Bryanna Esquivel, DC, CCSP®, ICSC

president@acasc.org

Dr. Esquivel is a Southern California native with a variety of experience working with special populations including: infants, children, athletes, and veterans. As a collegiate athlete, she was exposed to chiropractic care for the first time after enduring an injury on the softball field. She instantly fell in love with her chiropractor’s ability to tailor treatment specifically to her body and the sport she played.

Dr. Esquivel is an alumni of Palmer College of Chiropractic West in San Jose, CA and has since started to grow roots in California’s Central Valley. She has a passion for delivering high quality, evidenced-based, chiropractic care and loves seeing patients take control of their overall health and wellness. Dr. Esquivel is trained in a variety of chiropractic techniques and is confident in her abilities to tailor her treatment to each and every patient.

In her spare time, she loves finding the best places to grab a bite, watching her favorite MLB team on TV (or at the stadium), lifting weights, and soaking up the California sun on a hike or by the pool.

Liz Moos, DACBSP®, ICSC

vicepresident@acasc.org

Dr. Liz Moos earned her Doctor of Chiropractic degree from Northwestern Health Sciences University in 2014, where she was selected as the institution's first Human Performance Fellow. During her fellowship, she completed a Master of Science in Exercise Science at Concordia University, St. Paul.

Dr. Moos brings extensive experience working within multidisciplinary teams, including Federally Qualified Health Centers (FQHCs), employer-based primary care settings, and the Department of Veterans Affairs. She has worked with athletes across a wide spectrum of ages and abilities, from high school athletes to Olympians. Her professional interests include helping individuals embark on their fitness journeys. She has also held faculty positions at Northwestern Health Sciences University and Palmer College of Chiropractic West.

Currently, Dr. Moos serves as a staff chiropractor for the VA Pacific Islands Healthcare System in Honolulu, Hawaii. She holds advanced certifications in sports chiropractic, including the International Certificate in Sports Chiropractic (ICSC) and the Diplomate of the American Chiropractic Board of Sports Physicians (DACBSP).

Dr. Moos has been an active member of the ACA and the ACA Sports Council. Over the past nine years, she has served as the Student Executive Advisor on the ACA Sports Council Board and, for three years, as the organization’s Director of Education (formerly known as 2nd Vice President). 

Kate Matlack, DC, NREMT

education@acasc.org

Dr. Kate Matlack, originally from Cypress, CA, is a dedicated chiropractor with a passion for helping patients overcome challenges when others have given up. She is an associate at LIV Integrative Health in Newport Beach, where she brings her expertise to a diverse patient base.  

Dr. Matlack earned her undergraduate degree from the University of Oregon and her chiropractic degree from Northwestern Health Sciences University. With certifications in TPI, Webster, SFMA, and EMT, she excels in personalized care, particularly in addressing shoulder-related issues—her favorite area of the body to work on.    

Outside the clinic, Dr. Matlack embraces her adventurous and creative sides. Her friends affectionately call her "Kaytee Krocker" because of her love for baking, and she’s a big-time outdoors enthusiast. She’s on a mission to visit every MLB stadium, with just six left to check off her list, and she has a thriving collection of houseplants to balance her love for nature indoors.  

Dr. Matlack is committed to professionalism, compassion, and helping her patients achieve their health goals.

Rachael Fix, DC, NREMT

info@acasc.org

After graduating from the University of North Dakota, Dr. Rachael Fix attended Northwestern Health Sciences University where she earned her chiropractic degree with a sports emphasis. While at NWHSU, she served a term as her school’s SACA Sports Council President and a term as the national SACA Sports Council Director of Communication.

Dr. Fix moved back to North Dakota following her graduation and enjoys treating patients from all walks of life in rural North Dakota. She believes that everyone is an athlete, whether they know it or not, and enjoys bestowing this mentality onto her patients and community.

Jalen Banks, DC, CCSP®

policyandprocedure@acasc.org

Dr. Jalen Banks received his Doctorate in Chiropractic Medicine in 2020 from Keiser University. Before moving to South Florida in 2017, he graduated from Montclair State University with his Bachelors in Exercise Science.

In 2018, Dr. Banks received the American Chiropractic Association Sports Council Student of the year award for his dedication and unending contribution to the advancement of the sports chiropractic profession through his involvement on a local and national level.

He obtained his CCSP in 2022 and continues to have a passion serving athletes at every level. Dr. Banks was tasked with creating a Chiropractic Medicine department for Watson Clinic, central Florida’s largest outpatient clinic. He has been featured in multiple news articles for successfully doing so.

