Parker Seminars Dallas 2026

Ashlee Kates-Ascioti

DC, DACBR

Dr. Kates-Ascioti earned her Doctor of Chiropractic degree from Northeast College of Health Sciences in 2016. She continued her studies in the Master of Science in Diagnostic Imaging residency program, graduating in 2019, and became a Diplomate of the American Chiropractic Board of Radiology (DACBR). Currently living in the DFW metroplex, Dr. Kates-Ascioti is an associate professor at Parker University where she enjoys teaching in the DC curriculum and assisting in radiology resident training.

Jenny Mejia Spicer

Elise Hewitt

DC, DICCP, FICC

A board-certified pediatric Doctor of Chiropractic and one of the foremost authorities in the specialty of chiropractic pediatrics, Dr. Elise Hewitt has focused her 36-year career on improving children’s health with chiropractic care. An alumnus of the University of Colorado and a Summa Cum Laude graduate of Western States Chiropractic College (now UWS), Dr. Hewitt served for 10 years as President of the Pediatrics Council of the American Chiropractic Association (ACA). Dr. Hewitt currently serves as the Founding Program Director for Logan University’s Master of Science in Chiropractic Pediatrics program. In addition, she treats children in her pediatrics-only practice, is a member of the prestigious NCMIC Speakers Bureau, and has taught at the post-graduate level for numerous chiropractic institutions and associations worldwide. Dr. Hewitt serves on the Editorial Board for the Journal of Chiropractic Medicine (JCM) and is a peer reviewer for several science journals. Her own recent peer-reviewed publications include consensus studies on pediatric best practices (JMPT 2009, 2016) and core competencies of the pediatric specialist (JEBCAM 2016), as well as an evaluation of forces used in pediatric spinal manipulation (JMPT 2017). Dr. Hewitt has authored chapters in the textbooks Pediatric Chiropractic (Anrig and Plaugher, 3rd edition) and Integrative Pediatrics (Culbert and Olness, 1st edition). Dr. Hewitt was honored to be named 2023 Academician of the Year by the ACA and 2019 Pediatric Chiropractic of the Year by the ACA Pediatrics Council. In 2017, she received the Rising Star Award from the American Public Health Association’s Chiropractic Health Care Section, and was named Oregon’s 2016 Chiropractor of the Year. In 2008, Dr. Hewitt was elected as a Fellow into the International College of Chiropractors (FICC). A founding member of both the ACA and the ICA Pediatrics Councils, Dr. Hewitt believes no single practitioner of any healthcare field holds the key to a child’s health and we best serve our patients by working together to optimize the health and wellbeing of all children.

Cody Dimak

DC

Dr. Cody Dimak is an associate professor at Parker University and is the lead faculty for the active rehabilitation course in the DC program. Prior to relocating to Dallas, he and his wife owned and operated an active-care-focused practice in Orange County, CA for 7 years. Dr. Dimak has spent his professional career advocating for both his patients and the patients of the doctors he teaches to progress through rehabilitation and into a strength and conditioning environment. When Dr. D isn’t giving external cues for the best motor skill learning, he can be found on the golf course or playing with his two daughters.

Lindsay Mumma

DC, DNSP

Lindsay Mumma, DC, DNSP, is the owner of Triangle Chiropractic and Rehabilitation Center in Raleigh, NC, a multidisciplinary practice she opened in 2012 after graduating from Palmer College of Chiropractic with the Clinical Excellence Award. She teaches for the Motion Palpation Institute and moveMentors. Her private practice focuses on rehabilitative chiropractic care across the lifespan and with a specific focus on prenatal and postpartum health. She is a wife, mother to two boys, speaker, life enthusiast, and author of The Trimester Series, the best-selling book Your Pelvic Floor Sucks, and the Top 50 in Health Substack publication Dr. Lindsay Mumma’s Newsletter.

Lisa Goodman

DC

Dr. Lisa Goodman is the founder of The Practice Fox, an online educational platform for early-career chiropractors. She is the author of The Manual for the Chiropractic Entrepreneur and an international speaker on practice development, prenatal care, and pediatric sports chiropractic. Dr. Goodman was named the 2025 Women in Leadership Chiropractor of the Year and has been a member of the USGA Performance & Recovery Team since 2019. She also teaches in the ACA Pediatrics Council Diplomate Program. She earned her undergraduate degree in Communications from the University of Miami and graduated Valedictorian from Palmer College of Chiropractic West. In 2006, she founded Washington Park Chiropractic, a multidisciplinary practice in Denver. Dr. Goodman holds certifications as a Certified Chiropractic Sports Physician, Certified Pediatric Chiropractor, CrossFit L1 coach and TPI Golf Practitioner.

Rebecca L. Scott

DC

A seasoned professional with 35 years of experience, focusing on improving cash flow in chiropractic practices through a hands-on approach.

Andrea Diaz

Mark Charrette

DC

Dr. Mark N. Charrette is a 1980 summa cum laude graduate of Palmer College of Chiropractic in Davenport, Iowa. He is a frequent guest speaker at numerous chiropractic colleges and has taught over 1,900 seminars worldwide on extremity adjusting, biomechanics, and spinal adjusting techniques where his educational seminars emphasize a practical, hands-on approach. He has authored a book/video series on extremity adjusting. Dr. Charrette has practiced successfully in California, Nevada, and Iowa. Dr. Charrette is a former All-American swimmer and now calls Irving Texas home where he currently resides and practices.

