University of California, Berkeley Business & Finance

Berkeley, CA

Sierra Achin

Assistant Athletics Director, Deputy Chief Financial Officer

10 Yrs

Kasey Benjamin

Director, Financial Operations,

6 Yrs

Vasileios Iliopoulos

Director, Revenue Accounting & Data Analysis

4 Yrs

Courtney Okazaki

Director, Financial Planning and Analysis

2 Yrs

Yahya Aiyash

Associate Director, Business & Finance

4 Yrs

Sam McGlynn-Mandel

Assistant Director, Business & Financial Operations

4 Yrs

Department History

Business & Finance 2025–2026

Person	Role
Sierra Achin	Assistant Athletics Director, Deputy Chief Financial Officer
Kasey Benjamin	Director, Financial Operations,
Vasileios Iliopoulos	Director, Revenue Accounting & Data Analysis
Courtney Okazaki	Director, Financial Planning and Analysis
Yahya Aiyash	Associate Director, Business & Finance
Sam McGlynn-Mandel	Assistant Director, Business & Financial Operations

Person	Role
Sierra Achin	Assistant Athletics Director, Deputy Chief Financial Officer
Kasey Benjamin	Director, Financial Operations,
Vasileios Iliopoulos	Director, Revenue Accounting & Data Analysis
Courtney Okazaki	Director, Financial Planning and Analysis
Yahya Aiyash	Associate Director, Business & Finance
Sam McGlynn-Mandel	Assistant Director, Business & Financial Operations

Person	Role
Sierra Achin	Assistant Athletics Director, Deputy Chief Financial Officer
Tom Lowry	Senior Associate Athletics Director, Chief Financial Officer
Kasey Benjamin	Interim Director of Financial Operations
Ian McKinnon	Director, Revenue Accounting & Analysis
Yahya Aiyash	Associate Director, Business & Finance
Vasileios Iliopoulos	Assistant Director, Revenue Accounting & Analysis