Tresp Law, APC
About Us

Elizabeth A. Tresp, JD, LL.M.

Elizabeth earned her BA at Middlesex University in London in 1999. She completed her Juris Doctor (JD) and Master of Laws (LLM) at the University of San Diego School of Law, earning the highest honors in Criminal Tax Fraud and Taxation of Anti-Money Laundering.

Staying involved in her community is important to Elizabeth, which is why you can find her volunteering at her children’s schools, and donating her time to local charities.

Elizabeth is a member of The State Bar of California (Bar Number 290339), the San Diego County Bar Association, Probate Attorneys of San Diego, and the American Bar Association. In addition to California State Courts, she practices before the United States Tax Court and the United States District Court, Southern District of California.




An active member of the legal community, Elizabeth provides consulting services to local attorneys.

Experienced in high-conflict litigation negotiation, Elizabeth can achieve your best results through mediation or in the courtroom.

Compassionate and caring, Elizabeth strives to be your attorney for life. Protecting your family and your legacy are her highest priorities. With extensive negotiation experience, Elizabeth is prepared to fight for you.

Whether you need to secure your family’s future, deal with the loss of a loved one, or respond to inquiries from the IRS or California Franchise Tax Board, contact Tresp Law, APC today. We look forward to working with you to protect your assets and provide for your family.

Volunteering In Our Community

Commitment to our community goes beyond financial contributions. Elizabeth consistently volunteers her time in the community, such as classroom volunteering in Solana Beach schools through the Solana Beach Foundation for Learning.

Elizabeth worked directly with disadvantaged youths through ChildHelp, and through local clinics she has provided no-cost state and federal tax assistance to dozens of taxpayers.

Abraham A. Ames, Esq., Associate Attorney

Abraham earned his BS at Indiana University of Pennsylvania in 2002 in Management Information Systems and Accounting, graduating Summa cum laude, Valedictorian in both majors. He completed his Juris Doctor (JD) at the University of San Diego School of Law. Abraham is a member of The State Bar of California (Bar Number 312385), the San Diego County Bar Association, and the American Bar Association.





Robert A. Stack, Esq., Litigation Counsel

Robert A. Stack,Esq. has been a licensed attorney in California and the U.S. District Court, Southern District of California since 1992. He graduated from the University of California, Davis with a bachelor of arts degree, the University of Oregon with a Master’s degree in finance, and Southwestern University School of Law with a juris doctorate degree, where he received an academic achievement award and was active in Phi Alpha Delta.

Robert drafted chapters for publication in major legal treatises with Dr. Gavin M. Erasmus. Dr. Erasmus, B. Comm., LI.B., D. Phil., a Doctorate in Eminent Domain Law and Compensation from Oxford University, visiting research alumni of eminent domain law from Harvard Law School, and a chairman of the International Conference on Eminent Domain.  Mr. Stack is a member of The State Bar of California (Bar Number 159316) and the San Diego County Bar Association.

Annie Tai, Esq.,
Associate Litigation Attorney

Annie earned her BA at UCLA in 2001. She earned her Juris Doctor (JD) with a Specialized Litigation

Certificate at Golden Gate University School of Law in San Francisco, California.

Annie has a diverse legal background. Prior to turning her focus to Trust and Probate Litigation, Annie’s experience includes interning at the International Criminal Tribunal for the Former Yugoslavia in 2009, clerking for the U.S. Attorney’s Office for the Northern District in 2010 for the Major Crimes Unit, clerking for the Los Angeles District Attorney’s Office Hardcore Gang Crimes Unit, and spending three years as an Associate Attorney at The Surrogacy Law Center. Annie is a member of The State Bar of California (Bar Number 283140) and the San Diego County Bar Association.


Practice Areas

Estate Planning

Trust & Probate Litigation

Heggstad Petitions


Trust Administration

Tax Law, including Tax Controversy

Litigation Services




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