Derk Wadas

Derk Wadas DUI Lawyer in McKinney TXMr. Wadas is a founding partner of Rosenthal & Wadas, P.L.L.C. Mr. Wadas was previously a criminal prosecutor for nearly six years in two different District Attorney’s offices. While an Assistant Criminal District Attorney in Collin County he served on a felony trial team, and was the Chief Prosecutor in County Courts at Law One and Two.

Mr. Wadas is Board Certified in Criminal Law by the Texas Board of Legal Specialization. He devotes his practice to representing people against all state and federal criminal charges.

As a prosecutor from 1999 to 2005, he tried over seventy five cases to a jury . As a defense attorney for the last seven years, he has tried many, many more cases to juries and has achieved results for clients – both in and out of the courtroom.


It is very important to Mr. Wadas to remain at the forefront of the developing law and defenses in my field. For this reason he is a member of:

  • Association of Federal Defense Attorneys
  • The Texas Criminal Defense Lawyers Association,
  • The Bar Association for the Federal Fifth Circuit.
  • The Collin County Criminal Defense Lawyers Association
  • Board of Directors of the Collin County Criminal Defense Lawyer’s Association

He is licensed in all Texas courts, the United States District Court for the Eastern District of Texas,  the U.S. Court of Appeals for the Fifth Circuit, U.S. District Court for the Northern District of Texas, and the U.S. District Court for the Eastern District of Texas.

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