Personal training tailored to your body’s individual needs


At DAC Personal Training, we analyze our client’s natural movement patterns in order to tailor programming specific to their needs. We have created a system that applies the best practices from the world of physical therapy and the muscle building concepts of personal training to address pain from current or past injuries, muscle imbalances, or postural deficiencies. Our objective is to strengthen our clients while also correcting the underlying issues. Not only do we help you achieve your personal goals, but we empower you to live your life to its fullest, pain-free potential.

What makes us different


Our approach to training is based around each client’s natural movement patterns. Fitness should never be a one-size-fits-all method, because we all have very unique and personal circumstances affecting our lives (i.e. posture, current/past injuries, day-to-day activities, age, health conditions, etc.)


By using a clinical approach, we’ve developed a system to address postural deficiencies and musculoskeletal imbalances that focuses on the body’s strength, mobility and muscle synergy. We believe that building strength and power should never come at the cost of injury.


With our guidance, you can have confidence in knowing that you’re taking the proper steps in fixing any persistent issues that have gotten brushed aside over the years. We’re confident that you’ll find yourself exceeding all of your expectations,  and that you’ve become a stronger, healthier, more empowered version of yourself.


  • I have been working with Josh and Derek for 6 months now and have been working with Josh for over a year previously at another gym. From my first preliminary session, Josh was able to figure out my strength and weaknesses and able to build a plan to turn my weaknesses into strengths. Josh provided me a list of stretches and exercises to do at home or on the go given my crazy work schedule. There have been some instances where due to scheduling I couldn’t meet with josh and instead worked out with Derek. I didn’t see any difference in their attention to detail and building a challenging yet rewarding workout. I personally started to see results after our 3rd workout together. The DAC Team have created an awesome and fun place that proves hard work and dedication can lead to better stronger life. The DAC team is very knowledgeable and is committed to research better ways to train and help you reach your goals.

    Brandon Lieff
  • Since, graduating in healthcare after many years of medical problems. It is my duty to be in better physical shape, not only for professional reasons but for personal reasons.The staff involvement at DAC, is of the highest caliber. I can say with certainty after having a week off, I cannot afford to NOT workout. Say Yes!

    Angela Belli-Infante
  • Derek and Lindsay are whipping me into shape! Not only am I much stronger than I was a few months ago, I'm also becoming more confident in business and day to day decision making.

    Kris Tonski
  • You won't find a nicer and more knowledgeable group of people than this group here. They will listen to you and construct a plan that works for you, no cookie-cutter solutions here. Not only will you get an amazing workout, but they will make sure you are doing every movement perfectly, keep you safe, and you will have a great time doing it.

    Mike Haggerty
  • My experience at DAC has been life-changing. I have always had terrible knee pain, and thought (and was told) that I would never be able to resolve those issues without eventual surgical intervention. Derek and his team analyzed the weaknesses and imbalances in my muscles, and my knees feel amazing! Not only am I getting stronger physically, but I love the nutritional, muscular, and skeletal knowledge I receive each time I attend a training session. Derek is not only a trainer, but a gifted and talented teacher. For the first time in all my experiences in nutrition and fitness, I feel like I understand what my body needs, instead of relying upon somebody to tell me what to do. That in and of itself feels incrediblyempowering. I highly recommend DAC, because of the personal approach Derek and his team take for each client. Whether you have a history of pain or injury (like me) or are simply waiting to build your physical strength, the trainers at DAC will take the time to learn YOUR specific needs to better YOU; instead of providing a "one size fits all" approach.

    Lily Schurra
  • Derek Marsette is a true artist when it comes to training! The training experience he offers is the most hands-on professional training I have ever encountered. One session and you will be hooked! #teamDAC

    Samantha Lacks Angelini
  • If you are in the New Haven area and looking for a spectacular trainer/coach/nutrition guidance, please reach out to Derek and the team at District Athletic Club Personal Training! They are AMAZING!It's not everyday you meet someone who changes your perspective and your life... Thank you, Derek, for all you've done to inspire me to be better, but most importantly for being you! The purpose and passion you pour into your clients and career is awe-inspiring! I'm incredibly fortunate to have you in my life and I am looking forward to continuing this journey!

    Amanda Hernandez
  • I just wanted to take a second to sing the praises of a personal trainer that I have been working with named Derek Marsette.  He is based here in East Rock and he is truly excellent.  I go to him once a week and he stretches me out and helps me work on my mobility, flexibility, and core strength.  I have been to dozens of people like this over the years, dating back to my time as a rower in college, and I can honestly say that Derek is the very best.  He is very knowledgable.  He has helped me immensely with my mobility and thus, I believe, made me less likely to be injured.  I walk out of his place feeling younger -- at least by a few years.

    Jake Halpern

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Referral Program

For every SIX friends or family members you refer within a 12-month period, receive 6 months of personal training for free.

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