Frank Guerra, IV was born in McAllen and raised in Starr County, Texas. He received his Bachelor of Arts degree in Political Science from Texas A&M University in 1992. While at Texas A&M, he was a member of the Corps of Cadets and served as Commander of Squadron 15 and Commander of the elite Ross Volunteer Company. Frank then obtained his Doctor of Jurisprudence degree from the University of Texas School of Law in 1996. While at the University of Texas, he served as Intern to the Honorable Justice John Cornyn, Supreme Court of Texas, in 1995 and as Intern/Research Assistant to the late Charles Alan Wright. He was also an officer on the Board of Advocates and was a member of the ATLA Mock Trial Regional Champion, State Finalist and National Quarter Finalist Teams in 1995 and 1996. He was subsequently inducted as a National Member of The Order of Barristers. After graduating from law school, he joined the law firm of Allen, Stein, Powers, Durbin & Hunnicutt, where he practiced insurance defense and civil litigation law. He managed the Rio Grande Valley Office of Allen, Stein & Durbin from 1999 to 2001.

Frank joined the San Antonio office of Watts Law Firm, L.L.P., in 2001, where he primarily practices product liability, commercial and civil litigation. He also serves on the Malpractice, Premises & Products Pattern Jury Charge Committee for the State Bar of Texas and is certified by the Texas Board of Legal Specialization in Personal Injury Trial Law. He was co-counsel with Mikal Watts in Garza v. Holiday Inn, Castro v. Ford, and Garcia v. Ford in which the jury rendered significant verdicts to the plaintiffs.

He was chosen as a "Texas Super Lawyer" in 2003 and as a "Texas Rising Star" in 2004 by Texas Monthly. Frank is licensed to practice in the state courts of Texas and the United States District Courts for the Northern, Southern, Eastern and Western Districts of Texas. He is a member of the State Bar of Texas, American Bar Association (ABA), the Attorneys Information Exchange Group (AIEG), the Association of Trial Lawyers of America (ATLA), the Texas Trial Lawyers Association (TTLA), the San Antonio Young Lawyers Association and the San Antonio, Hidalgo County and Cameron County Bar Associations. Frank is fluent in written and spoken Spanish