About Us

Kenneth Morgan Biggs

Mr. Biggs is the Co-Founder and Managing Shareholder of Biggs & Greenslade, PC. Biggs has an extensive background in government and criminal law. He is a United State Marine Corps veteran where he spent the majority of his service overseas in the III Marine Expeditionary Force, Special Operations Training Group and specialized in Amphibious Special Operations.

Joining the Marine Corps early in my life, I acquired an impeccable work ethic and attention to detail that has carried over into every aspect of my life, including the cases that I work today. I approach every client’s matter with resolve and fortitude to maximize the potential for success.

After separating from the military and gathering experience in law enforcement deployment procedures, Mr. Biggs served two tours in Iraq during the Iraqi Police Reconstruction Mission. After completing law school, Biggs spent the next nine years as Assistant Criminal District Attorney trying over one hundred cases to jury verdict, ranging from misdemeanors to capital murder.

There is no substitute for first-hand trial experience, regardless of the nature of the case you are litigating. That premise, coupled with always being the most prepared person in the courtroom, is the recipe for success that John and I have utilized. Each client and case we engage is handled with relentless focus and determination to win. There is no greater reward than our clients reaching out to embrace us after we have achieved life changing results in their case.

Mr. Biggs focuses his legal practice on police complaint and misconduct cases, personal injury, and criminal law.

Mr. Biggs resides in Henderson with his family and attends First United Methodist Church. Mr. Biggs wife, Allison Biggs, is a successful family and criminal law attorney in Henderson. They routinely rely on each other's knowledge and experience and enjoy challenging each other on legal strategy and issues. They enjoy traveling and spending time with their two children, enjoying most weekends at the youth baseball fields or other sporting events.

Traveling between Henderson and Tyler, Biggs is available by appointment at both office locations.

Texas Municipal Police Association


John Greenslade

John Greenslade is the Co-Founder and Managing Shareholder of Biggs & Greenslade, P.C. Mr. Greenslade is an East Texas native, born and raised in Kaufman, Texas. Mr. Greenslade graduated from Texas Tech University with a Bachelor of Arts Degree in Political Science. He then graduated from law school in 2010. After law school, Mr. Greenslade returned to East Texas and joined a large Insurance Defense Firm representing insurance companies and corporations for eight years. During this time, Mr. Greenslade gained invaluable experience in all aspects of litigation.

Aggressive and confident advocacy is the bedrock of any good trial attorney, but there is no substitute for experience and preparedness. That’s why we approach every case like it was our own family members in need, focusing on a positive outcome with relentless determination. We aren’t trying to simply turn cases and we are not a volume-based business. We focus on results.

Mr. Greenslade oversees all aspects of personal injury and insurance defense litigation for Biggs & Greenslade, P.C. Mr. Greenslade has extensive background in large and complex cases both in state and federal courts. During his legal career, he has tried cases to verdict in Harrison, Gregg, Cherokee, Rusk, Smith, Van Zandt, Dallas, Kaufman, Wood, Bowie, Limestone, Anderson, and Nueces Counties. Mr. Greenslade is licensed in the United States District Court for the Eastern District of Texas and State Bar of Texas.

My roots are deep in East Texas and I genuinely enjoy helping people in our communities. Over the years, I have learned effective negotiating skills and those experiences enable me to often achieve success without the need of going to court. But, we are no strangers to the courtroom and we welcome the opportunity to fight for our clients.

Mr. Greenslade resides in Tyler, Texas with his wife, Summer, and their three boys. They are members of South Spring Baptist Church. In his spare time, Mr. Greenslade enjoys spending time with his wife and coaching his sons’ little league teams.


Sara Pegg

Sara Pegg is the Office Manager and Legal Assistant for Biggs & Greenslade, P.C. She is a born and raised “Tylerite” and graduate of Robert E. Lee High School. She attended Tyler Junior College where she obtained her Associates Degree in Business Management. Mrs. Pegg is an experienced Office Assistant with a history of working in the legal services industry.

Mrs. Pegg and her husband, Tyler, have a two-year old daughter who keeps them busy outside of work. She enjoys nature, photography, and spending time with her family.

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