Brian J. Dinsmore


Brian J. Dinsmore, CPA


Brian is a Certified Public Accountant with more than 39 years of experience. His expertise includes:

  • Audit, accounting and advisory services
  • Financial analysis of business operations
  • Internal control reviews and best practices
  • Tax and financial planning for high-net-worth individuals and multi-generational families
  • Tax planning and preparation of federal and state tax returns for privately held corporations and partnerships, trusts, estates, public charities and private foundations
  • Clients include nonprofit organizations, privately held businesses, start-ups, investment companies, real estate and high-net-worth individuals, family groups and trusts

Professional Memberships

American Institute of Certified Public Accountants
California State Society of Certified Public Accountants


M.S. in Taxation, Golden Gate University
B.S. in Business Administration, Georgetown University
Certified Public Accountant, California

Professional Experience

Seiler LLP

Community Affiliations

Member of Finance, Investment and Audit Committee, Ronald McDonald House
Board of Directors, Ronald McDonald House
Advisory Committee, Palo Alto Medical Foundation

Silicon Valley

San Francisco