Weight Loss in Chelsea, NYC

NASM-certified trainer Trevor Cassidy brings weight loss expertise to Chelsea, NYC. In-person and online sessions available.

Chelsea, NYC residents looking for results-driven personal training for weight loss can train with NASM-certified trainer Trevor Cassidy. Lose fat and keep it off with training and nutrition strategies that actually last. Trevor meets clients at convenient training locations right here in Chelsea, building every program around your body, your goals, and your lifestyle.

Training in Chelsea

Chelsea occupies Manhattan's west side roughly between 14th and 34th Streets, anchored by the High Line elevated park, the Chelsea Market, and the sprawling Chelsea Piers sports complex on the Hudson River. The neighborhood blends a thriving art gallery scene with modern luxury residential towers and classic brownstones. Chelsea Piers alone offers world-class training facilities, making this one of the most fitness-friendly neighborhoods in all of New York. Google's New York headquarters on 8th Avenue and a cluster of tech and media offices have brought a younger professional population to the neighborhood in recent years.

Popular Training Venues

  • Chelsea Piers Fitness
  • The High Line (outdoor circuits)
  • Hudson River Park (Chelsea section)
  • Barry's Chelsea

Chelsea attracts young professionals in tech, media, and fashion along with established residents who have lived in the neighborhood for decades. The area has a strong fitness culture, and many clients here are already gym-experienced and looking for expert guidance to break through plateaus. Chelsea clients skew ages 28 to 45 and often prefer evening sessions between 6 and 8 PM or Saturday mornings after a weekday of office work.

Key Benefits

Fat Loss Without Muscle Loss

Resistance training sends a powerful signal to your body to retain lean tissue during a caloric deficit. You lose fat, not the muscle that keeps your metabolism high and your body looking toned.

Sustainable Habit Change — Not a Diet

Trevor introduces small, sustainable changes that do not feel invasive or disrupt your current life. You learn to build meals around protein targets and whole foods without eliminating food groups or following rigid meal plans. These are skills you keep for life, not rules you abandon after twelve weeks.

Improved Energy and Mood

Clients consistently report sleeping better, feeling more energetic during the workday, and experiencing reduced anxiety within the first few weeks of training. Fat loss is a side effect of a healthier body.

Accountability and Availability That Keep You Consistent

Weekly check-ins, progress photos, and training log reviews ensure you stay on track. Trevor is also available via text and email between sessions — so when a question comes up at the grocery store or a social event, you have real-time support. He identifies stalls early and adjusts your plan before frustration sets in.

Body Composition Changes You Can See and Measure

Using circumference measurements, progress photos, and strength benchmarks, you will have objective proof that your body is changing — even on weeks when the scale does not move.

Our Methodology

Trevor structures weight loss programs around three to four strength training sessions per week, supplemented by low-intensity daily movement like walking. This combination maximizes caloric expenditure without the cortisol spikes and joint stress that come from excessive high-intensity cardio. Training sessions focus on compound lifts and supersets that elevate heart rate while building muscle — delivering both a metabolic and structural stimulus in the same workout.

On the nutrition side, Trevor uses a flexible framework: clients learn to hit daily protein targets (typically 0.8 to 1 gram per pound of bodyweight), build plates around vegetables and whole foods, and manage caloric intake without obsessive tracking. For clients who prefer structure, macro-based approaches are available. The goal is always the same — find the simplest sustainable system that creates a moderate caloric deficit without making you miserable. As NASM-certified trainer Trevor Cassidy puts it: "The best nutrition plan is the one you can actually stick to for six months, not the one that looks perfect on paper." Resistance training is central to this approach because it increases resting metabolic rate by about 7% (Westcott, 2012, Current Sports Medicine Reports), meaning your body burns more calories even at rest.

How It Works

1

Comprehensive Intake & Baseline Measurements

Trevor reviews your medical history, dieting history, food preferences, and lifestyle factors. Baseline measurements — weight, circumferences, progress photos, and initial strength tests — establish your starting point.

2

Training & Nutrition Plan Delivery

You receive a strength-focused training program and a nutrition framework calibrated to your caloric needs, schedule, and food preferences. Trevor explains the reasoning behind every recommendation so you understand the why, not just the what.

3

Weekly Training & Biweekly Check-Ins

You train three to four days per week, either in person across NYC and NJ or through your online program. Every two weeks, Trevor reviews your progress data and makes targeted adjustments to training volume, caloric intake, or both.

4

Plateau Management & Plan Evolution

When fat loss slows — and it will — Trevor has a systematic approach: adjusting cardio, cycling calories, introducing diet breaks, or changing training stimulus. You never stay stuck for long.

5

Maintenance Transition

Reaching your goal weight is only half the job. Trevor guides you through a reverse dieting phase that gradually increases calories back to maintenance, locking in your results without the rebound that follows most diets.

Frequently Asked Questions

How fast will I lose weight with this program?
Expect to lose 0.5 to 1.5 pounds per week, depending on your starting point. This rate is what the <a href="https://www.acsm.org/" target="_blank" rel="noopener noreferrer">ACSM</a> recommends for sustainable fat loss. Trevor Cassidy keeps clients in this range because faster loss typically leads to muscle loss, metabolic slowdown, and a higher chance of rebound weight gain. Combined diet-exercise interventions produce about 20% more total weight loss than diet alone (<a href="https://pubmed.ncbi.nlm.nih.gov/25459996/" target="_blank" rel="noopener noreferrer">Johns et al., 2014</a>), which is why training and nutrition work together in this program.
Do I need to count calories or macros?
No, calorie counting is not required. Trevor offers both tracking-based and habit-based nutrition approaches. Many clients lose weight consistently with a simplified plate method — protein at every meal, vegetables filling half the plate, moderate portions of carbs and fats — without ever logging a meal. The best approach depends on your personality; Trevor helps you pick the method you will stick with long-term.
Why is strength training better than cardio for weight loss?
Strength training preserves muscle during a caloric deficit, which keeps your metabolism from dropping. Resistance training increases resting metabolic rate by about 7% over 10 weeks (<a href="https://pubmed.ncbi.nlm.nih.gov/22777332/" target="_blank" rel="noopener noreferrer">Westcott, 2012, Current Sports Medicine Reports</a>), meaning you burn more calories throughout the day. It also reshapes your body composition so you look leaner at the same scale weight. Cardio has cardiovascular benefits, but relying on it alone often leads to muscle loss and a "skinny fat" result.
Do you train clients at Chelsea Piers?
Yes, Chelsea Piers is one of my top training venues in Manhattan. The 80,000-square-foot fitness center includes a full gym, indoor track, rock climbing wall, and sports courts. If you have a membership there, we can use it as our primary training location for a wide variety of session types.
Can we use the High Line for outdoor training?
The High Line is best for walking consultations and light mobility sessions — its 10-foot-wide paths are too narrow for intense training. For outdoor strength and conditioning in Chelsea, I use the Hudson River Park greenway between Piers 62 and 64, which has open spaces ideal for circuit training and is just a 5-minute walk from most Chelsea addresses.

Client Results

“Trevor is the best in the business. He is incredibly knowledgeable, motivating, and genuinely cares about his clients' progress. Every session is challenging but structured perfectly. I've seen results I never thought possible.”

James S.

Start Weight Loss in Chelsea

Book a free consultation with NASM-certified trainer Trevor Cassidy to discuss your goals and get started with a personalized program.