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Yoga Group

Our Team


Team: Team
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Dr. Courtney Lehmen


Dr. Lehmen started her education at the University of Wisconsin Whitewater.  She earned her bachelor’s degree in Human Biology and her Doctorate of Chiropractic from Logan College of Chiropractic in Chesterfield, Missouri. While at Logan she served as class president, tutor, and Clinicians Assistant.  She also taught at Logan for 3 years in the Chiropractic Assistant Program. 

Dr. Lehmen took her family values and brought that to her practice in O’Fallon. Dr. Lehmen uses a whole body approach and is certified in various techniques.  Dr. Lehmen is an active member in the community.

She is happily married to Tom and has 3 beautiful children, Kelsey, Emmett & Randi.  In her free time she loves boating, camping, spending time with friends & family and watching her kids play sports!

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Dr. Marcy Cooper


Dr. Marcy Cooper-Bennett knew she wanted to become a chiropractor after her first adjustment when she was 15 years old. She had suffered from daily headaches and allergies when her mom decided not to treat her with prescription drugs suggested by the MD. After just a few weeks of chiropractic care, she was back to feeling herself and knew that she wanted to help as many people as she could using natural chiropractic care. And she has done just that for over 22 years in O’Fallon, Missouri.
After graduating from Ritenour High School she attended UMSL for her prerequisites before entering Logan College of Chiropractic. She graduated with a Bachelor of Science in Human Biology in December 1997 and a Doctorate of Chiropractic in December 1999. While at Logan she was class treasurer, a physical therapy assistant, and a Clinician's Assistant. She became certified to practice Acupuncture as well as many different chiropractic techniques.


Dr. Erica Leiser


Dr. Leiser has a passion for helping patients live their life to the fullest. She became a chiropractor after falling in love with the ability to help patients heal naturally. Dr. Leiser strives to educate patients in a way that allows them to receive the max benefits from their chiropractic care. She believes through proper spine care, exercise, and proper nutrition, every patient can reach a state of wellness and the ability to live their best lives.  

Dr. Leiser loves working with patients of all ages, from infants to geriatric, she believes everyone deserves the best care. Her caring nature allows her patients to connect and feel very open with her. 

Dr. Leiser earned her Bachelor of Biology with emphasis on pre-med at UMSL before attending Logan University to earn her degree in Chiropractic. Since graduation she has enjoyed working with all patients helping them get out of pain and stay out of pain. She has also found great enjoyment in working with patients through their pregnancies and helping little ones adjust to their new surroundings.  

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Tim Hamm, LMT


After 30+ years in the restaurant business, Tim took a chance to make his passion to help others become a reality. Tim likes to take the time to get to know you and learn your history and why you may have pain and stress in your life. Tim feels it enables us to build the appropriate treatment plan together to help you heal quicker.

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Stacy Kelly, LMT


As a second-generation massage therapist, Stacy was brought up to value the body and mind.  She is passionate about self-care and helping others. Now with over 10 years of massage therapy experience, she loves helping others to achieve their wellness goals.  Being a mom with two young kids, Stacy became passionate about Pre and Postnatal massage and care. 

Stacy is certified in Prenatal, Geriatric, Aromatherapy, Trigger Point, and Headache Therapy.  She looks at the body as a puzzle and will do her best to make you feel whole again. 


Lynn Cox


The engine that makes this machine go. Since joining our office in 2019 Lynn has been the keystone that holds it all together. She is always doing extra for the patients to ensure their experience goes smoothly. Lynn is a mother and a wife of a beautiful family. You will find her smiling around the office at every visit.


Lindsey Dugan


Lindsey is part-time at the front desk, where people check in during their visits with us. The first face people see when they come in. She can assist with scheduling and answering questions that a patient might have during their visit. She also offers non-invasive Cryotherapy here in the office, which is great for muscle relaxation, injury treatment, fat removal, and so many more benefits.

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