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Mr. Snyder is licensed in Texas, and is admitted to practice before the United States District Courts for the Southern, Northern,Eastern and Western Districts of Texas as well as the Fifth Circuit and the United States Supreme Court. Mr. Snyder has also been admitted to practice in federal court in the Central District of California, as well as federal courts in Illinois and Ohio.

Jesse R. Castillo

Jesse R. Castillo was born and raised in San Antonio and served as a field artillery captain in the United States Army before earning his MBA from the University of New Mexico and his Juris Doctor from the University of Texas School of Law. After becoming the first Hispanic partner of San Antonio’s largest law firm, Cox & Smith, Mr. Castillo left to form his own law firm, eventually joining Martin, Drought & Torres as a partner in 1997. From 1997 until 2006 Mr. Castillo continued to fortify his well earned reputation as one of the best trial lawyers in South Texas.

Ms. Castillo is licensed to practice law in all courts of the State of Texas. Ms. Castillo is a member of the San Antonio Bar
Association, SABA Family Law sub-chapter, Bexar County Women’s Bar Association and Build the Bench.

Ms. Castillo has not only dedicated her career to serving the needs of her clients, but also the needs of her community. Ms. Castillo was selected to be a part of the San Antonio Hispanic Chamber of Commerce inaugural Latina Leadership program. Ms. Castillo was also featured in the May/June 2014 edition of Latino Leaders Magazine and was listed as San Antonio Scene’s 2015’s Best S.A. Lawyers in Civil Litigation Defense. Most recently, on March 3, 2016, Ms. Castillo was appointed by city councilman Roberto Treviño to serve on the City of San Antonio’s Ethics Review Board. Ms. Castillo’s areas of practice include family law, probate and small & minority owned business matters.

Mr. Snyder concentrates his practice on representing domestic and foreign companies and individuals in commercial litigation and business transactions in the United States, as well as counseling United States and foreign companies and individuals in business transactions and litigation in Mexico. Mr. Snyder also frequently represents receivers and trustees in complex litigation resulting from Ponzi and other fraudulent schemes. Mr. Snyder’s international practice encompasses primarily international commercial litigation, including cross border business torts, securities fraud, and international trade litigation. Mr. Snyder is fluent in Spanish.

Melanie A. Castillo

Melanie A. Castillo began her education at the University of Texas-Austin, where she received her undergraduate degree. Shortly thereafter, she received a graduate degree in public administration from the University of Texas-San Antonio. From there, she went on to St. Mary’s University School of Law in San Antonio to obtain her Juris Doctorate degree. While in law school, Ms. Castillo served as an intern attorney with the Civil Justice Clinic and interned for the Honorable Pamela A. Mathy in the United States District Court, Western District—San Antonio Division. Ms. Castillo presently practices in the areas of commercial litigation and family law.

Mr. Castillo’s practice includes a wide range of commercial litigation in State and Federal Courts, with an emphasis on commercial litigation and oil and gas disputes. Mr. Castillo represents numerous mineral owners, operators, oil and gas exploration companies and pipeline companies throughout Texas. Mr. Castillo has substantial jury trial experience in commercial cases, as well as lender liability, collection of indebtedness, labor/employment law, construction law, wrongful death, professional malpractice, Federal Tort Claims Act and other commercial disputes.


University of Texas (J.D., with Honors 1985)
University of New Mexico (M.B.A. 1982)
St. Mary’s University (1974)

Professional Affiliations

Texas Bar Association; San Antonio Bar Association;
​Retired Major, Judge Advocate General Corps, U.S. Army.



University of Texas, School of Law (J.D., 1994)
University of Texas at Austin (B.A., 1990)
Phillips Exeter Academy (1986)

Edward C. Snyder

Ed Snyder graduated from the University of Texas School of Law in 1994 and began his legal career as Legal Advisor to the former Chairman of the United States International Trade Commission (ITC). In that role, Mr. Snyder helped enforce U.S. trade laws and represented the United States government on trade missions throughout Latin America. Mr. Snyder joined the McAllen, Texas office of Martin, Drought & Torres in 1996, practicing international business law with specific focus on international business transactions involving Mexico. After 3 years in McAllen, where he served on the first Board of Directors of what is now the McAllen Hispanic Chamber of Commerce, in 1999 Mr. Snyder moved to San Antonio and transitioned his legal practice into an international commercial litigation focus.