Diana M. Hastings

Partner | San Francisco, New York

Diana is a partner in the private client and tax team.

She focuses on domestic and cross-border estate, tax and business succession planning, estate and trust administration and wealth preservation.

Secretary Pamela Moran


She has an international focus, and a highly regarded and established practice.

Chambers HNW 2018, Northern California

She’s a smart lawyer – she’s very good at what she does.

Chambers HNW 2018, Northern California





State of New York, 1987

State of California, 1988

__ INSIGHT: New Tax Law Puts Foreign Trusts in a Different Realm for Estate Planners’, Bloomberg BNA Daily Tax Report - May 2018, co-author

‘Caught in a Trap [Estate of Charania 133 T.C. No. 7, September 14, 2009]’, The STEP Journal (Vol 18. Issue 1, January 2010), with Christopher S. Armstrong

Fellow, American College of Trust and Estate Counsel (ACTEC)

STEP San Francisco, Secretary and Board of Directors

Real Property, Trust & Probate Section, American Bar Association

‘Decanting Trusts: Possibilities, Pitfalls, Tax Consequences, and Fiduciary Duties,’ ALI/CLE - Webcast (March 13, 2019)

‘Leaving a Global Legacy: New Structuring Considerations for Non-US Persons with US Assets’, sponsored by STEP-San Francisco (April 26, 2018)

‘Cross-Border Issues with Family Law’, Sand Hill Global Advisors 11th Annual Attorneys’ Roundtable (March 16, 2017)



  • English





San Francisco

505 Sansome Street,

2nd Floor,

CA 94111

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New York

430 Park Avenue,

10th Floor,

NY 10022-3505

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