Harmonic Nutrition & Wellness, LLC
3118 RFD
Long Grove, IL 60047

(847) 383-5947
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Lesli Koskela RD, MBA, CWC, LDN has over two decades of experience as a registered dietitian/licensed nutritionist and is the owner of Harmonic Nutrition & Wellness, LLC. She provides nutrition therapy, wellness coaching services and workshops to individuals and groups all around the country.  

In her work, Lesli draws from a wide-range of health care experience. She did her post-graduate clinical training at Cook County Hospital and was a clinical dietitian at Northwestern Memorial Hospital specializing in eating disorders, burn, oncology and spinal cord injury nutrition.  Additionally, Lesli worked for over a decade in the pharmaceutical industry in sales, marketing and as a business director.  

Lesli specializes in helping her clients meet their lifestyle and wellness goals WITHOUT dieting.   Call today to jumpstart your health!  


Advanced Training & Certifications

  • Licensed Health & Wellness Coach
  • Certified Food Sensitivity Therapist
  • Certified Expert in Child & Adolescent Weight Management
  • Mindful & Attuned Eating Expert (Duke University Certified)
  • Licensed Food Allergy Specialist
  • Licensed "Am I Hungry?" Weight Management Coach

Professional  Affiliations

  • American Dietetic Association
  •  American College of Sports Medicine
  • The Institute of Lifestyle Medicine
  • The Center For Mindful Eating
  • Binge Eating Disorder Association
  • Illinois Dietetic Association & NW Illinois Dietetic Associations

Active Professional Dietetic Practice Groups  

  •  Medical Nutrition Therapists
  •  Cardiovascular and Wellness
  •  Sports and Cardiovascular Nutrition
  •  Dietitians in Functional Medicine
  •  Nutrition Entrepreneurs
  •  Eating Disorders
  •  Dietitians in Business & Communications
  •  Weight Management
  •  Pediatric Weight Management
  •  Women’s Health

Education & Post-Graduate Dietetic Internship

  • MBA   Masters Business Administration, Lake Forest Graduate School of Business  
  • B.S. Clinical Nutrition & Dietetics, Central Michigan University 
  • B.A.A.  Health Fitness Promotion in Hospital & Corporate Settings,  Central Michigan University
  • Post-Graduate Dietetic Internship:  Cook County Hospital in Chicago, IL  
Address : Business Mailing Address:
1526 RFD, Long Grove, IL 60047
Harmonic Nutrition & Wellness, LLC
Long Grove, IL 60047
Phone : (847) 383-5947
Fax : (866) 423-9202
Email Address(es) : HarmonicCoach@gmail.com
Website(s) : www.HarmonicNutrition.com