Jeff Cook

Jeff Cook
Phone: (214) 520-7494
Cell Phone: (214) 478-2448
Fax: (214) 528-6925

Jeff is a 1984 graduate of Southern Methodist University Law School. He began trying cases immediately after graduation and by 1989 had tried enough jury trials to become board certified in civil trial law at age 29.

About the same time, he became partners with Bob Sullivan and they have been partners ever since.

Jeff’s practice consists primarily of trial work on both sides of the docket in business, complex family law matters, personal injury and probate / Guardianship litigation.

​Jeff is married to Lisa Cook and they are long time residents of Southlake, Texas. He has four children. Jeff’s hobbies primarily involve hunting and horses. Jeff is active in many conservation organizations, including being a life member of the Rocky Mountain Elk Foundation. Jeff has hunted and guided on 22 safaris in South Africa and Namibia. Jeff has operated Widowmaker Trail Rides, a horseback riding business since 2002. Jeff is also a licensed guide in Wyoming and personally guides wilderness horseback elk hunts each October since 1996. Finally, Jeff manages and is the head guide for the Double A Ranch, a premier private land elk hunting operation in Hayden, Colorado.

Areas of Practice:

Family Law
Real Estate & Business Disputes
Probate, Trust and Guardianship Litigation
Employment Law
Nursing Home Litigation
Professional Association Litigation
Labor Law
Personal Injury
Equine Law

Litigation Percentage:

90% of Practice Devoted to Litigation


Civil Trial Law since 1989

Bar Admissions:

Texas, 1984


Southern Methodist University School of Law, Dallas, Texas, 1984

Professional Associations and Memberships:

Rocky Mountain Elk Foundation Life Member
Lifelong Member of the National Rifle Association

A regional Texas, law firm primarily serving people in cities such as Dallas, Allen, Plano, Richardson, Fort Worth, Frisco, Garland, Southlake, Carrollton, Grand Prairie, McKinney, Denton, Mesquite, and Rockwall and throughout Dallas County, Denton County, Collin County, Tarrant County, Parker County, Montague County, Cooke County, Wise County and Rockwall County.