Certified NSCA Staff

About Us

Located at the NSCA Headquarters in Colorado Springs, the NSCA Performance Team is comprised of Registered Strength and Conditioning Coaches (RSCC), Certified Strength and Conditioning Specialists (CSCS), NSCA-Certified Personal Trainers (NSCA-CPT), and Tactical Strength and Conditioning Facilitators (TSAC-F) dedicated to helping you achieve your goals.

Performance Center Coaching Staff

Scott Caulfield, CSCS,*D, RSCC*D, Coaching Education Manager/Head Strength Coach

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. Caulfield works diligently to promote the NSCA and its coaches, including work with the Professional Baseball Coaches Strength and Conditioning Coaches Society (PBSCCS), the National Basketball Strength & Conditioning Association (NBSCA), as well as national governing bodies such as the U.S. Anti-Doping Association, United States Olympic Committee, U.S. Ski and Snowboard Association, and U.S.A. Hockey. He has been an NSCA state director (Vermont), Strategic Planning Committee member, and a certified member of the NSCA since 2003. Prior to joining the NSCA HQ staff he served as an assistant strength and conditioning coach at Dartmouth College for football, men’s and women’s swimming, and rugby. Most recently, he spent 4 years as the Head Strength and Conditioning Coach for Colorado College Hockey in addition to his duties at NSCA Headquarters. He earned an undergraduate degree in Physical Education from Castleton University (Vermont), and a Master of Arts degree in Sport Coaching from the University of Denver.

Aubrey Watts, CSCS,*D, USAW, FMS, Performance Center Coordinator

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. 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 Bachelor’s degree in Kinesiology.

Nick Clayton, MBA, MS, CSCS,*D, NSCA-CPT, RSCC, USAW, Personal Training Program Manager

Nick Clayton 100x00

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, and his MS in Exercise Science and MBA from the University of Florida.

Tyler Christiansen, CSCS,*D, RSCC*D, Tactical Strength and Conditioning (TSAC) Program Manager

Tyler Christiansen

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 D.C. 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

Robyn Mason, MS, CSCS,*D, NSCA-CPT,*D, TSAC-F,*D, USAW, 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.

Matt Thompson, CSCS, TSAC-F, Business Development Coordinator

Matt Thompson 100x100

Matt Thompson assists with the development of educational and membership content for the Personal Training and Tactical Strength and Conditioning (TSAC) programs, and assists in coaching many of the tactical athletes who train at the NSCA Performance Center. Matt has coached NCAA Division I athletes, elite tactical operators, high school and youth athletes, and has worked as a personal trainer for a number of clients with diverse needs and backgrounds. Matt earned his undergraduate degree in Health and Exercise Science from Colorado State University where he interned with both the strength and conditioning department and the Human Performance and Clinical Research Lab.

Tony Auriemmo, CSCS,*D, NSCA-CPT,*D, Continuing Education Coordinator


Tony Auriemmo has served as Continuing Education Coordinator for the NSCA since 2014. Before coming to the NSCA, Tony was employed by the American Council on Exercise for seven years in the role of Education and Certification Consultant. Tony earned his MS in Exercise Science from Northern Michigan University, while serving as a strength & conditioning coach with the United States Olympic Education Center.

Keith Cinea, MA, CSCS,*D, NSCA-CPT,*D, Publications and Education Director

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.

Kathryn Russell, MS, NBCT, ATC, CSCS,*D, NSCA-CPT, TSAC-F, ACSM-CPT, Education Manager

Kathryn Russell 100x100

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.

Matthew Sandstead, NSCA-CPT,*D, Publications Manager

Matthew Sandstead

Matthew Sandstead has worked for the National Strength and Conditioning Association (NSCA) since 2009. Prior to the NSCA, he was the Assistant Sports Information Director at the University of Colorado at Colorado Springs (UCCS). Sandstead graduated from UCCS with a Bachelor’s degree in Communication in 2008. As the Publications Manager, he also serves as the Managing Editor for the NSCA Coach, Personal Training Quarterly (PTQ), and TSAC Report.

Carwyn Sharp, PhD, CSCS, RSCC*D, Chief Science Officer

Carwyn Sharp, PhD, CSCS

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.

Torrey Smith, MA, CSCS,*D; CSPS,*D; NSCA-CPT,*D; TSAC-F,*D, Certification Director

Torrey Smith

Torrey Smith has served the NSCA in various certification positions, including Continuing Education Coordinator, Exam Development Manager and Certification Director. As the Certification Director, Torrey is responsible for the development and maintenance of the NSCA certification programs, exam registration, recertification, and maintaining the Association’s accreditation status. Prior to working at the NSCA, Torrey served as a Program Manager for the Lincoln Medical Education Foundation and as a Health Fitness Instructor for BryanLGH Medical Center in Lincoln, NE. Torrey earned his BS in Exercise Science from the University of Nebraska-Lincoln and his MA in Exercise Science from the University of Nebraska-Omaha.

Liana Tobin, MS, CSCS,*D, TSAC-F, Assistant Recertification Coordinator

Liana Tobin

Liana Tobin is receiving her Master’s degree in Strength and Conditioning from University of Colorado Colorado Springs and Bachelor’s degree in Kinesiology from Occidental College in Los Angeles, CA. Prior to the NSCA, Liana was an instructor and teaching assistant at University of Colorado Colorado Springs.

Shelby Williamson CSCS, CSPS, TSAC-F, FMS, Exam Development Manager


Shelby Williamson earned her Bachelor’s degree in Exercise Science from the University of Kansas in 2013. While at KU, she played for the Women’s Soccer Team all 4 years (2009-2012). She interned in the KU weight room with the strength and conditioning staff and helped with several sports including men’s basketball, women’s volleyball, swimming and diving, and women’s golf and track and field. She interned in a physical therapy outpatient department at LMH in Lawrence, KS and has also coached soccer at various camps since being away from the collegiate game. Shelby was an intern in the NSCA Performance Center in the Spring 2014. In the Fall of 2014 she began competing for USA Bobsled and Skeleton as a bobsled brakeman.