Ralph J. Ricciardi, CPA, Director


Mr. Ricciardi is the Managing Partner, responsible for all aspects of each audit engagement.  In the field of accounting since 1976, Mr. Ricciardi has a wealth of experience, most of which is in auditing federally-assisted and nonprofit programs, he offers the highest level of expertise in the industry. 


Mr. Ricciardi graduated from Golden Gate University, San Francisco, in 1969. He is a longstanding member of the California Society and American Institute of Certified Public Accountants, and founder of R.J. Ricciardi, Inc. Certified Public Accountants in San Rafael, California. He is a resident of the City of Novato, California, and a former member of the Novato Beautification and Environmental Action Group and the Novato Civic Center Committee.

Michael A. O’Connor, CPA, RIA, Director

Mr. O’Connor joined our firm in 1991. A native of Novato, Mr. O’Connor graduated from St. Mary’s College in 1987, receiving a Bachelor’s Degree in Business Administration with an emphasis in Accounting. Michael obtained his CPA License in May of 1990. Mr. O’Connor has extensive experience working with governmental agencies, from cities to special districts. Mr. O’Connor is a member of the Government Finance Officers Association of the United States, American Institute of Certified Public Accountants, and the California Society of CPA’s. He is also a member of the GFOA Special Review Committee and the California State Municipal Finance Officers Association.

Hiep T. Pham, MBA, CPA, Director


Mr. Pham is a resident of Fremont.  He has a B.S. degree in business administration with an accounting emphasis from Saint Mary’s College of California and an M.B.A. degree from California State University of Hayward with an E-business emphasis.  Mr. Pham has been in the accounting field since 1997 and he has extensive experience in both public accounting and private accounting.  He is responsible for overseeing the execution of audit and accounting engagements. Mr. Pham is a member of the American Institute of Certified Public Accountants and the California Society of CPA’s.

June Nguyen, CPA, Audit Director


Ms. Nguyen is a resident of Sonoma County. She has a Bachelor's Degree in Business Administration with an emphasis in Accounting from Sonoma State University. She has been a Certified Public Accountant since 2004. She specializes in Auditing with an emphasis in Retirement/Pension plan audits and Child care audits.