Meet the Team

Chiropractor Mark Glesener D.C.

Chiropractor St Charles IL Mark GlesenerDr. Mark Glesener was born and raised on a farm in DeWitt, Iowa. He attended Central College in Pella, Iowa where he received his Bachelors of Science degree and went on to earn his Doctorate of Chiropractic degree from Palmer College of Chiropractic in Davenport, Iowa in 1987.

Practicing in St. Charles Illinois since 1988, his primary focus has been on injury prevention, wellness and early intervention. His goals include teaching people how to prevent injury, recover from painful conditions quickly and live a healthier lifestyle. Dr. Mark Glesener is active in his local community, often speaking to local community groups and corporations on wellness and injury prevention.

Continuing his education with an emphasis on updating his knowledge and skills to eliminate acute, chronic and recurring pain, allows him to include treatment methods which are on the cutting edge of healthcare. Helping people recover their lives and return to work and the leisure activities they enjoy are the reward he reaps for his efforts.

Community Involvement:

  • St. Charles Breakfast Rotary
  • St. Charles Chamber of Commerce

Professional Groups:

  • Illinois Chiropractic Society
  • American Chiropractic Association
  • ACA Council on Occupational Health
  • International Academy of Chiropractic Occupational Health Consultants
  • Certified Graston Practitioner
  • Fascial Manipulation Association

Onsite Wellness Care Physician:

  • Grahams Fine Chocolates - Geneva, IL
  • Grahams 318 - Geneva, IL
  • Local manufacturing and food processing plants - St. Charles, IL

 Chiropractor Paul Turrell D.C.

Chiropractor St Charles IL Paul TurrellAs a multi-sport athlete in high school and playing 4 years of baseball at a Division II school, Dr. Turrell understands what it takes to be a successful athlete today.

Dr. Turrell graduated from National University of Health Sciences in 2012. He is certified in acupuncture and physiotherapy.

With his training, Dr. Turrell has treated professional athletes from the Chicago Bears, Pittsburgh Pirates, Dallas Cowboys and Pittsburgh Penguins to name a few.

In 2014, Dr. Turrell was chosen by the wellness team director of the US Open to work alongside and collaborate with a multitude of practitioners to effectively treat golfers and caddies during the US Open.

Chiropractor Steve Belano D.C.

Chiropractor St Charles IL Steve BelanoPrior to becoming a chiropractor, Dr. Steve Belano used his exercise physiology degree in the fitness industry. He enjoyed training in powerlifting and bodybuilding while using his education and personal experience to train others. During this work he found nutritional programming to be an essential part of his client’s success. Through his own struggles with sports injuries, he sought chiropractic care to help him recover. He was so impressed with the results that he decided to become a chiropractor to help others achieve outstanding outcomes.

Dr. Belano graduated from National University of Health Sciences in 1999. As a chiropractor, he has had the opportunity to treat many different athletes from the NBA, UFC, Ms. Fitness, and competitive powerlifters. Presently, he is focused on different myofascial techniques and biomechanics as part of his continuing education. He enjoys working patients through complicated injuries using his acquired knowledge and ongoing training. He is excited to bring his experience to our office, adding to our patient’s success.

Chiropractor Jon Chavez D.C.

Chiropractor St Charles IL Jon ChavezWhile targeting his education toward enrolling in medical school, Dr. Jon Chavez started to experience frequent headaches. His friend suggested that chiropractic care could be a solution. Skeptically he tried it out. To his amazement, chiropractic worked. This changed his opinion and his career path, impressing him enough to start training for his Doctorate in Chiropractic.

Dr. Jon graduated from National University of Health Sciences in 2001. He has continued his education in the study of diagnostic imaging and taught at the collegiate level since then.

Dr. Jon has utilized his chiropractic training to provide exceptional care for patients in his own office. Additionally, he has utilized his talents to work with patients in other health facilities and medical offices. He feels each patient is unique and deserves a personalized and custom approach to their recovery.

Seeing our office’s interest in providing rapid and effective care, Dr. Jon joined our staff in 2019. Our Mission of giving people effective treatment and education, and allowing them to live life pain-free, matches his own.

Sam - Support Staff

Chiropractic St Charles IL SamSam has been working with Dr. Glesener on and off since 2007. She graduated in 2008 from the Wellness and Massage Training Institute.

Sam has been trained in:

  • Swedish Massage
  • Deep Tissue Massage
  • Positional Release
  • A.I.S. (Active Isolated Stretching)
  • Prenatal Massage

Sam enjoys spending time with her husband, family and friends. She loves to travel and is also an avid animal lover. She has two cats who provide hours of entertainment.

Sam says: " I find great joy in the work I do and love knowing that I take part in helping people on their way to recovering from an accident or moving towards a healthier lifestyle."

Marcy - Office Manager

Chiropractic St Charles IL MarcyMarcy has devoted her career to medical office administration. She has a passion for helping others. It can be as simple as a smile for someone who is in pain.  She strives to be a ray of sunshine to anyone who crosses her path.

Marcy is married to her husband Ed and they share 4 children. She enjoys reading, outdoor activities with her family on sunny days, and making people laugh. She hopes to someday move to Tennessee, long after her children are grown, to get away from such harsh winters (the cold is not her favorite). She enjoys the hills and mountains that TN has to offer.

Katrina - Office Coordinator

Chiropractic St Charles IL Katrina Office CoordinatorKatrina has many interests which include yoga, hiking and gardening. She is furthering her education to become a yoga instructor and health coach. Being wholistic and healthy has helped her mentally, physically and emotionally. She looks forward to sharing that positive experience with others.

One of her passions is growing and learning about the different herbs in her garden. She says it's interesting to see the health benefits that each can provide. This has led her to create her own teas and salves from mixing dried herbs. She also loves juicing greens from her garden creating her own 'super green juice'.

Finding and creating natural DIY beauty products takes her further into educating herself about natural and holistic health. She really likes applying what she learns on her own journey of health.

Learning new instruments excites her. Currently, she is learning how to play the keyboard and violin. She enjoys being a part of the chiropractic office. It allows her to be with other people who work at and take care of their health. Taking care of patients is the best part of the job.

Nate - Massage Therapist

Chiropractic St Charles IL Nate Massage TherapistNate has been a massage therapist since 2001. He started his career with Dr Glesener and has been a part of Fox Valley Chiropractic Physicians ever since.

He has been trained and certified in the following:

  • Swedish Massage
  • Deep Tissue Massage
  • A.I.S. (active isolated stretching)
  • I.A.S.T.M. (instrument assisted soft tissue manipulation)
  • K.T. Taping
  • Cupping

Nate enjoys being outdoors and working in his workshop creating wood projects (a.k.a. making sawdust)
He loves ALMOST all animals (he has an allergy to cats sooo…) Travel is something he enjoys, meeting new people, and learning about different places has always interested him.

6:30am - 12:00pm


6:30am - 12:00pm


6:30am - 12:00pm


Fox Valley Chiropractic Physicians
1750 East Main Street Suite 60
St Charles, IL 60174
(630) 377-8844