Diana M. Hastings

Partner | New York, San Francisco

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 Amanda Lee





State of New York, 1987

State of California, 1988

‘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

‘Purpose Trusts and PTCs: Panacea or Placebo?’, The STEP Journal USA (Issue 6, June/July 2008), with Christopher S. Armstrong

Former Member of and Advisor to the Executive Committee, Estate Planning, Trust & Probate Section, State Bar of California

Real Property, Trust & Probate Section, American Bar Association

Past Chair, Probate and Trust Section, Bar Association of San Francisco

San Francisco Estate Planning Council

International Fiscal Association, USA Branch

‘Tax Aspects of Restructuring the Foreign Trust’, sponsored by CalCPA, San Francisco Chapter, International Tax Committee (June 25, 2015)

‘Cross Border Pacific Rim Estate Planning Workshop For the United States and Parts of Asia’, with J. Daniel Schrauth and Jonathan Lurie, ACTEC Western Region Fellows Meeting (August 31, 2013)

‘Foreign and Domestic Trusts for the Multinational Family: Domestication and Restructuring in the 21st Century’,’ sponsored by STEP San Francisco (April 20, 2011)



  • English






New York

430 Park Avenue,

10th Floor,

NY 10022-3505

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San Francisco

505 Sansome Street,

2nd Floor,

CA 94111

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