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. 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 served as an assistant strength and conditioning coach at Dartmouth College. From 2007-2009 he was the Head Strength & Conditioning Coach and Director of Camps for the back-to-back American Basketball Association Champions, Vermont Frost Heaves. In 2007, the Frost Heaves were named by Pro Basketball News the Best Team in minor league basketball (including NBA D-League, CBA, IBL, and USBL). Most recently, he spent 4 years as Head Strength and Conditioning Coach for Colorado College Hockey in addition to his duties at NSCA Headquarters.

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).

Doug Berninger, MEd, CSCS,*D, RSCC, Coaching Performance Coordinator/Assistant Strength and Conditioning Coach

Doug Berninger

Doug Berninger received his Master’s degree in kinesiology from Bowling Green State University and has completed internships at Athletes’ Performance (Gulf Breeze), NSCA Headquarters, Olympic Training Center (Colorado Springs), and the University of Michigan. He is a competitive weightlifter with bests of 101kg in the snatch and 124kg in the clean and jerk in the 77kg class and hopes to better these numbers. In the gym, he has personal bests of a 380lb back squat, 310lb front squat, and 500lb deadlift; all at about 170lb bodyweight. He holds CSCS, *D, RSCC, and USA Weightlifting – Advanced Sport Performance distinctions.

Aubrey Watts, CSCS,*D, USAW, FMS, Performance Center Administrator/Assistant Strength Coach

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 Bachelor’s degree in Kinesiology. There, she worked with young gymnasts ages 2-5 in motor development, and nationally competitive gymnasts ages 12-18.

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

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, 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 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

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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.

Certified NSCA Staff

Juan Aponte, MS, CSCS,*D, CSPS, NSCA-CPT, TSAC-F, Exam Development Specialist

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.

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

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

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 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.

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

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.

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

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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

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.