James G.B. DeMartini


James G.B. DeMartini, III, CPA


Jim DeMartini is the Chairman of Seiler LLP, a leading accounting firm with offices in Silicon Valley and San Francisco. The firm specializes in providing services to high-net-worth individuals and families, as well as closely held businesses and non-profit organizations. In his role as a trusted advisor, Jim counsels in matters including income, estate and gift tax planning, wealth management, all facets of real estate and charitable gift planning.

Professional Memberships

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


University of
Los Angeles
B.S. Accounting
Golden Gate University
Certified Public Accountant
State of California

Community Affiliations

Board of Directors, Skoll Foundation
Board of Directors, Stupski Foundation
Board of Directors, Skoll Global Threats Fund
Founder and Member, Board of Directors of Sports Association for Youth
Chair, Santa Clara University Men’s Golf Committee
Trustee, Executive Committee Member and Audit Committee Chairman, Notre Dame de Namur University
Board Member, Mid-Peninsula Bank, a member of the Greater Bay Bancorp group
Board Member, Sisters of Notre Dame de Namur of California
Board Member, Santa Clara University English Advisory
Board Member, Lucile Salter Packard Children’s Hospital at Stanford Capital Campaign Committee
Board Member, Stanford University Medical Center Friends of Orthopedics

Silicon Valley

San Francisco