Charles Mark Styron, 54, passed away on Monday, December 19, 2016 peacefully at home, surrounded by his family.Born September 17, 1962 in Houston, Texas, Mark was the youngest of four children born to the late Charles and Billie Ann Styron. He attended Westbury High School in Houston (1981), earned a Bachelor of Science in Biology from Abilene Christian University (1985), and completed his Juris Doctorate at Texas Wesleyan University (2012).During his childhood, he was adored by his three older sisters, and developed a strong work ethic at a young age. He learned team-building skills through playing football, and earliest work experiences included newspaper delivery, assisting his father with civil engineering surveys, and fence building.Mark was humble in regard to his academic and professional achievements, and a man of honor and integrity. He was a loving and devoted husband, father, and son, caring for his parents in their later years. Throughout his life, he held strong to his Christian beliefs. God and family were paramount. He led by example to his children and friends. The highlight of Marks life was the joy he received from his three children.Mark held himself to the highest standards in both his personal and professional life. Following college, he was proud to serve as an Officer with the Dallas Police Department. In 1987, he became a Special Agent with the Drug Enforcement Administration, and worked at the Dallas Field Division for fourteen years. He became fluent in Spanish and completed Army Ranger School prior to a variety of overseas assignments, including Bolivia, Costa Rica, Belize, and Colombia where he worked as a Group Supervisor of the Heroin Task Force. After returning to Dallas in 2008, his career continued with positions as Group Supervisor for the High-Intensity Drug Trafficking Area (HIDTA), Inspector with the Office of Professional Responsibility, and Assistant Special Agent in Charge (ASAC) at both the Dallas Field Division and later, Operational Commander of the HIDTA Task Force.He will be remembered for his strength, integrity, intelligence, determination, attention to detail, as well as his wit, wisdom and compassion. Quitting was never an option for Mark, even when it came to battling his cancer. Mark had the ability to balance his commitments to family, friends and work, along with his pursuit of numerous personal interests including cycling, skiing, hiking, wood crafting, gardening, cooking, painting, traveling and reading. He touched many lives and was loved by all who knew him.Mark was preceded in death by his parents. He is survived by his loving wife of 29 years, Christine, and three children; John, Alison, and Sydney. He is also survived by his three sisters; Deborah Styron, Geri Rosendahl, and Kimberly Estes (Jay Scott); Aunt and Uncle, Nita and Bill Hrach, Pam Johnson; nieces, nephews, cousins and a host of friends.Cremation has taken place and a memorial service to celebrate Marks life will be held at Prestoncrest Church of Christ, 6022 Preston Crest Lane, Dallas, Texas 75230 on Friday, January 6, 2017 at 10:30am.Memorial contributions in Marks honor may be made to:Abilene Christian University General Endowed Scholarship Unrestricted Fund - a fund designated for student affordability.acu.edu or mail to: Gift Records / ACU Box 29132 /Abilene, TX 79699Please leave the family condolences and share memories on this website.