Corporate Board Profile
Tech Score: 0/100
| Filing Date | Source Excerpt |
|---|---|
| 2011-10-18 | "Dr. Chang received his B.S. in electrical engineering ... and M.S. and Ph.D. in electrical engineering... Dr. Chang's extensive technological expertise and business experiences in the power semiconductor industry" |
| 2012-10-15 | "Dr. Chang received his B.S. in electrical engineering from National Cheng Kung University, Taiwan, and M.S. and Ph.D. in electrical engineering from the University of Missouri." |
| 2013-10-08 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering ... and M.S. and Ph.D. in electrical engineering" |
| 2014-10-06 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2015-09-24 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2016-10-03 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2017-10-03 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2018-10-09 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2019-10-07 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2020-09-28 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2021-10-01 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2022-10-13 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2023-09-25 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering... and M.S. and Ph.D. in electrical engineering" |
| 2024-09-25 | "Dr. Chang has extensive experience in both technology development and business operations in the power semiconductor industry... Dr. Chang received his B.S. in electrical engineering ... and M.S. and Ph.D. in electrical engineering" |
Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-04-08