Our Staff

Tiffanie Sperling

Managing Partner / VP Business Development and Operations

Tiffanie Sperling is a 30-year fitness veteran and a Member/Manager of enerGEEwhizz kids fitness®. Sperling is a graduate of the highly-regarded University of Illinois Champaign-Urbana, with a degree in Kinesiology and Exercise Physiology.. Sperling is nationally certified in personal training and group fitness including NASM, AFFA, ACSM and has specialty certifications in prenatal and postpartum fitness, youth sports development and fitness, yoga, indoor cycling and triathlon.  Besides her fitness industry acumen, Sperling has 28 years of fitness management experience in corporations and start-ups.  Tiffanie loves to call Chicago home and is the proud mom of 3 active, fitness loving kids.

Erica Chandler

Co-General Managers

Erica Chandler has always had an appetite for health and wellness. She began her career in the fitness industry shortly after graduating from Saginaw Valley State University with a Bachelor’s Degree in Kinesiology and Health Science. Since then, she has dedicated her life to serving as an educator and advocate to those hoping to create and maintain healthy lifestyles. After relocating from Michigan to Illinois, Erica has served as an Exercise Specialist in outpatient physical therapy clinics in the Chicagoland area where she worked with people of all age groups and physical capacities. Erica’s healthcare background and passion to help youth achieve their individual fitness goals is a perfect fit for enerGEEwhizz kids fitness®! When Erica isn’t coaching, she enjoys walking around the city exploring the many eateries Chicago has to offer.

Tiarra McGee

Co-General Managers

After succeeding as a high school and collegiate track & field athlete, Tiarra McGee decided to pursue a career in sports and fitness. Tiarra graduated from Lewis University in 2016 with a Bachelor’s Degree in Sports Management. Now a Certified Personal Trainer, Tiarra has worked in several gyms, sports performance facilities, and physical therapy settings. Her passion for helping youth live fit and healthy lifestyles drives her to create unique opportunities for our enerGEEwhizz kids fitness® participants! In her spare time, Tiarra loves to spend quality time with her family, friends, and her energetic Yorkshire Terrier.

Nathan Fioramonti


Working as a summer camp counselor, Nathan Fioramonti realized at a young age that his passion was to work with children, especially those with special needs. After studying Special Education at Old Dominion University, Nathan began his own personal fitness journey with a goal to lose 150 pounds. After discovering his love for fitness, he was motivated to pursue a Masters Degree in Health Education and Promotion from Marymount University. Nathan’s research interest is in child obesity prevention through increased daily physical activity. His career goal to help children and families realize the importance, value, and benefits of incorporating physical fitness in their daily routine is a perfect match for enerGEEwhizz kids fitness®. In his spare time, he loves to keep fit through running, triathlon and strength training, and skiing. Nathan relocated to Chicago from Northern Virginia and loves to explore and learn new things about the Windy City!

Caden Pociask

Front Desk Associate

Caden Pociask recently graduated with his Bachelor’s Degree in Criminal Justice from Roosevelt University.  Until he heads off to law school at Indiana University on a full-ride scholarship, Caden staffs our front desk. Caden discovered his passion for health and wellness after embarking on his own personal health journey during college. He lost over 80 pounds, and along the way developed a love for all things fitness– especially weightlifting and yoga. He strives to encourage and motivate people from all walks of life to develop healthy and sustainable habits. When he’s not welcoming enerGEEwhizz kids fitness® participants and parents, Caden enjoys watching true crime documentaries, hammocking in Grant Park with a good book, or just exploring the city. Originally from Northwest Indiana, Caden is continuously amazed by the endless sights and activities Chicago has to offer!



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