Sara Griffin

DC

Dr. Griffin completed her DC at New York Chiropractic College after a final Walter Reed National Medical Center internship. Since graduating, she has taken over an existing chiropractic office to turn it into a full wellness center. As of 2023, her practice expanded into a 4500-square-foot facility, including chiropractic care, multiple modalities, massage therapy, reiki, and a gym space for personal training. Dr. Griffin holds an advanced certification in the Activator Method.

Celia Maguire

DC, DACBR

Dr. Celia Maguire is a board-certified chiropractic radiologist with more than 20 years of experience in chiropractic education and clinical imaging. A graduate of Parker College of Chiropractic, she completed her residency in Diagnostic Imaging at Parker, where she continues to serve as Dean of Academics for the College of Chiropractic. Her continuing education presentations focus on real-world cases drawn from her extensive clinical experience, helping doctors sharpen their interpretive skills and apply imaging findings directly to patient care.

Heidi Haavik

DC

Kyl Smith

DC

Dr. Kyl is the inventor...

John Cho

DC

Dr. Cho obtained a Bachelor of Kinesiology from McMaster University, Ontario, Canada in 2002 then began a new chapter in his life studying for the Doctor of Chiropractic program at Logan University, where he graduated in 2006. He has specialized in Diagnostic Imaging, where he completed the 3-year residency and 1.5-year Fellowship training (with specific emphasis on Musculoskeletal ultrasound) from Logan University. Further, he has completed a Visiting Fellowship training in MSK US at the renowned Sidney Kimmel Medical College at Thomas Jefferson University. He possesses the ‘RMSK Pioneer Certificate’ which was granted to those who obtained the Registered in Musculoskeletal Sonography (RMSK) certificate during the very first administration in 2012. Dr. Cho’s research interest has been in Musculoskeletal ultrasound and diagnostic imaging, where he has published numerous original research and case reports on normative data on the greater occipital nerve with cadaveric correlation, Ultrasound-guided palpation studies, and various MSK conditions. He currently serves as a course director for Clinical Imaging III and MSK ultrasound courses at Parker University.

Cindy Parks

Cindy Parks has been a Chiropractic Assistant since 1987. She has been active in all positions within the team including managing the office as both a chiropractic spouse and parent of a chiropractor. This perspective, coupled with her educational background provided her with the unique ability to communicate well with patients, the community, and the Chiropractic team. Cindy brings a "No Fear" attitude to talking about chiropractic to anyone, anywhere!

Nicole Zipay

DC

Dr. Nicole Zipay is a chiropractic radiologist and musculoskeletal sonographer with clinical, teaching and research experience. She graduated from Palmer College of Chiropractic with research honors in 2019 before completing the diagnostic imaging residency at Parker University. Now an associate professor in the clinical sciences department at Parker University, she teaches radiology courses and provides musculoskeletal ultrasound services. She also provides radiology consultation to chiropractors through Zipay Radiology, LLC.

Gabrielle Lyon

MD

I’m a board-certified physician, New York Times bestselling author, and the founder of the Forever Strong movement. With a background in nutritional sciences and geriatrics from Washington University, I’ve spent years studying how protein and muscle impact aging, performance, and disease prevention. When it comes to longevity, muscle is the key. And now, I’m on a mission to make that knowledge accessible for you. Through my clinical work, books, top-ranked podcast, talks, and work with Special O

Alex Vidan

DC

Dr. Alex Vidan is a nationally known speaker and wellness advocate. Dr. Vidan served as the team chiropractor for the St. Louis Cardinals organization starting in 2010 and during the 2011 World Championship season, and he was the team chiropractor for the St. Louis Rams Cheerleaders. He has been on over 300 live news segments over the past 15 years, and he has a passion for helping other forward-thinking Chiropractors with a vision to reach their community. He has represented the International Chiropractic Association on two tours in China, speaking about chiropractic and featured on Chinese news. Whether on television, speaking at a convention, or in the office with patients, his love of teaching others is apparent. Dr. Vidan has hosted his own TMJD Seminar for over 300 chiropractors around the world where he teaches them how to care for patients with jaw dysfunction. He and his wife, Dr. Sara Vidan, along with their long-time team, run a busy and successful practice in St. Louis, Missouri. Dr. Vidan has served as an associate faculty member, teaching future chiropractors at Logan University, and continues to be a guest speaker there. He received his Doctorate degree in 2004 from Logan University.

Kevin O'Leary

Keynote

Kevin O'Leary, known worldwide as “Mr. Wonderful,” is a serial entrepreneur, investor, and star of ABC’s Shark Tank. With a no-nonsense approach to business, scaling, and investing, he delivers high-energy keynotes that teach practical strategies for building profitable, sustainable practices.

Donald DeFabio

DC, DACRB, DABCO, DACBSP

Dr. De Fabio is a rehabilitative expert with extensive board certifications and a focus on integrating evidence-based approaches into chiropractic practice.

Jay Fergeson

Jeff Cavaliere

MSPT, CSCS

Jeff Cavaliere MSPT, CSCS served as both the Head Physical Therapist and Assistant Strength Coach for the New York Mets during the National League East Championship 2006, 2007 and 2008 seasons. He coached some of the game’s most accomplished players, including future hall of fame pitchers Tom Glavine and Pedro Martinez, and perennial all-stars Carlos Delgado, Carlos Beltran, David Wright, Jose Reyes, and Billy Wagner. He received his Masters Degree in Physical Therapy and Bachelor of Science in