Leoni Jesner

Fitness Writer


Fitness, Pilates, and nutrition


University of Edinburgh


Leoni is a contributing fitness, health, and lifestyle writer for publications including Byrdie, CNET and Livestrong. She combines her passion for writing with expert knowledge as an internationally certified personal trainer, mat Pilates instructor, and nutrition coach.

The advice I give all my clients is to move your body in ways that work for you. Remember, fitness and health is a lifestyle and so we should workout, eat well, get a good night's sleep, and enjoy that piece of cake!

— Leoni Jesner


Leoni works with a wide range of clients in the studio and one-on-one. She is dedicated to helping others achieve a healthy lifestyle with a focus on the mind and body. Leoni aims to help clients figure out a regular fitness routine and a well-rounded approach to nutrition.


Leoni graduated with an MA in business studies from the University of Edinburgh and is an ACE Fitness personal trainer and Train Fitness Mat Pilates instructor.

Verywell Fit Editorial Process

Verywell Fit is an award-winning online resource that empowers you to reach your diet and fitness goals. We take a human approach to health and wellness content and reach more than 120 million readers annually.

Our editorial team includes writers, editors, and fact checkers who make sure our information is clear, accurate, and aligned with our core values so you can make confident choices for your life.

Our writers are notable voices in their respective disciplines, including registered dietitians, certified personal trainers, fitness coaches, board-certified physicians, and health journalists. These individuals are specifically selected for their extensive knowledge and real-world experience, as well as their ability to communicate complex information in a clear, helpful, and unbiased way.

Our team of qualified and experienced fact checkers provide a critical step in our commitment to content integrity. Fact checkers rigorously review articles for accuracy, relevance, and timeliness. We use only the most current and reputable primary references, including peer-reviewed medical journals, government organizations, academic institutions, and advocacy associations.

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