About Us

Located at the NSCA World Headquarters in Colorado Springs, the NSCA Performance Team is comprised of Registered Strength and Conditioning Coaches (RSCC) or Certified Strength and Conditioning Specialists (CSCS).

Senior Director of Corporate Sponsorship and Special Projects

Boyd Epley, MEd, CSCS,*D, FNSCA, RSCC*E

Boyd Epley

Boyd Epley is the most decorated strength coach in history. Lindy’s National College Football magazine named him one of College Football’s Top 100 Most Important People of the Century after his training program helped produce five national championships and 356 wins in 35 years of Nebraska Football. He is the founder of the NSCA and continues to be an advocate for strength coaches.

Publications Director

Keith Cinea, MA, CSCS,*D, NSCA-CPT,*D

Keith Cinea

Keith Cinea has worked for the National Strength and Conditioning Association since 1999. Before coming to the NSCA, he was the Strength Training Coordinator for the Central Denver YMCA, and worked as an adjunct faculty member at Front Range Community College in Westminster, CO. Cinea earned his BA and MA in Exercise Physiology from the University of Northern Colorado and holds a 1st degree black belt in taekwondo.

Chief Science Officer

Carwyn Sharp, PhD, CSCS, RSCC*D

Carwyn Sharp

Carwyn Sharp earned his Bachelor’s degree in Exercise Management and Prescription, Master’s in Exercise Science, and Doctorate in Clinical Nutrition. He has worked in academia as an Assistant Professor and full-time Lecturer. Sharp worked for Wyle Laboratories conducting exercise science experiments at NASA Johnson Space Center. He also has 14 years coaching experience, including serving as Head Performance Coach at Elite Training 4 Athletes. He has spoken at many meetings/events, and been interviewed for national publications. Sharp has authored and co-authored numerous articles, manuscripts and abstracts, has been a CSCS-certified member of the NSCA since 2003, and achieved RSCC distinction.

Coaching Program Manager/Head Strength Coach

Scott Caulfield, CSCS,*D, RSCC*D

Scott Caulfield

Scott Caulfield is responsible for the day-to-day supervision and training of all athletes, interns, and coaches at the NSCA’s 6,000-square-foot Performance Center at the NSCA National Headquarters. He also serves as the Head Strength and Conditioning Coach for Colorado College Men’s Ice Hockey. Coach Caulfield works diligently to promote the NSCA and its coaches, including work with national governing bodies such as the United States Olympic Committee, U.S. Ski and Snowboard Association, U.S.A. Bobsled and Skeleton Federation, U.S. Figure Skating, U.S.A. Hockey, and U.S.A. Ultimate. He has been a certified member of the NSCA since 2003 and most recently served as an assistant strength and conditioning coach at Dartmouth College.

Coach Caulfield is a former NSCA State Director (Vermont) and Strategic Planning Committee member (2010). He has successfully completed courses/certifications with the Australian Strength and Conditioning Association (level 1), USA Weightlifting (level 1 & 2), Functional Movement Systems (level 1), Movement Training Specialists (level 1), TRX, and ASAE (Leadership Training). 

Coaching Performance Coordinator/Assistant Strength and Conditioning Coach

Doug Berninger, MEd, CSCS,*D, RSCC

Doug Berninger

Doug Berninger received his Master of Education degree in Kinesiology from Bowling Green State University in 2011. He has had the opportunity to work with athletes in many different settings including Athletes’ Performance, Bowling Green State University, the National Strength and Conditioning Association, the Olympic Training Center (Colorado Springs) and most recently, the University of Michigan. Along with his passion for coaching athletes to excellence, he also enjoys the education aspect of the strength and conditioning profession. He has written articles for publication on EliteFTS.com, held two personal blogs on strength and conditioning, and hopes to write several books in the future. Berninger’s personal athletic background includes competing in weightlifting and powerlifting for the past five years. Although he considers weightlifting to be his niche within strength and conditioning, you may see him in Strongman in the near future.

Personal Training Program Manager

Nick Clayton, MS, MBA, CSCS,*D, RSCC

Nick Clayton

Nick Clayton most recently served as Director of Performance at TMI Sports Medicine where he developed a sports performance program for youth through professional athletes. While there, he trained a number of major league baseball players and focused on performance enhancement and prehab training. Prior to working at TMI, Clayton was the Assistant Director for Recreational Sports at the University of Florida. He earned his undergraduate degree from Rowan University, his MS in Exercise Science, and MBA from the University of Florida.

