Dr. Aaron Casselman has been practicing as the owner of Pinnacle Chiropractic for 15 years.  He grew up in the Boston area and moved out to Colorado in the 1990’s to live the “Colorado lifestyle”. Dr. Casselman enjoys skiing, mountain biking and camping.  He started his career as a wildlife biologist but then switched to people 🙂 due to his drive to help people with health issues in a more natural and comprehensive way.  He is married to his lovely wife Megan and has 3 children: Bodhi, Nina and Owen.


Heidi is the Lead Health Coach with Ideal Weight Loss and Wellness Colorado.
She is a native of Minneapolis, Minnesota but moved to Colorado with her family over 12 years ago. She enjoys working out and playing tennis but her real hobby is watching her twin boys play hockey, basketball, tennis and golf.  She loves coaching our Ideal Protein clients because it allows her the opportunity to help them reach their weight loss and wellness goals.  Fitness is a huge part of her life and she loves to talk with our clients about how staying active can complement our weight loss protocol, especially in Phase 2 and 3!


Cassidy loves working as a chiropractors assistant. She is currently going to school and applying for a Dental Hygiene program at the Community College of Denver. In her free time she loves any outdoor activities such as hiking, paddle boarding, and playing with her dog Sadie.


 Ashley is our morning receptionist here at pinnacle chiropractic. She enjoys her job because it allows her to meet and help many amazing people as well as be a part of a great team. In her free time she likes to enjoy the outdoors doing activities such as hiking or paddle boarding, working out, yoga, and spending time with friends and family.


You can spot Lynnea helping patients in the treatment room as our morning chiropractic assistant, and again in the afternoon as one of our receptionists! She’s always around to answer questions or assist around the office however she can. She’s a fan of horror movies and animals of any fluffy or scaly species, and when she’s not in the office she enjoys painting and reading.


Joelle, the office manager, is a native to Colorado, born and raised in the Columbine area.
She is the jack of all trades in the office, having been blessed enough to work for Dr. Casselman for three years and counting! She has three kids that she adores and enjoys watching them become great people. She quilts as often as she can and loves rowing to help keep healthy.
She is always available to help out patients and clients with any questions that they have.


Jennifer is an afternoon chiropractic Assistant and has worked in the healthcare industry for 20+ years.  She has a Certified Nursing Assistant license, Bachelor of Human Development, Certificate in Gerontology and Alzheimers Care.


Emma is one of our IP health coaches and lead LipoMelt tech. She loves walking alongside her clients with each victory or challenge as they work towards their best selves. Reach out to her with your nutritional questions – she could talk about food all day! Originally from Wisconsin, Emma, her fiance Ryan, and their two swiss mountain dogs love the snow and long hikes.


Mya (pronounced Mia) has been a Chiropractic Assistant for 2+ years and wants to continue growing within the healthcare field for many years to come. She is currently working towards her Bachelor of Applied health.  Her hope is to continue working in healthcare to fulfill the love of care she has towards individuals.