eForce Strength owns and manufactures the eForce™ line of eccentric strength training equipment, which is a unique eccentric strength training device that attaches to any commercially manufactured piece of strength training equipment. Our technology can off-load weight during both the eccentric phase as well as provide lift assistance to the user during the concentric phase of any repetition.

The preceding technology, the Maxout Tower, was owned and operated by the former Maxout Strength Systems. The Tower technology was created at the University of Florida in the early 1990’s and remained under their control until 2007. It was used primarily as a research tool designed to determine the effects of eccentric strength training as it pertained to injury rehabilitation.

In 2007, the technology was released by the University of Florida to a group of investors who decided to turn the technology into a fitness business – Maxout Strength Studio, one that provided strength training in only one hour per week. While the results were astounding, the business faltered. In 2010, eForce™ Strength co-founders, Jason Griggs and Matt Cubbler, purchased the company and moved everything to their hometown of Royersford, Pennsylvania.

Jason and Matt reestablished the Maxout Strength Studio brand while continuing to find ways to improve the technology as well as the methodology that was used in conjunction with the Tower. Over the next 5 years, they began making major improvements to the design, function and logic found within Tower. They continued to find new and better ways to deliver to their customers the best technology that science has to offer.

In 2011, they were fortunate enough to meet Mike Barwis, founder of Barwis™, who was and is a world-renowned strength and conditioning expert. At the time, Mike was the Director of Strength and Conditioning at the University of Michigan. Seeing an opportunity to advance the functionality of the Maxout Tower, Mike authored the programming for it. He also began implementing the Tower into his strength training program at the University of Michigan and at his Barwis™ Training Center in Plymouth,

In 2013, after several years of research, patents were filed for a new technology that is now known as the eForce™ technology. eForce Strength currently holds two issued patents with the United States Patent and Trademark Office: USPTO #8900097 issued in 2014 and USPTO #9174086 issued in 2015.

In February of 2018, the final two Maxout Towers to ever be built were installed at the Pittsburgh Steelers Training Facility in Pittsburgh, PA with the intention of ultimately creating a partnership between eForce Strength and the Pittsburgh Steelers. In late 2018, a 3-year partnership with the Pittsburgh Steelers was signed and the first two eForce™ 350 units were installed in their training facility in February of 2019 replacing the existing Maxout Towers.

Today, eForce Strength is a strong and proven business with its CEO Jason Griggs, COO Matt Cubbler, and co-owner, Mike Barwis. Combining the power of the Barwis™ Brands with our established partnerships with such iconic brands as the Pittsburgh Steelers was vital to the success of eForce TM Strength.

The eForce™ technology will soon be used in High Schools, Colleges, Universities, Professional Sports Teams, and in privately owned gyms and training facilities across the country. Our goal is to positively impact and change the lives of every person who uses our technology. The strength increases, performance increases and muscular-skeletal health benefits that each person receives after using our technology is our motivation. Our promise is to always deliver and to never waiver from our commitment to our customer’s needs.




Jason has been leading the former Maxout and current eForce Strength brands since inception in 2009. He immediately recognized the unique qualities of the previous Maxout Tower technology for exactly what it was, a revolutionary strength development device. Jason’s first role with Maxout Strength Systems was that of our designer. He reconfigured the Maxout Tower to create each of the 4 generation of Towers that are currently in the marketplace.

In 2012 Jason was named President and CEO of Maxout Strength Systems, LLC and began to take the company in a new direction. Jason quickly helped to move the
company into equipment sales direct to Colleges and Universities as well as elite athlete training centers. With his hands-on knowledge of the Maxout Tower, Jason was the obvious choice to lead the company.

In 2013, Jason was instrumental in designing and filing for the two issued USPTO patents on the new eForce™ technology and was named the President and CEO of the newly formed eForce Strength which owns and manufactures the patented eForce™ technology.

Jason’s background is in construction and land development and since 1998, he has successfully built or developed over 180,000 SF of retail and office space, 20 acres of industrial land, owned college housing and built 21 Single Family homes. He has a long- standing relationship with Kiddie Academy, a national daycare franchisor, as their Southeastern Pennsylvania preferred developer. Jason has successfully built and continues to own 5 Kiddie Academy properties and he continues to assist Kiddie Academy in their growth plans in “SEPA” as a consultant and developer.

Jason has served on various committees and boards in his hometown both civic and political. Today he serves as a mission trip leader for his church and as a Trustee for his alma mater, Wilkes University. Jason is married to his beautiful wife, Tammy and the proud father of his three children – Jenna, Allison and Evan. They reside in Limerick with their dog, Daisy.



Matt is one of the founding partners of the former Maxout Strength Systems and the new eForce™ Strength. Matt has had a very diversified and unique career – over 30 years of military/law enforcement experience. Matt spent four years as an intelligence analyst in the United States Army and did a tour in the Middle East during Operation Desert Shield/Storm. After completing his enlistment, Matt became a full-time police officer in suburban Philadelphia.

For the next 9 years, Matt worked the streets and served as a member of the area SWAT team – acting as an assistant team leader, SWAT instructor and firearms instructor. Matt took a 4 plus year hiatus from local law enforcement shortly after “9/11” and made the choice to use his unique skillset as a member of the newly formed United States Federal Air Marshal Service (FAMS). During his FAMS service, Matt flew over 4,000 missions across the globe – protecting U.S. commercial airliners from terrorism.

In June of 2006, Matt returned to local law enforcement and resumed patrolling the streets and training SWAT officers in tactics and firearms. Matt is also an expert in the Israeli self-defense system known as Krav Maga and spends his free time training and teaching others. When not patrolling the streets or running operations for eForce™ Strength, Matt is also a sought-after inspirational speaker, youth mentor, author of the memoir “A Brother’s Love: A Memoir” and the host of the popular Two Dates and a Dash Podcast.

As the COO, Matt’s responsibility lies in “getting the mission accomplished” – no matter what is required and no matter what the mission entails. Matt’s background and his understanding of what it takes to be mentally and physically prepared to defeat the enemy, makes him the perfect man for the job. Matt is also responsible for maintaining our company’s integrity in ensuring that we are producing a quality product, serving our customers’ individual needs and that every piece of equipment that leaves our shop is helping to make the human body stronger than our customers ever imagined. Matt is married to his beautiful bride; Lauren and they have two amazing children – Rebecca and Andrew. They reside in Limerick, PA with their dog, Walter.



Mike Barwis is the Director of Sports Science and Human Performance for the Detroit Red Wings.

The founder and CEO of the BARWIS companies and charities, Mike also serves as the Senior Advisor of Sports Performance for the New York Mets.

Mike has been recognized as one of the most influential strength coaches of all time, having worked with professional and Olympic athletes in over 40 sporting events.

Prior to BARWIS, Mike was the Director of Strength and Conditioning for both the University of Michigan and West Virginia University and was the star of Discovery Channel’s international-hit reality show American Muscle.

He’s been featured in hundreds of journals, magazines, and news channels and has also advised Fortune 100, federal and state-government organizations on various topics such as health and nutrition, strength and conditioning, sports science and physiology. He wrote and taught the graduate curriculum on physiology as an adjunct professor at West Virginia.



+1 (610) 792-9700




eForce Strength Equipment
519 Main Street
Suite C
Royersford PA 19468