David Kenneth Sergi

David Kenneth Sergi

Managing Partner
San Marcos, Texas

Mr. Sergi brings his unique back ground to the practice of law in San Marcos. He was born in Hamburg Germany where his parents where opera singers. His schooling included stints at the International Schools as well as British military schools. After he moved to Texas with his parents he attended Anderson High School in Austin and graduated from Allen Military Academy in Bryan. He thereafter graduated from Texas A and M university and South Texas College of Law.

 His legal experience combines the honor of having served as a Law Clerk to a Federal Judge as well as having practiced with two of the largest and most prestigious law firms in the Country. He has also worked overseas representing major clients in Australia and served on the trial team of a defendant at the International Criminal Tribunal for the Former Yugoslavia in The Hague as well as attending arguments for one of his clients at the International Court of Justice in The Hague.

He has established a practice in San Marcos, which combines his courtroom expertise in the areas of commercial and criminal litigation along with his passion for family law as well as his commitment to represent business interests and developers in the Hays County area.

Areas of Practice

  • 20% Civil Litigation
  • 25% Criminal Law
  • 25% Family Law
  • 10% Commercial Law
  • 20% Personal Injury

Litigation Percentage

  • 25% of Practice Devoted to Litigation

Bar Admissions

  • Texas, 1985
  • California, 1987
  • U.S. District Court Eastern District of Texas, 1987
  • U.S. District Court Western District of Texas, 1986
  • U.S. Court of Appeals 5th Circuit, 1985


  • South Texas College of Law, Houston, Texas
    • J.D. - 1985
    • Law Review: STCL Law Review, Member, 1983 - 1985
  • Texas A & M University, College Station, Texas
    • B.A. - 1982
    • Major: Agricultural Economics

Representative Clients

  • Landry's Restaurants
  • Harper Farms
  • Surya Inc.


  • Federal Habeas Corpus, Mississippi College of Law, 2008 - 2009

Professional Associations and Memberships

  • Texas Criminal Defense Lawyers Association, Member, 1995 - Present

Past Employment Positions

  • US District Court, Southern District Tex Laredo, Law Clerk, 1985 - 1986

Pro Bono Activities

  • Sigma Alpha Mu Fraternity, 2008 - Present
  • Central Texas Medical Center Foundation, 2008 - 2011
  • Major Texas State Guard, Judge Advocate General Corps, 2003 - Present
  • San Marcos Voice: Neighborhood Council, 2012 - Present

Ancillary Businesses

  • Local Government Relations


  • German


  • Sigma Alpha Mu