The Training for Longevity Institute

Practical coaching skills beyond certification for personal trainers

Rated 5 stars

★★★★★

Current Programs

Practical coaching programs designed to build your confidence and skills.

One-on-one guidance to bridge theory and real-world coaching

A man and a woman working out in a gym
A man and a woman working out in a gym

Understand muscles and movement to coach with real confidence

Business accelerator for new personal trainers
Course under construction. Join the waitlist so we can contact you the next time we teach this course

a man riding a skateboard down the side of a ramp
a man riding a skateboard down the side of a ramp
Fitness equipment, smartphone, tablet, and payment terminal.
Fitness equipment, smartphone, tablet, and payment terminal.
a woman running in a park with trees in the background
a woman running in a park with trees in the background

Learn how to train adults over 60
Course under development. Join the waitlist so we can contact you the next time we teach this course

Our services

Programs currently in development or opening in the future. Get on the waitlist to be the first to hear when the program will run live.

Upcoming Programs

Programs starting soon and accepting registrations.

Who We Are

The TFL Institute was founded by Dr. Loïse Chevey, PhD, a scientist and fitness educator with over a decade of experience teaching, coaching, and mentoring fitness professionals.

We empower current and aspiring trainers through evidence-based learning, professional development, and real-world application.

a group of people standing in a circle holding hands
a group of people standing in a circle holding hands
a group of people sitting on the ground in a gym
a group of people sitting on the ground in a gym

Our Mission

We bridge the gap between theory and practice, building confident, capable coaches.

FAQs

Who is this for?

Newly certified personal trainers looking to build confidence and gain practical coaching skills.

Fitness professionals who want to deepen their knowledge of exercise science.

Trainers seeking mentorship and guidance as they grow their careers.

Coaches who want to improve their assessments, exercise selection, and client outcomes.

Fitness professionals committed to lifelong learning and professional development.

What makes the TFL institute different?

Science-backed education with practical, real-world application.

Focus on coaching decisions, not memorization.

Small cohorts with personalized support and mentorship.

PhD-level science explained in a coach-friendly way.

Designed to bridge the gap between certification and confident coaching.

How do programs work?

Small cohorts, personalized feedback, and hands-on learning with real clients.

Can I get certified here?

Our focus is mentorship and applied skills, not certification.

Is this for experienced trainers?

Yes, if you want to bridge gaps in coaching confidence and knowledge.

How do I start with my first client?

Our 'From Certified to First Client' program guides you through attracting and onboarding clients.

Contact Us

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blue and black nike athletic shoes

Have questions or want to chat? Reach out — I'm here to help.

Customer reviews

Discover what our clients think about our service

Awesome course! Lots of valuable information and useful strategies to launch my p.t. experience.

Mischa S.

I had the pleasure of learning from Loise this past weekend, and she was truly an exceptional teacher. Her approach was both informative and creative, making complex topics easy to understand. Loise is not only highly knowledgeable but also compassionate and genuinely caring, ensuring that everyone felt supported throughout the session. Her intelligence and dedication to teaching made the experience both enjoyable and enriching. Highly recommend!

Aimee S.

★★★★★
★★★★★
The TFL Institute

Empowering Fitness Professionals to Change Lives Through Movement.

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