Jordan Knowlton-Key, DC, MS, NREMT, CSCS, ASP, DACBSP®, ICSC

finance@acasc.org

Doctor Jordan Knowlton-Key currently serves as the chiropractic sports physician at the Lake Placid United States Olympic and Paralympic Training Center. He completed his chiropractic doctorate at Northwestern Health Sciences University (NWHSU) and obtained his Masters of Exercise Science from Concordia St. Paul University. After graduation, Dr. Jordan completed a two-year sports chiropractic residency at NWHSU’s Human Performance Center (HPC), a clinic of NWHSU that focuses on integrative health care for athletes.

Following his residency, he served in a faculty position as the Integrative Sports Care Coordinator of the HPC. He developed a specialty in managing concussions and associated head injuries, leading him to present for numerous organizations on a national and international level on these topics. His passion for outdoor adventure sports led him to become an Alpine Ski Patroller in addition to being an emergency medical technician.

Sydney Ernst, DC

studentadvisor@acasc.org

After wrapping up her Athletic Training studies at Winona State University, Dr. Sydney Ernst attended Palmer - Main in Iowa. While at Palmer, she served as the President of Sports Chiropractic Club for seven consecutive trimesters as well as a presidential term on the National SACA Sports Council ExCo.

She completed student clerkship rotations at the Black Hills and Central Iowa VA Health Care Systems and fell in love with serving the Veteran population. Due to her drive and passion, she was elected as a Chiropractic Resident for the St. Louis VA Health Care System. Following residency, she was selected to be a chiropractor for the VA back in the Black Hills of South Dakota where she currently resides.

Sydney is passionate about bringing quality, evidence-informed musculoskeletal care to interdisciplinary environments and enjoys mentoring the future of the profession to uphold the same care values.

Jose Balseca, DC, DACBSP®, ICSC

facultyadvisor@acasc.org

Dr. Balseca is an Assistant Professor in the Integrated Chiropractic Therapies Department at Northeast College of Health Sciences. He is also treating patients in private practice as owner of Attune Sports Chiropractic in Pittsford, NY.

Dr. Balseca holds his Diplomate of the American Chiropractic Board of Sports Physicians and International Sports Chiropractic Certifications. Along with treating local athletes, Dr. Balseca has worked at the elite level with events including Nitro Circus, The World Games, World Championships, and Team USA.

Chris Hargrave, DC

Dr. Chris Hargrave brings a wealth of diverse experience to his role as a presidential advisor to the American Chiropractic Association Sports Council (ACASC). Growing up in central Missouri, Dr. Hargrave’s work ethic was shaped early on, working various jobs from delivering newspapers to computer networking. His career began with a dedicated path of service, enlisting in the Air Force and becoming an Aircraft Hydraulic Specialist. After serving through pivotal times, including deployments during Operation Iraqi Freedom, he continued his service as a deputy sheriff and later as an Air National Guard firefighter.

Driven to make a greater impact, Dr. Hargrave pursued his Doctor of Chiropractic degree, where he also met his wife and now professional partner, Erica. Together, they founded Complete Rehab in Queen Creek, Arizona, with a mission to help patients live life to their fullest potential through a balanced approach to health and wellness. Their brand, "Life Aligned," embodies Dr. Hargrave's belief that alignment in all aspects—work, relationships, and personal health—is key to a fulfilling life.

Throughout his career, Dr. Hargrave has remained committed to the chiropractic profession, holding various leadership roles in the ACA Sports Council, including past service as treasurer, vice president, and president. His dedication to both his patients and the advancement of the profession makes him a valuable advisor, continually working to elevate standards of care and inspire his community.

Ira Shapiro, DC

Dr. Ira Shapiro served as a medical staff member in 2004 and 2006 for the U.S Olympic Teams. Additionally, he served as an attending sports chiropractor at the 2002 and 1996 Olympic Games, Pan-Am Games, World Games, Olympic Training Center, Gatorade Ironman Triathlon World Championships, U.S. National Collegiate Taekwondo Championships, U.S. Figure Skating Championships U.S Track and Field Championships. Dr. Shapiro has served on the BOD of both The American Chiropractic Board of Physicians (ACBSP) and The United States Sports Chiropractic Federation (USFCF).

He is an ACA Sports Chiropractor of the Year and the 11th inductee into the ACA Sports Council Hall of Fame.