ACS 2026 Biennial Convention - The Hotel Captain Cook

Michael Krasnov

DC

Dr. Michael Krasnov has been a chiropractor for 36 years, emphasizing sports injuries and performance enhancement. He served as the team chiropractor for the 1996 U.S. Olympic track and field team and has worked major track and field events. Dr. Krasnov is also a member of the sports medicine provider network for U.S.A. Swimming and holds a black belt in Tae Kwon Do, reflecting his commitment to a physically active lifestyle.

Tim Bertelsman

DC, CCSP, DACO, FACO

Dr. Tim Bertelsman, DC, CCSP, DACO, FACO, is the co-founder of ChiroUp and a Board-Certified Chiropractic Orthopedist and Sports Physician with more than 30 years in practice. An honors Logan College graduate, he is a prolific author, national post-graduate instructor, and sought-after speaker who has presented for over 50 professional associations. Former president of the Illinois Chiropractic Society and 2019 Chiropractor of the Year, Dr. Bertelsman specializes in translating the latest orthopedic and sports-injury research into immediately applicable clinical strategies.

Brandy Brimhall

CPC, CPCO, CCCPC, CMCO, CPMA

Brandy has served chiropractic and multi-discipline practices since 1999. She has received professional certification from the AAPC as a Certified Professional Coder, a Certified Professional Compliance Officer and a Certified Professional Medical Auditor; from the Practice Management Institute (PMI) as a Certified Medical Compliance Officer; and from the ChiroCode Institute as a ChiroCode Certified Chiropractic Professional Coder. She has routinely been featured in a number of publications as

Jerry Hochman

Dr. Jerry Hochman is a seasoned chiropractor with decades of experience helping patients restore and maintain optimal health through chiropractic care. He is known for his thorough approach and dedication to patient education.

Donald C. DeFabio

DC, DACRB, DABCSP, DABCO

Dr. Donald C. DeFabio received his Doctor of Chiropractic degree from Northeastern College of Health Sciences in 1984 and currently serves as Director of Chiropractic Services at DeFabio Spine and Sports Rehab. He is triple board certified in Chiropractic Orthopedics, Physical Rehabilitation and Sports injuries as well as maintaining additional certifications as a corrective and performance enhancement specialist (NASM), Stecco Fascial Manipulation, ART, Graston, SMFA, FATKR and MUA. He was named the ACA Rehab Council's Doctor of the Year in 2023 and the Association of New Jersey Chiropractors Doctor of the year in 2013. In 2023 he received first place, Full Time Clinician Award, from Parker University's iPoster contest. From 1991-1999 he participated in the Ironman Triathlon World Championships in Kona as a member of the race week and race day treatment team. He was the chiropractic doctor for Drew University athletics as well as Rutgers's Track and Field until discontinuing for health reasons in 2016. From 2001 to 2017 he served as a member of the classification panel for the International Wheelchair and Amputee Sports Federation for Wheelchair Fencing as well as being the medical coordinator for the USA Paralympic fencing team from 1999 - 2015. He is recognized as a Chiropractic influencer and lectures nationally on physical rehabilitation, active care, the thoughtful use of modalities, orthopedics, sports injury assessment and management, chiropractic technique and clinical examination techniques from a functional perspective. His Relevant Rehab courses are known to be engaging, well referenced, high energy and designed to give the clinician the tools needed to immediately implement into their practice. He is a columnist for Dynamic Chiropractic, has been published in peer reviewed scientific journals and publishes The DeFabio Difference rehab and health tips via his website and YouTube channel which has over 42K subscribers and hours of applicable content.

Stephan Ediss

DC

Dr. Ediss received his Bachelor of Science degree in Human Biology and his doctorate in Chiropractic from Los Angeles College of Chiropractic. He is a chiropractor, educator, and longtime consultant for Nutri-West.

