STEPHEN D. KELLEY

Corporate Board Profile

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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

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: 2026-02-03