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Personal Trainers  •  Registered Dietitians  •  Conditioning Specialists

Some of us may look like meatheads, but it's not all deadlifts and PRs.

Domenic DiSisto


Growing up in the fitness industry, Domenic accumulated a diverse skill set from each experience and mentor he had. Training and conditioning have been a huge passion for most of his life. 

He graduated from Merrimack College with a Bachelor's degree in Sports Medicine and a Master's degree in Exercise Science. Since then, he has served the Southern NH and Northern MA communities with his knowledge and expertise in health, wellness, and training.

Coach Dom chopping tree for log press
Coach Dom poses with his log press

As a strength coach, Dom enjoys enabling his clients to take control of their health through programming and education. His specialties include personal training, corrective exercise, assisted stretching, athletic performance, rehabilitation, and nutritional guidance.

Above everything, Dom aims to put clients in the best position to achieve their goals. That's why he started Sheer Dominance. Hard work guarantees you nothing, but without it, you don't stand a chance.

Connor Roche


Connor is a Corrective Exercise Specialist (CES) and Certified Personal Trainer (CPT) from Southern, NH. He has worked in the fitness industry for 7+ years and has built a rapport with clients across Southern, NH and Northern, MA.

As a personal trainer and exercise specialist, Connor is passionate about reducing and relieving chronic pain, specifically inherited by postural misalignments, muscular imbalances, injuries, and improper body mechanics. His specialties include assisted stretching, corrective exercise, personal training, and more.

Coach Connor competing in a spartan race
Coach Connor mountainbiking

In addition to working at SD, Connor serves the community as an EMT. When he's not training clients and saving lives, he stays active hiking, climbing, and competing in challenging obstacle races..

He strives to create a fun training experience for clients while educating them on how to take control of their health. Working with Connor, you will enjoy a well-rounded, dedicated coach whose top priority is helping you reach your goals.

Casie White


Casie grew up in a nutrition-forward household, and he always knew he’d pursue a career in health and fitness. Yet, he was inspired to become a Registered Dietitian (RD) after noticing a lack of nutrition knowledge among his lacrosse teammates in college.

He graduated from Rochester Institute of Technology with a Bachelor’s degree in Nutrition & Dietetics, and he recently received his Masters's Degree in Nutrition and Human Performance from Merrimack College. As a dietitian and trainer, he empowers clients to achieve their wellness goals by merging his passion for sports with his commitment to promoting optimal nutrition services.

Nutrition coach, Casie, after a race
Nutritionist, Casie, picking strawberries

As a nutritionist, Casie emphasizes using food to fuel your body. He believes every food serves a purpose, and there are no wasted calories. When he's not working with clients, he spends his time cooking, reading, and cycling. 

Casie enjoys working with diverse clients and educating them on living a happier life through nutrition and exercise. Whether you’re seeking general nutrition guidance or a dedicated dietitian, Casie can provide the knowledge and adive to help you reach your wellness goals.


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