Evan Gwilliam

DC, MBA, QCC, CPC, CCPC, CPMA, CPCO, AAPC Fellow

Dr. Evan Gwilliam, Senior Vice President of Practisync, is a leading authority in healthcare compliance, coding, and documentation. After graduating as valedictorian from Palmer College of Chiropractic, he earned dual certifications as a Professional Coder, Medical Auditor, and Compliance Officer. His unique expertise blends deep clinical experience with a strong accounting background and a Master of Business Administration. Dr. Gwilliam is a frequent speaker at industry events, provides expert witness testimony, conducts medical record audits, and consults with healthcare providers nationwide. His extensive contributions to publications and reference materials have solidified his reputation as a definitive thought leader in chiropractic compliance.

Beverly Harger

DC, DACBR

Dr. Beverly Harger creates an interactive learning environment that stimulates interest in the role of imaging in patient care. Her programs motivate clinicians to remain up to date on current concepts in clinical imaging. Her imaging presentations are interesting and helpful in providing doctors with practical radiographic and clinical information for their daily practice. Dr. Harger is a chiropractic radiologist with more than 28 years of clinical experience. She graduated Magna Cum Laude from University of Western States (UWS) in 1987. In 1992, she completed her radiology residency at UWS and attained her diplomate status from the American Chiropractic Board of Radiology. She is a professor and director of the MS in diagnostic imaging, as well as the clinical radiologist for UWS. Her presentations address the importance of knowing imaging algorithms and understanding when imaging has a role in establishing diagnosis. Utilizing radiology case studies, clinicians will learn to differentiate many common conditions and not-so-common conditions, along with patient history and physical examination. Dr. Harger holds memberships in the ACA Council on Diagnostic Imaging and the American Chiropractic College of Radiology. She was named the UWS Outstanding Faculty in 2013.

John Haig

DC

Dr. John Haig, DC, specializes in chiropractic adjusting and helping patients restore proper spinal function and musculoskeletal health.

Lori W. Allen

DC

For over 3 ½ decades, Lori W. Allen’s Profitable Practice Strategies has adeptly enhanced the financial and operational outcomes for more than 300 clients.

Liliana Warner

DC

Expert in Tensegrity

Cindy Howard

DC, DABCI, DACBN, FIAMA, FICC

Dr. Cindy M. Howard is a board-certified Chiropractic Internist and Nutritionist licensed in Illinois and Florida. She holds a fellowship from the American Academy of Medical Acupuncture and the International College of Chiropractors. She currently maintains her private practice in Orland Park just south of Chicago for over 24 years while also running a consulting business focusing on clinical functional medicine and business communication to improve patient adherence and outcomes. She is the current ACA Illinois Delegate, the Vice President of the ACA College of Pharmacology and Toxicology and is a Past President of the ACA Council on Diagnosis and Internal Disorders. She currently teaches for the DABCI diplomate and is a professional International Speaker. She serves on the Medical advisory board for Fullscript Functional Medicine University and Inguardia Health. She was the recipient of the Flynn Lynch award for outstanding service and was the Illinois Chiropractic Society Chiropractor of the year in 2020.

Will Evans Jr.

Will Evans Jr. is a chiropractic professional dedicated to family wellness and natural health approaches. He supports patients in achieving better nervous system function and overall well-being.

Kristin Hieshetter

DC

Dr. Kristin Hieshetter, a 2005 graduate of Palmer College of Chiropractic, holds certifications in S.O.T. cranial and nutrition, and is pursuing board certification in chiropractic neurology. From 2009-2019, she was part of Helen Newberry Joy Hospital Specialty Clinic and operated two chiropractic offices, emphasizing nutrition, supplementation, and low-level laser therapy for neuroregeneration. She has been a post-doctorate clinical educator since 2018 and hosts the podcast Functional Health Radio.

