Chris P. Siu, Executive Vice President of Finance and Chief Financial Officer at Aehr Test Systems. Biography, career history and compensation sourced from Aehr Test Systems proxy statement (SEC Schedule 14A).
About
Chris P. Siu joined Aehr Test Systems as Executive Vice President of Finance and Chief Financial Officer in June 2023. Before joining the Company he served as Senior Vice President Finance, Corporate Treasurer and Chief Accounting Officer at Ultra Clean Holdings, Inc. from May 2019 to May 2023, and previously held senior management roles at GlobalFoundries Inc. and Trident Microsystems, Inc. He began his career in public accounting with Ernst & Young LLP and Deloitte & Touche LLP and is a Certified Public Accountant (inactive) in California. He received a B.S. in Accounting from Brigham Young University in Hawaii and an M.B.A. from the University of California, Berkeley.
Roles
Aehr Test Systems
Executive Vice President of Finance and Chief Financial Officer · Current role
June 2023–present
Ultra Clean Holdings, Inc.
Senior Vice President Finance, Corporate Treasurer and Chief Accounting Officer
May 2019 - May 2023
GlobalFoundries Inc.
Senior management roles
—
Trident Microsystems, Inc.
Senior management roles
—
Ernst & Young LLP and Deloitte & Touche LLP
Public accounting (began career)
—
Fixed Compensation
FY 2025
Salary
$349,240
ComponentBase salary earned in fiscal 2025
All other compensation
$55,531
ComponentHealth and life insurance premiums and medical costs ($41,581) and 401(k) contributions ($10,741)
Total compensation
$1,389,773
Performance Compensation
Data from FY 2025
Cash incentive
Non-equity incentive plan compensation
$105,000
Target Opportunity
—
PlanAnnual bonus and profit-sharing programs
Stock awards
Stock awards
$880,002
FormRSUs, ASC 718 grant-date fair value (performance-based RSUs at target)