Finance & Operations
Aileen de Leon | 邓爱琳, Director of Finance
Prior to joining PKS, Aileen worked for over 15 years in accounting for a non-profit organization. She received her Master's degree in Accounting from Walden University. As Director of Finance, her primary responsibilities entail overseeing accounting operations, reconciliations, closing, and reporting. In addition, she leads annual audits for financial and 403B plans. Aileen's expertise and meticulous approach enable her to manage complex financial systems, ensuring accuracy and compliance with regulations.
Chubasco Gaite, Director of Operations & Technology
[FORTHCOMING]
Jason Lee | 李金生, Head of Campus Safety
Jason immigrated to San Francisco from China in 2002 and has since worked in private educational consulting and school security services. Known for his strong sense of responsibility and enthusiasm, he effectively connects schools, teachers, parents, and students to create a safe and supportive educational environment.
Jason’s work philosophy is people-centered and prevention-focused. He promotes a comprehensive and collaborative approach to school safety, supported by clear procedures and legal compliance. Committed to protecting the PKS community he serves, Jason and his team will continue working alongside you to ensure the safety and well-being of every student, now and in the future.
Rosie Santiago, Accountant
Rosie has worked in accounting for more than 10 years. She is a detail-oriented person and uses that approach when processing check deposits, account payables, reimbursements, and credit card reconciliation. She was a high school teacher in the Philippines before immigrating to the US. She taught Filipino language, Home Economics and P.E. Rosie has a BS in Education, License in Phlebotomy, a certification in Medical Assisting, and Crash Courses in Accounting. Rosie loves cooking, creating things out of something, decorating, and organizing. She also loves to travel and explore beautiful places.
Cindy Su | 蘇玲玉, Registrar & Database Manager
[FORTHCOMING]
Gillian Wilson | 吉莉安, Chief Finance & Operations Officer
Gillian has been a key member of the Business Office since the launch of the first PKS kindergarten class. As a parent and school leader, she is excited to develop and implement processes to support the school’s growth and is always seeking effective and efficient ways to keep the school running smoothly. Gillian has an LL.B Law degree from Reading University, UK, and holds an MBA from SFSU. A transplant from the UK, Gillian first worked in operations, finance, and HR at development non-profit Thousand Currents (formerly IDEX) and Women’s Earth Alliance, both focused on community-led initiatives to develop food sovereignty, and economic and climate justice.
Gillian and her husband have two daughters who both benefited from being students at PKS, and in her down time you’ll often find them hiking with their dog, Cooper, exploring the Bay Area’s many trails and beaches.
Xiaoying Yu | 俞晓颖, Human Resources & Payroll Manager
Xiaoying joined PKS in 2024 and brings a diverse background spanning different industries. She holds a Master's degree in Human Resource Management from the University of Birmingham and is passionate about building strong, people-centered systems. At PKS, she oversees payroll, benefits and HR operations, always aiming to support staff with care and professionalism.
Xiaoying is committed to staying humble and continuously learning, both personally and professionally. In her free time, she enjoys traveling, exploring different cuisines, and gaining fresh perspectives from different cultures and stories.