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 was the co-recipient of the ACA Sports Council Student of the Year award in 2022.

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.

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.    

During here time as a student, Dr. Matlack served as NWHSU’s SACA Sports Council Director of Communication and the national Director of Communication. She was the recipient of the 2021 ACA Sports Council Student of the Year award.

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. She was the co-recipient of the ACA Sports Council Student of the Year in 2022.

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.

Dr. Callan Martin

policyandprocedure@acasc.org

Dr. Maggie Tobin

finance@acasc.org

Megan Royall, DC

studentadvisor@acasc.org

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.