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About Us

My firm provides comprehensive legal services and sound, reasoned advice. My wide range of experience, in state and federal courts, lets me deliver efficient and effective representation with your best interest always the primary goal. Litigation is about balancing risk; the art of law is balancing risk and cost to obtain the best possible result for the client. Common sense, excellent education and practical experience are combined with my personal desire to help each of my clients. You are important to me.


The Law Firm focuses on providing skilled legal representation with a personal touch. We are not just lawyers – We are your friend, your advocate,your adviser and your trusted legal resource.


At the Law Firm, we personally interact with you and help you understand your legal options in an affordable and comprehensive manner. Scott Mackenzie works with a team of attorneys including Paul Cross, Kavitha Mathew, and Moises Medina. We offer 25 years of proven legal experience and are fluent in Hindi, Urdu, Malayalam and Spanish.


D. Scott Mackenzie

Kavitha Mathew

Attorney Kavitha Mathew was born in Kerala, India. After completing her engineering degree at a prestigious university there, Ms. Mathew immigrated to the United States where she would become an excellent lawyer.


Ms. Mathew is licensed to practice law by the State Bar of Texas with a J.D. from SMU Dedman School of Law in Dallas.  She has zealously represented clients in North Texas for several years and is devoted to building long-term relationships and partnering with clients in achieving exceptional results.  Ms. Mathew is a fierce competitor and advocate both in and out of the courtroom.  She is very discreet and ensures the safety of all of the clients’ sensitive personal and financial details.  She is an excellent negotiator, known for achieving settlements that maximize the clients’ objectives. Clients are often entering the most difficult stage of their lives when they engage the law firm.  Ms. Mathew embraces her mission critical role in helping clients make rational, wise decisions about their futures.


Based on results and client reviews, Kavi is rated as one of the top three attorneys on Thumbtack.  Ms. Mathew has also been recognized by Avvo for her legal expertise in the practice of law.


Ms. Mathew is very active in charitable causes and devotes a significant amount of pro bono hours assisting the children of immigrants. She is also an avid volunteer at her local church.



Attorney Donald Scott Mackenzie is licensed to practice law by the State Bar of Texas with a J.D. from SMU Dedman School of Law in Dallas.  He is a graduate of California Polytechnic University in San Luis Obispo where he received a Bachelor of Science in 1994. He has been in private practice since obtaining his license in 2002 and practices in the areas of criminal defense, family law, injury litigation, and immigration.


Prior to his legal practice, Mr. Mackenzie was employed in the energy and transportation industries. He is licensed by and a member in good standing of the State Bar of Texas, the Dallas Court of Appeals, The United States District Courts of the Northern, Southern, Eastern and Western Districts of Texas, and the U.S. Tax Court. He is a member the Dallas Bar Association and the Electronic Frontier Foundation.


Mr. Mackenzie’s practice is mainly based on referrals. This is testimonial to the results he has obtained for his former clients. Mr. Mackenzie believes in building long term and trustworthy relationships with his clients. He focuses on getting the best possible results for his clients and provides practical solutions to their problems. His approach is based on his experience of nearly fifteen years. He is equally passionate about serving his clients whether they are affected by a person’s injury or impacted by the criminal legal system. He proves to be a tower of strength to those struggling with family issues and provides them with direction during a difficult time in their life.  With Scott, clients get an attorney who is experienced, educated and effective.


Scott likes to go sailing and spend time with his family.




Rafael Valbuena

Rafael R. Valbuena was born in San Felipe, Yaracuy, Venezuela. He has been working with the firm since graduating from high school in 2004. While working at the firm, Mr. Valbuena attended Richland College where he received his Real Estate certification and became a Professional Realtor. Mr. Valbuena ultimately received his Bachelor’s Degree in Applied Arts and Sciences from the University of North Texas in Denton in 2010.


Mr. Valbuena is currently on his second year at the University of North Texas at Dallas College of Law where he is pursuing a Juris Doctor degree. In the 11 years with the firm, Mr. Valbuena has assisted attorneys in personal injury, immigration, criminal and family law cases.


After graduating in May of 2017 with his Juris Doctor degree, Mr. Valbuena plans to continue his legal career with the firm as a licensed attorney.




Elizabeth Schefer

Elizabeth Schefer was born in Dallas, Texas. She graduated from Newman Smith High School in 2013 and is a future attorney in the making.


Ms. Schefer assists with scheduling, legal document preparation, and the organization and maintenance of client files. She also answers the phone and assists clients with any questions or concerns they may have.


 Ms. Schefer is highly appreciated by her clients because of her friendly personality and overall helpfulness.


In her spare time, Elizabeth likes to read poetry and go for evening jogs at Vitruvian Park.



The Law Office of Scott Mackenzie, P.C.

9535 Forest Ln.

Suite 117 Dallas, TX 75243



Mon-Fri 8:30 am - 6:00 pm

Sat -By Appointment Only

Sun - Available by Phone