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About The Longevity Collective

Anti-Aging, Longevity, and Wellness in Fairfax, CA

We want to share our knowledge and experience with you.

The Longevity Collective is where wellness meets innovation, empowering adults across Marin County to live vibrantly and age with confidence. Nestled in the heart of Fairfax, California, our practice isn’t just a clinic—it supports your lifestyle. Each treatment is here to revive, destress and reenergize your body and mind.

We have state-of-the-art treatments grounded in science yet driven by our belief that age is just a number. The Longevity Collective team offers a dynamic suite of services: red light therapy, acoustic soundwave therapy, cranial therapy, peptide therapy, concierge medicine and pulsed electromagnetic field (PEMF) therapy. With the effectiveness of our cold plunge tubs followed by an infrared sauna, every visit is an experience of self-renewal tailored to your wellness needs. 

Sessions here aren’t just an appointment. We offer new anti-aging and wellness experiences and we won't rush you out. We want to support your wellness goals. Our team will listen to your needs and recommend a plan that is right for you. Whether it’s alleviating pain, restoring energy, rejuvinating your skin, or talking with Dr. David Baldini, every recommendation is designed with one goal: to unlock the energy and vitality of every person who walks through our doors.

Start your journey with The Longevity Collective today—where each of our unique treatments brings you closer to your health goals. Call the office or request a consultation online today. 

We are early adopters of the modalities we use which are all based in science.
We come from:  Healthcare, Sports, Personal Training, Kinesiology, and Life Coaching. 
We Practice What We Preach.
Joseph Dimmer
Founder & CEO
Joe Drimmer

Joe Drimmer is the founder and CEO of The Longevity Collective (TLC), a full-service wellness practice specializing in anti-aging, located in Fairfax, California. 

Joe has been in the wellness and fitness industry for over 10 years and has a deep passion for innovative health practices and helping people live their best lives. An entrepreneur to the core, Joe has brought his vision to life with the creation of The Longevity Collective. His goal is to bring the best anti-aging, pro-health, and longevity treatments to Marin. Through his work, he develops long-lasting relationships with his clients, who, in turn, develop their own passion for their personal well-being. Joe believes in science-based treatments, integrative health, and lots of TLC.

Joe is a California native who lives in Marin with his wife, an educational psychologist, and their dog, Mousse. 

To schedule an appointment with Joe, call The Longevity Collective or request one online today. 

David Baldini, MD
Head Physician, Concierge Medicine, Peptide Clinic
David Baldini, MD
Dr. David’s career spans four decades as an Emergency Room physician and trained in Internal Medicine, Sports Medicine, Pediatrics, and Orthopedics. David has treated more than 10,000 patients of all ages with critical and urgent needs. David is known for his ability to think critically and quickly and has an uncanny ability to identify the underlying cause of a patients’ issue, that could otherwise be missed, or taken longer to diagnose. His compassion, ability to see what others may not see, and his deep experience sets him apart from others. And, laughter is his favorite medicine.

When not in the ER, Dr. David is playing baseball, hiking, in the gym or cooking for friends and family. He is dedicated to creating health regiments both for himself and others, so we can all feel strong, balanced and happy and live our best lives.

He developed a deep interest in Peptide Therapy because there are hundreds of peptides that can fundamentally change how we feel as we age. He is dedicated to building a community that wants to think about aging and health in a new way.

Call us to book a complimentary chat with Dr. David.
Jim Slezak
Cranial Therapist & Integrative Health Expert
Jim Slezak
As a Functional Movement specialist, holistic healthcare practitioner and strength and fitness coach, Jim has consolidated his passion for athletic performance and overall health with an education in many modalities often overlooked in a traditional medical practice. His training and experience in neurological muscle reactivation, myofascial techniques, cranial therapy, Kinesilogy, and the Asian healing arts, make Jim truly a one-of-a-kind practitioner. 

Recognized as an innovator in strength and fitness training and of corrective strategies, Jim is respected for embodying the foundational principles of Performance Nutrition and Core Fitness that he teaches his clients and athletes. A regime of daily Cross Fit, Cycling, resistance and Kettlebell training keep his personal fitness and professional skills honed and current.

Call us to book a consultation with Jim.
Marcy Moriconi
Chief of Marketing & Leadership Coach
Marcy Moriconi
Marcy is a brand marketer, author and leadership coach focused on building the TLC community. Her passion is bringing like-minded people together to share their knowledge and experience in health and wellness, aging, parenting, and life/career issues. Her plethora of experience in building businesses while raising kids, living a multi-cultural life in Italy, a mid-life career change, and her love of connecting people has led her to TLC.

Prior to joining TLC Marcy led brand marketing and creative teams for retail companies in the U.S. and Italy. Marcy is a natural leader/mentor/coach and loves meeting new people and learning about their life and goals.

Come meet Marcy and book a complimentary coaching session.
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What we believe.
Feeling healthy and happy is not an empty promise.
The battle against aging does not have to be a battle.
Workouts don’t have to leave you in pain.
Skin can be more radiant and elastic without breaking the bank.
You can have a strong immune system.
Hot and cold can change your life.
Weight loss doesn’t have to mean more dieting.
Date night in a cold plunge can lead to eternal happiness.
Sexual health is not just for the young.
Please reach out.
Email hello@tlcmarin.com with any questions. We strive to return emails within 48 hours.
For urgent questions or to speak to a human call or text 415.300.5268