Charles Kolstad > Withers LLP > Los Angeles, United States > Lawyer Profile

Withers LLP
1925 Century Park East
Suite 400
CA 90067
United States

Work Department

International Corporate Tax




Charles focuses his practice on international tax, corporate, and partnership matters. He assists clients in tax and corporate planning relating to the acquisition, disposition and restructuring of businesses, corporations and partnerships both domestically and internationally. Charles frequently advises foreign individuals moving to the U.S. on pre-immigration, income, gift and estate tax planning opportunities. Charles also focuses his practice on the cannabis industry/cannabusiness, crypto assets and block chain technology, and tax issues related to initial coin offerings (ICOs).

In addition, he advises DJs, actors and actresses, musicians, songwriters, producers, directors and financers, both domestic and foreign, on a wide range of individual and corporate tax issues, specific to the entertainment industry. Charles has written several articles and given many presentations on entertainment tax issues.

He has advised over 200 clients with unreported foreign financial accounts, foreign trusts, and other foreign investments, on the filing of FBARs and other information returns, and whether participating in the IRS’s various offshore voluntary disclosure programs is appropriate. Charles has written and lectured on the extensive information reporting requirements for U.S. taxpayers with international business operations.

Charles has extensive experience in representing clients during audits by the IRS or the California Franchise Tax Board, as well as in front of the IRS Appeals Office or IRS Collection.

Charles was specifically recognized as a “key lawyer” as part of the Withers US International Tax Team ranked by the US Legal 500 2020.


Board of Directors, Temple Emanuel of Beverly Hills


University of Notre Dame, Law School, J.D. 1979

Columbia University, M.B.A., 1978

University of Villanova, B.S., Mathematics, cum laude, 1975

Lawyer Rankings

United States > Tax > International tax

Withers LLP advises ultra-high-net-worth individuals on international tax holdings. Splitting his time between Connecticut and New York, William Kambas focuses on US tax structuring and tax planning. In Los Angeles, Michael Brophy covers trusts and estates litigation, while Charles Kolstad is an expert in digital asset, income, and estate tax planning. Michelle Graham operates out of San Diego and advises ultra-high-net-worth individuals with US assets. 2021 saw the opening of a new Texas office, lead by cross-border tax expert Kevin Keen, who joined in March from Winstead PC. Additionally, Marsha Laine Dungog was appointed San Francisco office leader in February 2021, and specializes in Canadian and Australian tax, trust, and superannuation matters.