Jonathan Chung

DC, DACNB, FABBIR

Dr. Jonathan Chung is a Board Certified Chiropractic Neurologist and an upper cervical chiropractor based in Wellington, Florida. He is the owner and clinical director of Keystone Chiropractic and Neuroplasticity, a practice dedicated to the correction and rehabilitation of disorders of the brain and spine. Dr. Chung earned his undergraduate degree in Microbiology/Molecular Biology from the University of Central Florida and his Doctorate of Chiropractic from Life University. He furthered his expertise through post-graduate training in clinical neuroscience at the Carrick Institute, where he also completed a Fellowship in the American Board of Brain Injury and Rehabilitation. Dr. Chung's clinical focus encompasses a wide range of complex neurological conditions, including traumatic brain injury, vestibular disorders, dysautonomia (such as POTS), and craniocervical junction injuries. He is proficient in the NUCCA protocol for upper cervical correction and integrates a functional neurology paradigm to address issues like chronic pain, migraines, trigeminal neuralgia, Meniere's disease, vertigo, dizziness, post-stroke rehabilitation, Parkinson's, and various functional neurological disorders. He is also recognized as an Assistant Professor of Functional Neurology at the Carrick Institute for Graduate Studies. Beyond his clinical practice, Dr. Chung is a sought-after speaker on topics such as concussion, vestibular disorders, and dysautonomia. He has contributed to peer-reviewed articles and The Brain Health Magazine, and hosts the "Heal Yourself Radio Podcast." Additionally, Dr. Chung is a National Academy of Science Certified Personal Trainer and Corrective Exercise Specialist, with a specialized interest in rehabilitation and esports. He has worked with both casual and professional esports players, previously serving as a Performance Manager for teams like Toronto Ultra and Toronto Defiant, and a Performance Coach for Fnatic League of Legends.

Jared Jensen

DC, CCEP

A chiropractor focusing on advanced principles of soft tissue.

John Lockenour

DC, DABCO, DABCA

For the last 30 years, Dr. Lockenour has taught postgraduate courses in orthopedics, whiplash injuries, physical therapy, nutrition and acupuncture. He built one of the largest and most successful chiropractic practices in the state of Indiana. His informative and motivational style of speaking makes him a very popular speaker and sought-after practitioner. Dr. John Lockenour is a 1977 graduate of Palmer College of Chiropractic. After completing his graduate degree, he completed two diplomats through the American Board of Chiropractic Orthopedist and the American Board of Chiropractic Acupuncture. Additional certification in chiropractic rehabilitation, manipulation under anesthesia, and applied diagnostic testing give him a vast background that he brings to teaching and practice. Dr. Lockenour built one of the largest and most successful chiropractic practices in the State of Indiana. As vice president of the Indiana State chiropractic Association, he was the only doctor to receive chiropractor of the year on two occasions, once in 1991 and again in 2000. For the last 40 years, Dr. Lockenour has taught postgraduate courses in orthopedics, whiplash injuries, physical therapy, nutrition, and Acupuncture. A previous Assistant Professor at Palmer College of Chiropractic Florida and now maintains a practice in Port Orange Florida.

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.

Travis Oller

DC

Dr. Travis Oller is a Doctor of Chiropractic dedicated to family wellness and natural healthcare. He focuses on helping patients achieve lasting results through precise chiropractic care and patient education.

Joseph Unger

DC

Dr. Joseph Unger began premedical studies in zoology, later adding a second major in psychology to better understand people. Through this educational process philosophical concerns with the medical model arose and he chose a career in chiropractic. Upon graduation in January 1979, Dr. Unger began teaching SOT® for "The Major" and the Sacro Occipital Research Society International, Inc. (SORSI). Concurrently he also taught at the Missouri College of Naturopathic Medicine. Dr. Unger went on to present seminars throughout the United States, Japan, Europe, Australia and Brazil. He has been involved with the SORSI Board of Directors since 1979 and has been on numerous committees, and is currently past president of that organization, chairing its research committee. In January 1984 Dr. Unger began teaching SOT at Logan University and is still teaching today. Having studied and utilized chiropractic craniopathy for over 45 years, he recognizes the tremendous value of this underappreciated art and science. To promote this unique therapy, he determined the need for public awareness and committed to producing a book on the subject. The project led to a variety of investigations and research studies spanning almost 15 years, finally producing a manuscript. Brain Matters, The Missing Link - Releasing the Hidden Healing Power of Your Brain went to publication in late 2019.

