At Elite Custom Fitness, our trainers are invested in providing an experience unlike anything you'll find at other facilities in the area. Unlike many other gyms, at Elite Custom Fitness the training you'll receive will be comprehensive, individualized and tailored to help you achieve your goals. With extensive experience and knowledge in strength training and coaching, both Tim and Jack are truly the best of the best in the Pittsburgh area at what they do.

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Owner and Lead Trainer

Dedicated to training since a young age, Tim Merolillo has worked hard his entire life for his personal and professional accomplishments. Hard work and dedication were the keys he discovered to accomplishing his goals. This is passed on to those who seek him out as their trainer.


Tim has participated in various fitness training programs, including high school sports training and college level sports training. These programs made Tim strive for excellence because they instilled a concrete idea, which is to always be ready for the next step.


Throughout Tim's journey toward building his own business, he has always taken pride in his extensive knowledge and understanding of training and building strength. He believes in providing the best possible experience for his clients.

Tim has earned many extensive accolades and accomplishments including:

  • Master's Degree in Exercise Physiology: Indiana University of Pennsylvania

  • Certified Strength and Conditioning Specialist

  • Bachelor's Degree in Sports Management: Concord University

  • Titleist Performance Institute - TPI Certification

  • First aid/AED certification

  • All-region baseball performer Concord University

  • WPIAL player of the year 2005 [baseball- North Allegheny School District]


Strength and Conditioning Specialist

Jack is our newest member of the Elite Custom Fitness team, offering a wide variety of expertise to our community. Jack is a former track and field athlete during his time in high school and college career, which is where he fell in love with strength and conditioning. By the time he finished his collegiate career, he was one of the most decorated athletes in Bloomsburg's history. In addition to his time as an athlete, Jack spent an exceptional amount of time coaching and training individuals ranging from beginners to professional athletes.

As a recently married man to a collegiate coach, he and his wife decided to relocate to Pittsburgh, PA to be closer to friends and family. He is extremely excited to help continue the trend of ECF being one of the most dominant training centers not just in Pittsburgh, but the state of Pennsylvania.


Jack has earned many extensive accolades and accomplishments including:

  • Bachelor’s degree (Bloomsburg University) and Master's degree (East Stroudsburg University) in Exercise Science

  • Certified Strength and Conditioning Specialist

  • 4 time All-PSAC performer and 3 time All-Atlantic Region selection in track and field

  • Coordinator of Strength and Conditioning position at Penn State Behrend (2017-2020)

  • Assistant Track and Field Coach at Allegheny College