Dietz & Jarrard, P.C.

106 Fannin Avenue East

Round Rock, TX 78664-5219

Phone: (512) 244-9314

Fax: (512) 244-3766


Representative Experience

Mr. Cornwell’s practice involves client counseling and representation in general commercial litigation.

Represents businesses with termination issues, unemployment claims, defending claims of harassment, Fair Labor Standard Act wage claims, and on other issues regarding employment contracts, theft of trade secrets, and covenants not to compete.

Represents businesses, shareholders, and partners in disputes involving embezzlement, shareholder oppression, and breaches of fiduciary duty.

Represents municipalities in civil rights and employment claims and cases.

Represents landowners in condemnation and eminent domain situations to maximize fair market proceeds.

Represents contractors and subcontractors with breach of contract cases, collections, and lien claims.

Represents landowners against county appraisal districts with fair market valuations, exemptions, and property tax rollback disputes.

Certified Mediator with experience in conducting mediations in County and District Court cases in both Travis and Williamson Counties.


The University of Texas School of Law, Austin, Texas - 1999 Juris Doctor; Certified Mediator
Southwest Texas State University, San Marcos, Texas - 1993 Bachelor of Arts in Political Science

Bar Admissions

Texas – 1999
U.S. District Court Northern District of Texas – 2007
U.S. District Court Western District of Texas – 1999
U.S. Court of Appeals 5th Circuit – 1999

Professional Memberships

Williamson County Bar Association – 1999
Federal Bar Association – 1999

Pro Bono / Community Activities

Rotary Club of Round Rock – 2002 to Present
Pattern Jury Charge Committee – 2000-2003
Settlement Week Mediator – Williamson and Travis Counties
Williamson County Humane Society – Director 2000-2003