Meet the Team

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Team STC is made up of expert coaches that bring a diverse array of skills to help you reach and exceed your boxing, fitness a nutritional goals. Through every one of your sessions, we’re here to motivate you, push you out of your comfort zone, and help perfect your technique and live a healthier life. 

Brad Sorabella

Brad has been a boxer for over a decade and is deeply passionate about health and fitness.

Brad has 10+ years experience working with people of all levels; from someone who has never boxed or worked out in their entire life to Golden Glove champions. He is the 165lb. 2021 Gleason’s Gym 6th Annual Master’s Tournament Champion. Brad is a certified and experienced coach and is extremely knowledgeable in kettlebell, bodyweight training, and boxing. Brad is not just passionate about teaching safe and effective exercise, but also lighting a fire in people to work toward the healthiest, happiest life they can imagine.

Brad is a certified USA Boxing Instructor. He is also a Russian Kettlebell Certified Instructor (RKC I/II) as well as a Progressive Calisthenics Certified Instructor (PCC).

Kimbo Sorabella

Boxing/Health & Nutrition Coach
Kimbo is the owner of Whole Rose Nutrition as well as a boxing and fitness coach at STC.

Kimbo has been a competive athlete. She specializes in lifestyle change, energy renewal and nutritional education for athletes. Kimbo always brings the energy to her classes and motivates each member to push through when they feel like quitting. You can count on Kimbo to pay close attention to technique and to bring out untapped potenial physically and mentally. Outside of STC Kimbo is a recording artist and the front woman of a touring band. You can find her and her dog Poppy hiking and reading. 

Kimbo is a certified USA Boxing Instructor. She graduated from the Institute for Integrative Nutrition and Health Coaching, New York City (INHC) and is availability for 1 on 1 nutrition coaching and group sessions! 

Danielle Millian

Danielle has been an athlete since a young age and is an active amateur boxer.

Danielle holds the 2022 New England Championships Title and the 2017 Golden Gloves and New England Golden Gloves title. As a coach she believes in the small details that will help elevate people’s performance. Outside of STC you can find her spending time with her nephew, and studying the sport of boxing and continually improving her skills/coaching.

Danielle is a certified USA Boxing Instructor.

Dan Mahoney

Dan is a Waltham native, born and raised. He grew up playing hockey, baseball and basketball.

As a strong proponent of a healthy and balanced lifestyle, he has always remained active. Dan is knowledgeable in kettlebell, bodyweight and strength training; with passionate energy to help others bring out the best in themselves. He inspires to push others past their limits safely and effectively. Dan is also an avid runner, and believes that running should be an important component in your training regimen. On May 1st of 2022, he completes the Twin Lights Half Marathon in Gloucester in 2 hours. 

Dan is a certified USA Boxing Instructor and Russian Kettlebell Certified Instructor (RKC I)