Katherine Spencer Zelazny

Katherine Spencer Zelazny: Attorney with Geittmann Larson Swift LLP


Estate planning and business attorney whose practice areas include gift and estate tax planning, trust administration, probate, federal and state taxation, and sophisticated real estate and business transactions.

Ms. Zelazny graduated from Duke University in 1989 with a Bachelor of Arts. In 1993, she earned a Juris Doctor from Duke University School of Law. She then attended New York University and was awarded a Master of Laws Degree (LL.M.) in Taxation in 1994.
Ms. Zelazny was admitted to both the California State Bar and the Wyoming State Bar in 1994. From 1994 to 2001, she practiced law with Mullikin, Larson & Swift LLC and became a member of the firm in 1998. In 2002, she joined the St. Helena, California office of Gagen, McCoy, McMahon, Koss, Markowitz & Raines and was a shareholder there until 2009 when she joined Block, DeVincenzi & Zelazny LLP as a partner. She started her own practice in St. Helena as a sole practitioner in 2014 and joined Mullikin, Larson & Swift, LLC as of counsel in May 2015.

Areas of Practice (7)

  • Gift and Estate Tax Planning
  • Trust Administration
  • Probate
  • Federal and State Taxation
  • Sophisticated Real Estate and Business Transactions
  • Taxation
  • Trusts & Estates

Education & Credentials

Contact Information:
307-201-6505  Phone
307-733-3947  Fax
Mailing Address:
P.O. Box PO BOX 1226, Jackson, WY 83001
University Attended:
Duke University, B.A., 1989
Law School Attended:
Duke University School of Law, J.D., 1993; New York University, LL.M., Taxation, 1994
Year of First Admission:
1994, California and Wyoming
Napa County and American Bar Associations; State Bar of California; State Bar of Wyoming.
Birth Information:
Baltimore, Maryland, March 23, 1967
Payment Information:
  • Credit cards accepted
  • Accepts Visa, MasterCard, American Express and Discover
  • Fixed Hourly Rates
  • Fixed Fees Available

Peer Reviews

  • 3.1/5.0 (1 review)
  • High ethical standing icon
  • A Martindale-Hubbell Peer Rating reflects a combination of achieving a Very High General Ethical Standards rating and a Legal Ability numerical rating.
  • Legal Knowledge

  • Analytical Capability

  • Judgment

  • Communication

  • Legal Experience


*Peer Reviews provided before April 15, 2008 are not displayed.

Jackson, Wyoming

Contact Katherine Spencer Zelazny

Required Fields

Required Fields

By clicking on the "Submit" button, you agree to the Terms of Use, Supplemental Terms and Privacy Policy. You also consent to be contacted at the phone number you provided, including by autodials, text messages and/or pre-recorded calls, from Martindale and its affiliates and from or on behalf of attorneys you request or contact through this site. Consent is not a condition of purchase.

You should not send any sensitive or confidential information through this site. Emails sent through this site do not create an attorney-client relationship and may not be treated as privileged or confidential. The lawyer or law firm you are contacting is not required to, and may choose not to, accept you as a client. The Internet is not necessarily secure and emails sent though this site could be intercepted or read by third parties.