In just three years, North Texas Director of Track & Field Carl Sheffield has returned the Mean Green program to its former glory.

In 2014, Sheffield coached Clinton Collins to an NCAA All-American individual honor. Sheffield also coached four All-Academic athletes in 2014, and a toal of 12 All-Academic athletes in his tenure at North Texas.

Ten North Texas athletes qualified for NCAA Nationals in 2014, the highest number in recent program history.

Sheffield coached two 2014 individual Conference USA Champions. Clinton Collins (400m), and Chastity Stewart (400 Hurdles). Collins finished in15th place and earnedAll-American honors.

At NCAA West Prelims, the 4X400M Relay team of Connor Bey, Clinton Collins, Collin Heard and Anthony Hamilton placed 18th, and freshman Elisha Petersplaced 25th in the women's high jump.

As helm of the prestigious track and field program at North Texas, Sheffield has led the Mean Green to two conference championships and two runner-up titles in two years. The women's outdoor program won back-to-back titles in 2012 and 2013, while the women's indoor team picked up second-place honors in 2012 and 2013. The 2012 outdoor title was the best finish for the women since winning the championship in 2003.

Sheffield also guided the men's team to the most individual outdoor champions, five in 2012, since 2008 when North Texas had six individual outdoor champions.

Individually, Sheffield was recognized for his team's success. He was named the Sun Belt Conference Outdoor Coach of the Year in 2012 and 2013. He was also named the indoor coach of the year in 2012.Under Sheffield's leadership, athletes have broken a total of 16 school records.

Under Sheffield, the Mean Green has continued to see success at the national level. North Texas has sent at least one athlete to the NCAA Championships in nine out of the last ten years.

In 2013, track and field sent a combined three athletes to the NCAA Championships. It was the first time three Mean Green athletes participating in individual events have gone to the NCAA Championships since 1983.

Shahaf Bareni's sixth-place finish at the NCAA West Prelims insured her a spot at the NCAA Championships. Bareni placed seventh at the championships with a record-breaking jump of 1.83 meters, leading her to the highest finish in school history.

Steven White finished his career with a third-place finish in the men's 400-meter hurdles in a school record 49.32 at the NCAA Championships. White's third-place finish is the best for North Texas by an individual or relay team since Bill Schmidt finished second in the men's javelin at the championships in 1970.

In 2012, White was named an USTFCAA Second-Team All-American after finishing 14th in the NCAA Outdoor Track and Field Championships in the 400-meter hurdles. White also participated in the U.S. Olympic Trials.

Sheffield spent 12 years coaching as a Mean Green track & field assistant coach from 1996 to 2007 before departing for an opportunity to be the performance coach at the Michael Johnson Training Center in McKinney, Texas.

Under Sheffield's guidance as the sprints and hurdles coach at North Texas, his athletes established or tied over 20 school records and earned more than 70 all-conference awards from 1996-2007. The Mean Green won four team championships while Sheffield was on staff, two on each of the men's and women's side.

He brings enhanced credentials through his work at the Michael Johnson Training Center where he focused on improving the ability of his athletes to integrate linear speed concepts through biomechanics, motor control and performance analysis.

Sheffield began his coaching career as a volunteer assistant at LSU in 1988. The Tigers went on to win a string of 11 consecutive NCAA Indoor and Outdoor Championships. He also coached national-caliber athletes with Nike sponsored teams in Texas and along the Atlantic coast before his first stint at North Texas.

A native of Dallas, Sheffield was one of the top-five hurdlers in the state while attending Skyline High School and attended UTA on scholarship as a high hurdler.

After earning his bachelor's degree from UTA in 1993, Sheffield earned his Master of Science from North Texas in exercise physiology in 1996. In addition to his coaching duties, he served as an adjunct instructor for North Texas from 2005-07 for the Department of Kinesiology.

Carl and his wife, Tara, have two sons, Julian and Aiden.