea, with a bachelor’s degree in general business administration and management in 2005.

Edward Sanchez, Ph.D.

Vice President, Operations & Technology

Dr. Sanchez has over 25 years’ experience in the Silicon Carbide semiconductor industry. In the early 2000s, he worked as a senior research scientist for Sterling Semiconductor in Danbury, Connecticut. After a few years, Dr. Sanchez transferred to Dow Corning, where he worked for 12 years in R&D, Manufacturing and Quality, finishing there as the Process Integration Manager. From there, Dr. Sanchez became the R&D Manager for Dow’s Compound Semiconductor group.  The business moved to Dupont and Dr. Sanchez added the site leader to his responsibilities. He joined SK siltron css as part of the SK acquisition of DuPont’s compound semiconductor solutions group as the Vice President of Operations and Technology.

Dr. Sanchez graduated in 1995 from Rensselaer Polytechnic Institute with a Bachelor of Science degree in Materials Science. From there, he attended Carnegie Mellon University and received his Ph.D. in Materials Science in 2001.