Ari Weller is the founder and lead trainer at philosofit. For 30 years Ari’s been at the forefront of fitness, coaching clients with a focus on training smart for a longer, healthier, happier life. Ari’s team of trainers at philosofit are models of the method, which means they know how to move consciously and with integrity, how to avoid injury and how to recover from the unavoidable injury. In other words: maximum fitness with minimum wear and tear.

Ari’s philosophy revolves around what he calls The Six Fields of Fit™: Recovery, Mobility, Core, Stability, Strength and Heart Waves . These ‘Fields’ are the essential ingredients for improving fitness and helping people to live life to the fullest. Ari states, “No matter your fitness level, age or physical abilities, our goal is make the most out of each workout. To do that involves training equally in all ‘Six Fields of Fit’ at every single session.”

Ari has been the personal trainer of choice for thousands of people including: Christie Brinkley, Jeff Gordon, Dr. Oz and Howard Schultz, and his work has also been featured on The Dr Oz Show, The New York Times, New York Magazine, Entertainment Weekly, Self Magazine, W Magazine, Fitness, Men’s Journal, Details, Harper’s Bazaar and more…

Studies & Influences:

ACE Certified (American Council on Exercise)
ACE Corrective Exercise Specialist
ACE-Functional Aging Specialist
Functional Movement Screen™ (FMS)
GYROTONIC® Method–Teacher
GYROTONER®-Certified
Neurokinetic Therapy™ (NKT)
Anatomy in Motion (AiM)
Certified Functional Strength Coach (CFSC- MBSC)
Ki-Hara Stretching
Pilates Mat- Power Pilates
EM Technique (Emory Moore)

Alissa Smith is an ACE certified personal trainer and a Kripalu trained yoga instructor. She holds certifications in the Functional Movement System, AFAA Group Fitness and Mat Pilates. She is an open-water lifeguard specializing in water fitness and aerobics.

Alissa began her personal training career at Equinox in Brooklyn Heights. She then added yoga and sharing the importance of a mind-body connection. She loves being a supportive and motivating trainer. Alissa is excited to be back home in the Hamptons and a part of the philosofit team.

Keith is a Certified Strength and Conditioning Specialist (CSCS) by the National Strength and Conditioning Association (NSCA). After earning his bachelor’s degree in Kinesiology from SUNY Cortland Keith completed an internship at the prestigious Athletes’ Performance (now EXOS) Center in Arizona where he had the opportunity to work with athletes in the NFL, MLB, NHL, WPGA, and many other sports. He then went on to work as a D1 Strength and Conditioning Coach before returning to the Hampton’s where he grew up and joining the philosofit team.

Keith’s passion for learning about the human body has pushed him to take countless courses and seminars over the years, some of those include:

Titlest Performance Institute (TPI) level 1&2
Neurokinetic Therapy (NKT) level 1&2
Selective Functional Movement Assessment (SFMA)
Post Rehab Essentials, and many more.

Alwyn is originally from Lake Arrowhead, California. She was a professional dancer and performed throughout the United States and Europe. Alwyn began studying GYROTONIC® exercise in 2000 in New York City, and became a certified in the GYROTONIC EXPANSION SYSTEM® in 2005 and the GYROKINESIS® method in 2008. Alwyn is certified in GYROTONIC® specialized equipment, the Jumping Stretching Board, the Gyrotoner and the Ladder. Alwyn trained with Susan Moran Sheehy for her Pilates Mat certification and additionally has studied movement and injury prevention with Tom Myers, Eric Franklin, The Harkness Center for Dance Injuries and the Kelly Kane School. She has been trained in Reiki with Jane Stansel and is currently pursuing her Liberal Arts degree from St. Mary’s College of California.

Tom Cohill is the consummate athletic coach and practitioner. In 1998, he fell in love with helping people to achieve their athletic goals as a personal trainer at Equinox Fitness in New York, during which time he also put himself through college with his work as a trainer.

Now in his almost 10 year tenure at Philosofit, Tom has expanded his knowledge and passion for movement acquiring multiple certifications:

• Functional Movement Specialist

• Sports Performance Specialist

• Orthopedic Exercise Specialist

* All through the American Council of Exercise (ACE).

Tom is also the Head Coach of YMCA East Hampton Hurricanes swim team since its inception in 2003. The Hurricanes brought home the state championship in 2022 under his tutelage. His love of training also motivates him to complete in triathlons, including at least one Ironman. Tom is stoked to be a part of the integrative approach and team at Philosofit.

Brittni is an ACE certified personal trainer, a 500-hour Yoga Alliance certified teacher and holds certification in the Functional Movement System (FMS). She’s a retired competitive figure skater where she regularly trained with the Philosofit team for her sport. Brittni combines athletic conditioning with yoga to offer a holistic approach to fitness.

Her programs focus on building strength, improving mobility and enhancing mental resilience. She helps clients of all levels achieve their fitness goals through mindful movement and functional training. Born  and raised in East Hampton, Brittni is thrilled to be a part of the Philosofit team.