David Kenneth Sergi

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. Awards and Honors Super Lawyers® Selectees David Kenneth Sergi included in a Super Lawyers® list Other Sources of Feedback About David Kenneth Sergi Included on the 2026Texas Super Lawyers list Past Lists 2025 Texas Super Lawyers list 2024 Texas Super Lawyers list

• Managing Partner

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

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

• Dees v State
• Citation: ---S.W. 3d---
• Court: Fort Worth Court of Appeals
• Year: 2013
• Ex Parte Pruitt
• Citation: 187 S.W 3d 635
• Court: Court of Criminal Appeals
• Year: 2006
• In Re Sparks
• Citation: 258 F. 3d 258
• Court: 5th Circuit Court of Appeals
• Year: 2011
• Ex Parte Hathorn
• Citation: 296 SW 3d 570
• Court: Texas Court of Criminal Appeals
• Year: 2009
• Caine v Whitlock
• Citation: 741 SW 2d 528
• Court: Texas Appeals- 14th District
• Year: 1987
• Ancillary Businesses
• Local Government Relations

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

• 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

• Texas Criminal Defense Lawyers Association, 1995 - Present (Member)
• Fraternities and Sororities
• Sigma Alpha Mu