Athletic Director | E-Mail the Coaches | School Information
Ruben Mendoza
Ruben Mendoza is in his third year with the Tigers serving as Assistant Director of Strength and Conditioning.
Mendoza is responsible for overseeing 13 Olympic sports as well as the graduate and student assistant programs for the strength and conditioning department. He also assists in the development and implementation of strength, speed and conditioning regimens for the Tigers football team.
A standout collegiate football player, Mendoza started every game in his college career. He attended Yankton College, South Dakota for two years then transferred to Wayne State College in Nebraska. Mendoza was a two time All-American adding Kodak All-American honors his senior season.
In 1986, he signed with the Green Bay Packers as a free agent. Mendoza played from 1986 to 1989, before returning back to Wayne State to coach the offensive line as well as coordinate the strength and conditioning program. In 1990-1992 Mendoza was an Assistant Strength and Conditioning Coach at the University of South Carolina. In 1992-1993 he became the defensive line coach and assisted in the weight room at Presbyterian College, South Carolina. In 1993 Mendoza became the Director of Strength and Conditioning at the University of Tennessee at Chattanooga and was there till he became a Clemson Tiger in 1997. Mendoza is a member of the NSCA and ISSA. He is certified SSC of the ISSA and is a Club Coach of the United States America Weight Lifting Federation.
Mendoza is married to the former Kris Prososki. They have three children Nicholas, Emmanuel and Grace.
E-Mail: Rmendoz@clemson.edu
John Sisk
John Sisk is in his third year with the Tigers serving as Assistant Strength and Conditioning Coach and Coordinator of facility.
Sisk serves as an assistant with the football Strength, Speed and Conditioning program and directs the Strength, Speed and Conditioning program for the Tiger Baseball team. He also is responsible for overseeing the Tigers 14,000 square feet training facility.
A graduate of Western Carolina University (1993), Sisk played for legendary Catamount Coach Bob Waters. In 1991-1993 Sisk served an assistant football coach and strength coach at Tuscola High School in Waynesville, NC. In 1993-1995 Sisk was an Assistant Strength and Conditioning Coach at Furman University. In 1995-1997 Sisk was named Director of Strength and Conditioning at Western Carolina University. Sisk is a member of NSCA and ISSA. Also certified SSC and Club Coach (USAWF).
E-Mail: Jsisk@clemson.edu
Larry Greenlee
Larry Greenlee is in his first year as a full time Assistant Strength and Conditioning coach at Clemson. Larry served as a graduate assistant for two years under Director Joey Batson.
One of Greenlee’s responsibilities is facilitating the Tiger Power Station. This is a nutritional supplementation program that is provided to all Tiger Athletes. Greenlee also oversees the men’s and women’s track and field programs. This duty consist of developing and implementing the strength, speed and conditioning programs for both teams.
As a nationally ranked track and field athlete, Larry began his career as two sport athlete, football and track and field, at North Carolina State University. After one year he transferred to Clemson University as only a track and field athlete. During his career as a Tiger, he accumulated two national runner up titles and four ACC Championship Titles.
E-Mail : LG@clemson.edu
Jeff Watkinson Basketball Strength and Conditioning Coach
Jeff Watkinson is in his first year as the Clemson Basketball Strength and Conditioning Coach. He comes to Clemson after a two-year stint as the Head Strength and Conditioning Coach at UNC Charlotte. At Clemson, Watkinson will be responsible for all aspects of the men’s and women’s strength and conditioning programs. His primary focus will be to enhance the strength, agility, and endurance of both teams. While at UNC Charlotte, Watkinson’s responsibilities included designing and implementing year-round strength training programs for all 14 of the 49er sports. He supervised and maintained the weight room facility, while also educating athletes on nutrition and supplementation.
Before working at UNC Charlotte, Watkinson served as the Assistant Director of Sports Performance at the College of Charleston for eight months. He was the primary strength and conditioning coach for the baseball, softball, women’s basketball, and men’s and women’s swimming programs.
Watkinson graduated from Kishwaukee College in 1991 with an A.S. in pre-medicine. He graduated cum laude in the pre-medicine program at Kishwaukee and was a member of the baseball team. In 1993, Watkinson earned a B.S. in pre-medicine from NC State, where he was also a member of the Wolfpack baseball program. Watkinson earned a M.S. in exercise science from Indiana University in 1996. While at Indiana, he also completed over a year of doctoral study in human performance.
He is a member of the National Strength and Conditioning Association. In August of 1998, the association’s journal published an article authored by Watkinson entitled, “Performance Testing for Baseball.” He had another article published by the journal in October of 1997 entitled, “A Strength, Speed, Power Approach to Improving Throwing Velocity for Baseball.”
December 10, 2024
