Meet Our Team

Lisa E. McKnightLisa E. McKnight is a Dallas area family law attorney who is a fearless litigator and a compassionate advocate for her clients.

She is certified by the Texas Board of Legal Specialization as a specialist in family law. Held by less than 1 percent of all the lawyers in Texas, this certification is based upon: years of practice; focus in a specialty area; trial experience; professionalism; continuing legal education; evaluations by judges and fellow lawyers; and a written examination.

Lisa was born into family law, following in the footsteps of famed Dallas divorce lawyer Mary McKnight. After earning her law degree from Texas Tech University School of Law in 1991, Lisa worked for and partnered with her mother before opening her own family law practice in 1995.


Tamika Jones AbendrothTamika Jones Abendroth is a highly skilled family law attorney and legal advocate. She has exclusively practiced family law since 2004 and became Board Certified by the Texas Board of Legal Specialization in 2012. Prior to joining Lisa E. McKnight, P.C., Tamika was the owner of Jones Abendroth Law, PLLC and served as a staff attorney at Legal Aid of NorthWest Texas for 9 years. During her tenure at legal aid, she was able to assist indigent citizens of Dallas county navigate the sometimes daunting court system. Tamika is very familiar with the unique challenges of family law litigation. Tamika's passion for the law and her attention to detail makes her an effective and zealous advocate for each client.


Ellen HuttonEllen Hutton, M.S., LPC, has been working with individuals involved in high conflict family law cases as a mental health counselor, parenting facilitator, and child custody evaluator since 2010. In addition, with 7 years experience working as a paralegal in civil litigation Ellen understands the ins and outs of the court system. Although not acting in the role as a mental health counselor, it is Ellen's experience and unique skillset that allows her to connect with clients and guide them through what can sometimes be a very difficult process.

Ellen holds a Masters of Science in Counseling from Southern Methodist University. In addition, she earned a Bachelor of Applied Arts and Science Degree with a focus in applied behavior analysis and sociology at the University of North Texas.


Brenda RodriquezBrenda Rodriquez is the firm's head paralegal and office manager. She has been in the legal field since 2004 and worked at Lisa E. McKnight, P.C., since 2009. She is fluent in Spanish. Brenda has a degree in paralegal studies and a paralegal certificate. She frequently attends court hearings to assist Ms. McKnight. Most of her free time is spent with her family, which includes four children.


Regan Lynn DonnenfieldRegan Donnenfield has been primed for family law from the start. The day Regan Donnenfield walked into the late Judge James Martin’s Dallas courtroom to observe contempt hearings as a Southern Methodist University law student three years ago, she knew she was destined to become a family lawyer.

Judge Martin was a family friend who’d assisted in Donnenfield’s mother’s divorce when he was in private practice and was a man she’d always admired. And watching family lawyers ply their trade in front of Martin was enough to convince her that she had the skills do that job too.

Deriving from her own experience with family law as a child, Donnenfield brings a special perspective to her clients. In her own words, "I excel in setting strategy and seeing the big picture of a client’s situation while also paying attention to the small details."

So the Dallas native dedicated herself to learning all she could about the practice, served as a Research Assistant to an SMU law professor, and looked for an established family lawyer who’d be willing to give her courtroom experience. And Donnenfield eventually found Lisa E. McKnight after meeting a client who’d raved about McKnight’s advocacy skills. McKnight was pleased to discover that Donnenfield who was a quick study in all aspects of family law and the potential to become a rock star litigator.

A member of Phi Beta Kappa, Donnenfield graduated from Highland Park High School and the University of Texas Ampla Cum Laude with a Bachelor of Arts degree and Liberal Arts Honors Certificate. At SMU Law, she served as an Articles Editor for the International Law Review Association.

Donnenfield joins seasoned attorney Tamika Jones Abendroth at the firm. McKnight and Abendroth are both Board Certified in family law by the Texas Board of Legal Specialization.

Donnenfield is a member of the Dallas Bar Association Family Law Section, State Bar of Texas Family Law Section and Dallas Association of Young Lawyers.


Roberto CañasRoberto Cañas

Over the course of three decades, Roberto Cañas has developed a reputation as an ambitious attorney who turned out to be a natural fit for a variety of challenging legal jobs.

And now the award-winning jurist who presided over a Dallas County family violence court for nearly twelve years will join the family law boutique Lisa McKnight P.C. on September 4, 2018 where he will focus on domestic disputes and complex criminal cases.

A native west Texan, Cañas graduated with honors from Texas Tech Law School in 1997 and was recruited by Dallas' Haynes and Boone where he worked for two years as an associate handling specialized litigation including antitrust, healthcare and environmental cases.

An eager litigator who yearned for more trial experience, Cañas left the big firm world behind in 1999 and joined the Dallas County District Attorney's Office where he became a member of the Specialized Crime Unit prosecuting organized crime, embezzlement and insurance fraud.

The seasoned, unflappable prosecutor was then elected to the Dallas County Criminal Court No. 10 in 2006, a specialized court which handles misdemeanor family violence cases which attempts to break a cycle of violence before domestic abusers commit more serious crimes.

Over the course of 250 jury trials while managing a never-ending heavy docket of cases, Cañas' court was one of only three in the nation recognized as a Domestic Violence Mentor Court by the U.S. Department of Justice Office on Violence Against Women and was awarded over $1 million in federal grant money to help stem the tide of domestic violence in North Texas.

Cañas currently serves on Dallas Mayor Mike Rawlings Executive Task Force on Domestic Violence.

He was presented with the Mosaic Family Services Champion of Human Rights Award in 2013 and Genesis Women's Shelter HeRO Award in 2018 for his work as a judge.

"It's the silver lining in my career," Cañas said of his decision to join McKnight's firm where he will use his years of judicial experience to benefit family law clients for the first time. "I'm at the point in my career where I didn't want to practice only criminal law."

"I feel fortunate to learn from Lisa. Not everybody gets that chance," Cañas said.

McKnight said she feels fortunate to add Cañas to her team of family lawyers at one of the most effective and unique law firms in Dallas. Located in a 1909 historic home a mile east of downtown, her firm has a reputation for winning tough jury trials and is one of the only family law firms in the state with a professional counselor on its staff to assist in custody cases and clients in crisis.

"I'm very excited about Rob coming to work with us. He's got a bright future in family law," McKnight said. "He's a champion of domestic abuse victims and now he can use his skills to advance their civil interests."

Cañas joins attorneys Tamika Jones Abendroth and Regan Donnenfield at the firm. McKnight and Abendroth are both certified in family law by the Texas Board of Legal Specialization.

To learn more about our attorney, click on the respective links below.

The law firm of Lisa E. McKnight, P.C., provides solutions in all areas of family law. We offer a 30-minute telephone consultation for $75 in which we can review the facts of your case, provide a straightforward assessment and recommend the best steps to take. You can reach us by calling 214-528-4191 or using our online contact form.