STEPHEN D. KELLEY

Corporate Board Profile

Tech Score: 0/100

← Back to All Directors

ADVANCED ENERGY INDUSTRIES INC

Filing Date Source Excerpt
2021-03-10 Mr. Kelley holds an SB ChE from the Massachusetts Institute of Technology and a JD from Santa Clara University.
2022-03-17 Mr. Kelley holds an SB ChE from the Massachusetts Institute of Technology and a JD from Santa Clara University.
2023-03-13 Stephen D. Kelley currently serves as President & Chief Executive Officer of Advanced Energy Industries, Inc. He holds an SB ChE from MIT and a JD from Santa Clara University. He has held executive roles at Amkor Technology, Cree, Texas Instruments, Philips Semiconductors, National Semiconductor and Motorola.
2024-03-15 Mr. Kelley holds an SB ChE from the Massachusetts Institute of Technology and a JD from Santa Clara University. He has held executive leadership roles at companies including Texas Instruments, Philips Semiconductors, National Semiconductor, and Motorola.
2025-03-14 Mr. Kelley holds an SB ChE from the Massachusetts Institute of Technology and a JD from Santa Clara University. He brings more than 30 years of significant senior management experience in the global semiconductor and electronics industry.

ONTO INNOVATION INC.

Filing Date Source Excerpt
2023-03-30 Stephen D. Kelley Director Since: January 2023 Age: 60 Independent Status: Independent Director Board Committee(s): Audit 2022 compensation: N/A (joined January 2023)
2024-04-05 Mr. Kelley holds a B.S. in Chemical Engineering from the Massachusetts Institute of Technology and a J.D. from Santa Clara University.

Data sourced from SEC filings. Last updated: 2025-10-12