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Catherine Karayan Wilbur

Associate - los angeles


Legal Expertise

Catherine Karayan Wilbur is an attorney specializing in the effect of wealth transfer taxes on estate planning and estate administration. Her experience brings a unique perspective as she counsels clients on their charitable contributions and charitable organizations on their tax exemption. 

Prior to joining MSK, Catherine practiced in Santa Barbara, California, and clerked for the Honorable Kathleen Kerrigan at the United States Tax Court in Washington, D.C. She is a native of Southern California.

Representative Matters

  • Counseled clients on creation of South Dakota and Delaware directed trusts.
  • Obtained tax-exempt status from the IRS and California for charitable organization.
  • Successfully received a Private Letter Ruling from the IRS that allowed the client to elect for portability.
  • Advised clients on US tax implications of a gift of art from German family members.

Professional, Business and civic Affiliations

University Club of Santa Barbara, Board Member (2016-2017)

Santa Barbara Chamber Orchestra, Board Member (2014-2017)

Federal Bar Association, Section on Taxation Young Tax Lawyers Division, Co-Chair (2013-2014)

Other Career Experience

Associate, Ambrecht & Associates (2014-2017)

Clerk, Hon. Kathleen Kerrigan, United States Tax Court, Washington, DC (2012-2014)




  • U.S. Tax Court


  • Clerk, Hon. Kathleen Kerrigan, United States Tax Court, Washington, DC


New York University School of Law, LL.M., 2012

University of Southern California, Gould School of Law, J.D., 2011

Washington University in St. Louis, B.A., with honors (2008)

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