Tactical Strength and Conditioning (TSAC) Program Manager

Tyler Christiansen, CSCS,*D, RSCC

Tyler Christiansen is a veteran soldier currently working as the Tactical Strength and Conditioning (TSAC) Program Manager at the National Strength and Conditioning Association (NSCA). Christiansen has worked with tactical athletes in the Special Operations Forces (SOF) community, including the 7th Special Forces Group, a Special Missions Unit in the greater DC area, as the TSAC Coordinator at the NSCA, as an Exercise Physiologist at the Army Physical Fitness Research Institute, and as a contractor in Baghdad, Iraq. Additionally, Christiansen has worked with sport athletes at Iowa State University, Illinois State University, and the Colorado Rockies Major League Baseball (MLB) organization. He is also a Certified Strength and Conditioning Specialist® with Distinction (CSCS,*D®), a Registered Strength and Conditioning Coach (RSCC), and earned the FMS and USAW certifications

Exam Development Specialist

Juan Aponte, MS, CSCS,*D, NSCA-CPT, TSAC-F

Juan Aponte

Juan Aponte earned a BS in Physical Education from Brigham Young University. He then earned an MS in Exercise and Sport Science from the University of Utah. Following this, Juan worked as the physical education faculty for Diné College where he coordinated intramural sports and the fitness and wellness program in addition to his teaching responsibilities. Prior to coming to the NSCA, Aponte worked as a physical education instructor at the United States Military Academy. He is interested in exercise adherence and program design to improve dynamic functional living.

Exam Development Manager

Francis Neric, MS, CSCS,*D, CSPS, NSCA-CPT,*D, TSAC-F

Francis Neric

Francis Neric graduated from California State University-Long Beach in 2002 with a BS in Exercise Science and completed his MS in Clinical Exercise Physiology from California State University-Fullerton in 2005. His thesis titled, “The Effects of Submaximal Swimming and Electrical Muscle Stimulation on Blood Lactate Following Sprint Swimming” was published in the Journal of Strength and Conditioning and Research, and was later used by the firm to gain FDA clearance to market its product for sports performance. Professionally, Neric coached swimming at the age-group, collegiate, and master’s level for over 12 years. After coaching, he began working at the NSCA in 2008 as the Continuing Education and Exam Preparation Coordinator. After serving in this role for three years, he was promoted to Exam Development Manager.

Digital Production Coordinator


Robyn Mason

Robyn Mason is a multimedia expert whose experiences include working in the Sport Performance Division for the United States Olympic Committee for eight years and as a Sport Technologist for the last five. Highlights include serving coaches and athletes by providing video-based feedback and scouting for both training and competition. She traveled with several teams to major events including taekwondo, boxing, wrestling, speedskating, and bobsled leading up to and during four Olympic Games (Athens, Torino, Beijing, and Vancouver). She earned her Master’s degree in Sport Management from American Public University and her BS in Exercise Science from the University of Scranton. She is Dartfish Certified and a Level E Coach through Colorado Youth Soccer.

Education Coordinator

Kathryn Russell, MS, ATC, CSCS,*D, NBCT

Kathryn Russell

Kathryn Russell earned her Bachelor’s degree in Sports Management and Athletic Training from Washington State University and her Master’s degree in Sports Medicine with a secondary emphasis in Exercise Physiology and Biomechanics from the University of Oregon. Throughout her college years, she was involved in design and development of the student weight rooms while also working as a student athletic trainer. Over the past 15 years, Kathryn has been teaching at the college and high school levels while working part-time as an athletic trainer and advisor for the strength and conditioning of the various schools' athletes. She spent 12 years as part of the NSCA’s State Director program volunteering as State Director, Regional Coordinator, and Chair of the Program. Kathryn was employed as the first Strength and Conditioning Coach for Pacific Lutheran University, yet resigned to focus on high school athletes. In recent years, she successfully completed the rigorous National Board Teaching Certification process and worked to develop programs and coursework for future professionals in the field of strength and conditioning and athletic training.

Performance Center Administrator/ Assistant Strength Coach

Aubrey Watts, CSCS, FMS-1

Aubrey Watts

As the Performance Center Administrator for the NSCA, Aubrey coordinates the scheduling of all teams, individual athletes, special events, and staff and professional development. She developed the youth summer camp program and works with different athletes ranging from high school to local tactical officers. Prior to joining the NSCA, Aubrey was a sports performance coach and operations manager at Velocity Sports Performance, where she worked with athletes ranging from youth to prospective NFL players. With a background in gymnastics and competitive cheerleading, Aubrey coached throughout her time at California State University Long Beach, where she graduated in 2013 with a Bachelors degree in Kinesiology. There, she worked with young gymnasts ages 2-5 in motor development, and nationally competitive gymnasts ages 12-18.