Subscribe to our newsletter for monthly tax tips:

Meet Our CPAs

Learn About Our Services

Donnelly Accountancy Corporation is a Father and Daughter Certified Public Accounting firm licensed in Sunnyvale, CA. All our CPA's hold valid California State CPA Certificates.

Meet Our Staff:


Meet Our CPAs Donnelly Accountancy Corporation, Accounting

William J. Donnelly, CPA, PHD, MBA

Bill started his career working in the auditing departments of the predecessor firms of Deloitte Touche, Tohmatsu and KPMG. He later became the CFO of a manufacturing and test lab company.

He is a former chairman and Professor of the accounting and finance departments at San Jose State University, where he primarily taught auditing and tax classes. He served as a Deck and Legal Officer in the United States Navy. 

Bill specializes in a variety of areas including tax planning, tax preparation, compilations, audits, and reviews. He enjoys spending his spare time with his wife and daughters.



Meet Our CPAs Donnelly Accountancy Corporation, Accounting

Christine Donnelly, CPA, BA

Prior to working for DAC, Christine was a public elementary school teacher. She grew up working in her father's tax office, and decided to leave teaching to pursue a career in public accounting. In 2016, Christine accomplished her goal by earning her CPA license.

Christine specializes in individual tax preparation, including RDP filing status. She enjoys working closely with clients and staff.

Christine earned her Certificate of Advanced Accounting Proficiency, (CAAP) from Santa Clara University and holds a B.A. degree from Chico State University and is a member of CalCPA.

In her free time, Christine enjoys waterskiing on the Delta, riding her horse, and spending time with her dog, Val.