Brandon Steele

DC

Dr. Brandon Steele is an experienced chiropractor with a strong focus on clinical excellence and patient-centered care. He is dedicated to helping patients achieve lasting results through precise chiropractic adjustments and comprehensive wellness strategies.

Aaron Welk

DC, DACBR

Dr. Aaron Welk is a 2009 graduate of Logan College of Chiropractic. He went on to complete an additional 4.5 years of Residency and Fellowship training in the Logan University Department of Radiology, earning board certification in Chiropractic Radiology in 2013. Dr. Welk enjoys working with athletes and has had the opportunity to work with patients ranging from youth athletes, to weekend warriors, to All-Star professional athletes. Through the course of his radiology training he has enjoyed th

Eric Roseen

DC

Dr. Roseen grew up in rural North Dakota and earned his Bachelors degree at Minnesota State University Moorhead, studying biology and chemistry. He received his Doctorate of Chiropractic degree from the University of Western States in Portland, Oregon. Dr. Roseen currently practices at a large integrative primary care clinic where he provides evaluation, management and treatment for back pain and other common musculoskeletal conditions.

Ellie Anderson

RD

Ellie Anderson, MHS, RDN, LD, Graduated from the University of Minnesota with her Undergraduate Degree in Nutrition, and Graduated December 2023 summa cum laude with her masters degree in integrative health with a trauma focus… 39 weeks pregnant She has worked in the world of functional health for 7 years now and has built an amazing business @eating_elevated with three locations across Minnesota - growth and scaling is hard and humbling! The journey hasn’t been easy, but she has an amazing team. Her faith is, and always has been at the center of what she does. Even when it comes to healing. she likes to combine the principles of faith, science and education to create digestible info patients can understand and relate to. She fully believes the body can heal in the right conditions. So she seeks to create that at all costs not just for herself but for others. She has opened a restaurant in the heart of her home town @homegrown_stm that doesn’t cook in/use inflammatory oils, uses high quality proteins from agricultural sources that are sustainable and follow primitive principles. She is obsessed with good food and good company.

Chris Danduran

DC, DACNB

Dr. Christopher Danduran is a Board-Certified Chiropractic Neurologist and a Fellow of the American College of Functional Neurology. He is nationally certified through the Board for Certification of Nutrition Specialists and possesses extensive training in Functional Medicine. His clinical experience ranges from treating the elite athlete to the critically ill. Dr. Danduran is also passionate about helping children and parents struggling with various neurodevelopmental disorders through his sp

James Evans

Growth through Connection Advocate

Thomas Ventimiglia

DC

Dr. Ventimiglia's lectures focus on doctor-patient communication and its impact on the patient's clinical outcome. The presentations build upon the practitioner's foundational communication knowledge and skills (e.g., health data collection and information dissemination) to advanced communication techniques that improve their empathic listening, promote collaborative decision making, and encourage the use of guiding communication style. In addition, the lectures discuss the importance of the provider's awareness and sensitivity to the unique determinants of the health of a culturally diverse patient population and the communication skills needed to address them. The overarching objective is to provide the doctor with the skills needed to promote patient empowerment that leads to improved health behavior choices. This lecture includes didactic and workshop methods with the use of external as appropriate. A graduate of New York Chiropractic College (NYCC) and Fellow of the American College of Chiropractors, Dr. Ventimiglia served as dean of NYCC Department of Postgraduate and Continuing Education. In addition, he has served as the chairperson of the Association of Chiropractic Colleges, subcommittee on Postgraduate Education. Dr. Ventimiglia coauthored "The Wellness Consultation: A Communication Model for Improved Patient Outcomes." That was presented at the NYCC Research Symposium in 2018. He was the principle investigator/conference director for the National Institutes of Health's National Center for Complementary and Alternative Medicine R-13 Conference Grant on "Conference on Chiropractic and Allopathic Integration." Although retired from a private practice after 40 years, he remains active in the profession as a member of the NCMIC Speakers Bureau, the American Public Health Association's Chiropractic Health Care section and the Federation of International Chiropractic Sports.