Leoni Jesner, ACE-CPT

byrdie fitness writer Leoni Jesner headshot

Lives In

Tel Aviv, Israel


  • University of Edinburgh


  • Fitness
  • Functional Training
  • Nutrition
  • Diet
  • Wellness


Leoni is a contributing writer for Byrdie with over a decade of writing experience covering fitness, health, and wellness. Her work has also appeared on sites such as CNET, Livestrong, and Culture Trip. She combines her passion for writing with expert knowledge as an internationally certified personal trainer, mat Pilates instructor, and nutrition coach. 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.

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