Sherri Laffey Sarrouf

Owner SLS Fitness

Sherri Laffey Sarrouf Sherri Laffey Sarrouf, the owner of SLS Fitness Strength and Conditioning Center, opened SLS Fitness six years ago in Lowell, Ma. Since that time SLS Fitness has expanded to three locations and its main facility has grown from 7,500 to 18,000 square feet which includes Group Fitness training areas, Boxing, MMA, Yoga and Read more…


Susan Kirby

Certified Trainer & ME Fat Loss Nutrition Consultant

Susan met Sherri in 2007 and was instantly inspired by her energy, fitness knowledge and business skills. This was a turning point in her beliefs on how to take care of ones self in the modern age. Susan has a passion for nutrition and enjoys meeting with the members regarding Metabolic Effect Fat Loss Nutrition. Read more…


Steven Crowley

Certified Personal Trainer

Steven is a certified Metabolic Effect trainer and co-manager at SLS Fitness. Steven met Sherri one day while driving by Shedd Park in Lowell during one of her boot camp classes. When he decided to join in on the class, it became the first day of the rest his life. He gained a new philosophy of Read more…


Melanie Coughlin

Certified Personal Trainer

Fitness has always been a part of Melanie’s life. At an early age, she began extensive training in dance and gymnastics. She was the captain of her high school field hockey; and participated in Track and Field for 6 years. Melanie received her first fitness related certification in 1999 through the Dance Education Training Program Read more…


Shawn DePaul

MMA and Boxing Trainer, Co-Manager

Shawn DePaul is a manager at SLS Fitness, Lowell and has been with the company for 4 years now. He has helped create the Boxing, MMA, and Jiu Jitsu programs at the Lowell location. Shawn has competed professionally in mixed martial arts for the past ten years. He received his training at the Massachusetts Submission Read more…


Courtney Ford

Licensed Physical Therapist and Certified Personal Trainer

Courtney’s love for exercise began in high school as a track and cross country runner. Receiving the “Most Valuable Player” award two years in a row on the women’s cross country team and earning several personal and team school records in track; Courtney made a personal commitment to lifelong exercise and fitness. After graduating from Read more…


Nick Zullo

Certified Personal Trainer

Nick was raised in Stoneham MA and comes from an Italian Family with a deep passion for Soccer. He played competitively growing up on various select teams, and after getting recruited to several schools, he decided to attend Northeastern University. It was here that he gave up playing competitively, and discovered his passion for fitness. Read more…


Alessio Angiolilli

Certified Personal Trainer

Alessio grew up in a large family in Stoneham, MA. From early childhood he was interested in sports, as well as outdoor activities. He was prominently involved in soccer and martial arts, receiving a fifth section belt. In high school Alessio excelled in football as an offensive tackle, guard, and defensive tackle. He also participated Read more…


Kaitlyn Moriarty

Trainer

Kaitlyn grew up in Dracut and now lives in Tyngsboro. She attended Dracut High, where she was the goalie for the field hockey team. She stayed active and began running road races and half marathons. One of her greatest accomplishments was finishing the Boston Marathon in 2010. It was during her training that she developed Read more…


Ann Buerger

Certified Personal Trainer and Yoga Instructor

Ann has been involved with fitness in one capacity or another from an early age. Starting ballet at the age of four, she progressed to modern dance in high school. In college, Ann was Captain of the Elite University of Wisconsin – Oshkosh Pom-Pom Squad. After graduating with a BS degree in Education with a Read more…


Sarah Stone

Certified Yoga Instructor

Sarah had a mixed relationship with yoga. From the first few times she stepped on the mat, there was a struggle to calm her mind and focus her energy. She would muscle her way into postures, consequently holding her breath, cursing down dog and any posture held for more than a few seconds. Coming from Read more…


Melissa Clement

Licensed Physical Therapist

Melissa graduated from the University of Massachusetts Lowell where she received her Bachelor’s degree in Exercise Physiology in 2011 and her Doctorate degree in Physical Therapy in 2014. Melissa works at a hospital based outpatient rehabilitation clinic and enjoys rehabbing orthopedic and sport related injuries, in addition to adult and pediatric neurological rehabilitation. Melissa has Read more…


George Peterson

Certified Personal Trainer

George has been working as a fitness professional for eight years. He has served as a Physical education teacher, personal trainer and group training coach over that period. George specializes in training athletes and uses his experience as a former All-American football player at the University of New Hampshire to develop effective strength programs for Read more…


Mike Hastie

Certified Group Exercise Trainer

Mike found SLS Fitness early in 2014 and loved what it had to offer. He had already been very involved in the fitness world prior to joining our team. He became a Group Fitness Instructor in April ’13, and really took a liking to guiding people along in their own fitness journey. The body is Read more…


Eric Fulgham

Certified Sports Performance Coach

Eric is a former Division 1 collegiate athlete, and graduate of the University of New Hampshire with a Bachelor of Science Degree in the Field of Health & Sciences and a concentration in Strength and Conditioning. Eric is a certified sports fitness trainer and member with the National Strength & Conditioning Association (NSCA), as well Read more…


Larry Kootz

Boxing Trainer

Larry started with SLS Fitness in 2013 closely training with Shawn DePaul in MMA. Larry was born and raised in East Boston and has trained extensively in boxing gyms such as Murphy’s and Red Line Boxing in Cambridge where he received most of his training with Al Loria. Larry is excited to join the SLS Read more…


Kellie Foley

Manager & Certified Personal Trainer

Kellie Foley is our manager and representative of the SLS Fitness Lowell!  Kellie has been a Sherri Sarrouf enthusiast for over 10 years.  Developing a love for fitness of the mind and body focusing on feeling good, promoting health and preventing injury.   Her devotion to training enables her for a happy lifestyle to run, surf, Read more…


Becky Glass, DPT

Licensed Physical Therapist

It was evident that Becky was interested in movement at an early age. She began dancing at the age of 4 and now has more than 25 years of training. She was a defensive specialist in volleyball in high school as well as the collegiate level, becoming Varsity Team Captain at both levels. In 2004, Read more…


Pat Stefanski

Certified Personal Trainer

Patrick is a 2016 graduate of Springfield College where he received a Bachelor of Science Degree in Applied Exercise Science with a concentration in Sport Performance and a minor in Business Administration.  At Springfield Pat was a three year starter on the Men’s Rugby Team, two year captain, two time selection for the league all Read more…


Laurie Thompson

Coach, Yoga Instructor

Laurie started practicing yoga regularly about four years ago, and was inspired to teach after taking a few power yoga classes. She enjoyed the way she felt during class — strong and fearless. The more she practiced, the more she learned about herself. She decided she wanted to deepen her  practice, and decided to enroll Read more…