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 Stephen D. Kelley Currently serves as President, CEO, and director of Advanced Energy Age: 58 Director Since: 2021
2022-03-17 Stephen D. Kelley Currently serves as President, CEO, and director of Advanced Energy Age: 59 Director Since: 2021 2021 Director Compensation: None (executive officer)
2023-03-13 Stephen D. Kelley Currently serves as President, CEO, and director of Advanced Energy Industries Age: 60 Director Since: 2021 2022 Director Compensation: No compensation listed for director role
2024-03-15 STEPHEN D. KELLEY Currently serves as President, CEO, and director of Advanced Energy Age 61 Director Since 2021 2023 Director Compensation: None (executive officer)
2025-03-14 Stephen D. Kelley Currently serves as President, CEO, and director of Advanced Energy Age 62 Director Since 2021 2024 Director Compensation: Total $0

AMKOR TECHNOLOGY, INC.

Filing Date Source Excerpt
2015-04-07 Stephen D. Kelley. Stephen D. Kelley joined Amkor in May 2013 as President and Chief Executive Officer, and is also a member of our Board of Directors.
2016-04-06 Stephen D. Kelley. Stephen D. Kelley joined Amkor in May 2013 as President and Chief Executive Officer, and is also a member of our Board of Directors.
2017-04-04 Stephen D. Kelley joined Amkor in May 2013 as President and Chief Executive Officer, and is also a member of our Board of Directors.
2018-04-03 Stephen D. Kelley joined Amkor in May 2013 as President and Chief Executive Officer, and is also a member of our Board of Directors.
2019-04-12 Stephen D. Kelley joined Amkor in May 2013 as President and Chief Executive Officer, and is also a member of our Board of Directors.
2020-04-13 Stephen D. Kelley 57 President, Chief Executive Officer and Director

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.

Source material: SEC submissions metadata and DEF 14A proxy filings from EDGAR. Last updated: 2026-03-22