Sonju brings the Jackals extensive sports industry leadership experience, including his role as longtime President and General Manager of the Frisco RoughRiders (Double-A affiliate of the Texas Rangers).
During Sonju’s 13 years leading the RoughRiders, the club was named “Organization of the Year” twice and received Baseball America’s top accolade, the Bob Freitas Award. Known as one of the most successful teams in minor league baseball history, the RoughRiders led all 30 double-A teams in attendance every year of Sonju’s tenure.
Sonju graduated from Texas A&M University and earned his MBA at Northwestern’s Kellogg School of Management, where he quadruple majored. His first job in sports was at the Dallas Mavericks, where he worked in the ticket sales department. After two years, Sonju moved to upstate New York to help manage a nonprofit family resort, CAMP-of-the-WOODS, where he founded LIFT, an outdoors oriented leadership development program for gap year students.
Currently, Sonju serves as President of Neltex Sports, parent company of the Jackals that owns, develops, and operates various sports and entertainment related properties.
Sonju likes to be involved in the community and over the years has served on multiple boards, including the Collin County Business Alliance, Chosen Child Adoption Services, National Sports Marketing Network, Frisco Chamber of Commerce and the Frisco RoughRiders Foundation, which he founded. He is also an adjunct professor at Southern Methodist University, where he teaches a popular masters level Sports Sponsorship course. Sonju is a two-time selection for the Dallas Business Journal “40 Under Forty” and was named Texas League Executive of the Year in 2014.