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Jennifer Kosteva


Phone: 610-940-4187
Email: jkosteva@htts.com
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Jen Kosteva focuses her practice on estate planning, trust and estate administration, and estate and gift taxation. She enjoys working with individuals and families on a variety of sensitive and complex estate and business planning matters. Jen has experience in tailoring estate plans to meet the needs of family members in all generations and to address special circumstances such as marriage, divorce or the birth or adoption of a child. She also advises executors and trustees about the administration of estates and trusts and guides them in all aspects of fulfilling their responsibilities, including advice on tax related matters.

Jen was named a Rising Star by Philadelphia Magazine in trust and estate law in 2016 and 2017.

Prior to joining Heckscher, Teillon, Terrill & Sager, Jen was an associate in the Private Wealth Services group of McGuireWoods, LLP in Richmond, Virginia. She also clerked for the Honorable James C. Dever, III, United States District Judge for the Eastern District of North Carolina, in Raleigh, North Carolina.


  • Closely-Held Business Planning
  • Estate Administration
  • Estate and Tax Planning
  • Fiduciary Matters
  • Trust Administration


  • University of Virginia School of Law, J.D. (2007)
  • University of Notre Dame, M.S., magna cum laude (2002)
  • University of Notre Dame, B.S., summa cum laude (2001)


  • Pennsylvania (2010)
  • Virginia (2007)


  • Certified Public Accountant (Virginia)
  • Pennsylvania Bar Association
    • Real Property Probate Estates and Trust Law Section
  • Virginia State Bar
  • American Bar Association
    • Real Property, Trust and Estate Law Section
  • Philadelphia Bar Association
    • Probate and Trust Law Section
  • Philadelphia Estate Planning Council
  • Montgomery Count Estate Planning Council
    • Member, Board of Directors (2018 - present)
  • Montgomery Bar Association


  • Pennsylvania Super Lawyer Rising Star (2016 - 2017)