Mariana Goncalves, Owner and Level 2 Trainer
Mariana is a lifetime advocate of fitness and healthy eating.
- 2012 Reebok CrossFit Games Open, Master’s division, 25th place world wide.
- CrossFit Olympic Lifting Certification
- 2013 USAW Level 1 Sports Performance Coach
- 2013 NorEaster Masters Champion, 1st Place
- 2013 Reebok CrossFit Games Open, Master’s division, 28th place world wide.
- 2017 Reebok Crossfit Games Open, Master’s division, 54th place world wide.
Matt Pirozzi, Level 1 Trainer, Gymnastics Coach
Coach Matt has been a lifelong believer in health, fitness, and being active. He played baseball and soccer competitively in high school and went on to play Division II Soccer in college. Although he continued to be involved with soccer outside of college; coaching JV and Varsity teams as well as participating in local soccer leagues, Matt still looked for a sport that would challenge him as an athlete and a competitor.
Matt began doing CrossFit with Coach Mariana in 2010 and has evolved from just a soccer player into a well respected CrossFit athlete and coach. Just a year after starting CrossFit Matt began competing. Within the last three years Matt has done numerous competitions and has placed top ten in all of them. Matt competes yearly in the Reebok CrossFit Open and has made great improvements each year. Matt officially received his CrossFit Coaching certification in 2012 and his CrossFit Gymnastics certification in 2013. Matt likes to coach a wide range of athletes, from brand new CrossFit members to elite competitors, including a 2014 Regionals Athlete and a three-time CrossFit Games Masters Athlete. Matt enjoys seeing the success of all the athletes he coaches, whether it be a first pull-up or a 300 lb. back squat.
You’ll usually find Coach Matt in the gym moving around some heavy weight,
working hard and motivating our members to strive for their best.
Javier Aponte, Level 1 Trainer, CrossFit Kids
Sarah Goncalves, Level 1 Trainer
Marcus LaPiana, Level 1 Trainer
In addition to having his level one CrossFit certification, Marcus is certified in personal training, fitness nutrition, and youth fitness.
- 2014 Triton Games, 3rd place
- 2015 Reebok CrossFit Open, North East, Master’s division, 44th place
Nathan Carter, Level 1 Trainer
Although Coach Nathan was involved in sports as a child, it wasn’t until 2006, when he enlisted in the United States Army, that fitness became a focus in his life. Nathan initially began his fitness journey through the investment of time in a global gym.
While deployed to Afghanistan, in 2013, Nathan discovered Crossfit. During his deployment, Nathan began training independently during his free time; however, other soldiers quickly became intrigued and began to join Nathan in his daily workouts. It was then that Nathan decided that becoming a certified Crossfit trainer was something he wanted to pursue.
After returning home from Afghanistan, in 2014, Nathan completed the Crossfit trainer course at Crossfit Mayhem in Cookeville, Tennessee. Prior to moving to Long Island, Nathan spent one year coaching at Screaming Eagle Crossfit in Clarksville, Tennessee.
Since starting Crossfit, Nathan has seen, and continues to see, gains and improvements in his strength and conditioning abilities. As a coach, Nathan appreciates opportunities to motivate and assist athletes, of a variety of skill levels, in achieving new personal records (PRs) and improving their overall health & fitness.
Samanatha Bisagni, Nutrition Advisor
Samantha Bisagni is the Nutrition Advisor here at Kryptonite. Having always been into health and fitness, it wasn’t until she started taking a holistic approach to her health, that she realized the HUGE role nutrition played. Her main goal is to pass along what she has learned and to help those who are interested in bettering themselves through proper nutrition and a healthy lifestyle. She’s a firm believer in using food as medicine; we are capable of preventing so much by changing the way we eat.
Currently, she is enrolled in the Dietetic Technician Program at Suffolk Community College. After she finishes the program in June 2015, she plans to continue on to become a Registered Dietitian. Focusing mainly on integrative and functional medicine.
Janel Duffy, L1 Coach
Janel is a fitness and nutrition enthusiast. She completed her L1 in 2015. She enjoys pushing herself and others to limits that seem unachievable.
Janel earned he degree in english from Minnesota State University at Mankato. She earned All-American honors jumping into swimming pools, trying to make the smallest splash possible (boring). She is currently studying holistic health and wellness.
In her free time, Janel enjoys cooking paleo treats using all the best ingredients including tree bark, crab grass, and used coffee grinds.
Mike Griffiths, L1 Coach
Mike, also known as “RKG” got his L1 certificate in 2015 at CrossFit Mayhem. He thinks of himself as a semi-pro exerciser, although Coach matt would say otherwise. His greatest achievement was first loser at the 2016 Tribal Games in Riverhead, NY.
In High School, Mike played golf, baseball and ran winter track. He received his undergraduate at SUNY Cortland in Physical Education in 2016. Over the summer Mike is an Ocean lifeguard for the Town of Southampton.
Other than working out , Mike likes to use his fitness to be active and compete in the Annual Peanut Butter Sculpture Challenge in Minnesota.