Gavin Jennings [CHEK Practitioner Level 3, HLC Level 3, CMTA Level 1]

Chief Executive Officer

Gavin started in the health and fitness industry in 2000, after running a number of successful businesses and has been a business owner for more than 22 years. He has, therefore, a vast knowledge of running small businesses and, as a CHEK Practitioner himself, has built a very successful CHEK Clinic in Lancashire, UK, where he employs a 10 strong team of doctors, CHEK Practitioners and therapists. Gavin was also behind the creation and development of the now hugely popular CHEK Academy.

Penthea Crozier [MA, MSc, MBA]


Penthea combines an academic background in biological anthropology, exercise and sports science, and business administration together with eighteen years of experience in the fitness profession as an instructor, personal trainer, gym manager, and international presenter.  She loves dance, outdoor activities and multisports.

Matthew Wallden [MS (Osteopathic Medicine), CHEK Practitioner Level 4, CHEK Golf Performance Specialist, CHEK Holistic Lifestyle Coach Level 3]

Global Head of Education Development

Matt’s overarching passion is to help people realise their potential. Matt’s unique angle is to utilise a wide variety of modern clinical skills combined with evolutionary principles to achieve optimal health & performance. He has a broad yet refined skill-set; employing cutting edge technologies integrated with ancient healing traditions to offer a complete system of health. Matt is qualified as a healthcare practitioner, a sports injuries & performance specialist, a teacher, presenter and an author. He lives in Surrey, UK with his wife, 2 children and small menagerie of pets.

Galyn Bradshaw

Director of Student Services

Galyn joined the Institute in 2016 after thirteen years in the legal field as a Paralegal.  She brings her extensive office knowledge, attention to detail, and honed interpersonal skills to a company she truly values.  Galyn loves music and dance, traveling the world with her husband, and spoiling their two fur kids, Bula and Lomani.

Leah Christian

Finance and Accounting

Lisa Green

Education Manager

Lisa joined the Institute after working for several years in the Health and Fitness Industry.  Her past experiences, attention to detail, and passion for helping others are strong benefits to the company.  Lisa’s interests are traveling and visiting new countries, spending time with her fiancé, family and friends, and going on long walks with her black Labrador, Bruce.

Vinny Haddad

CHEK Academy Coordinator

Through his training and tenure with the CHEK Institute, Vinny strives to help individuals with the knowledge and experience he gains, both as a Student and as an Employee.  While tending bar in high-caliber cocktail lounges and restaurants, Vinny gradually realized the massive need for health and wellness among the workers in the industry, and the world at large.  He decided that it was vital to dedicate his time and efforts to the CHEK Academy.  Becoming a Master CHEK Practitioner and an HLC instructor have now become his primary ambitions.

Originally from Chicago, IL, Vinny spent a good portion of his 20’s teaching History & Phonetics in Vietnam and working on organic farms in New Zealand.  His interests include mixed martial arts and all forms of music. 

Natalie Peterson

Director of Customer Services

Natalie is originally from San Luis Obispo, California, but grew up here in San Diego.  After college, she returned to the Central Coast to help run her family business in the Communications Industry for the next decade.  She eventually found her way back to San Diego for a career change and opportunity in the Title and Escrow Industry.  Natalie was introduced to the CHEK Institute in 2009 and she jumped at the opportunity to join the CHEK Institute team, as she has always had an interest and desire to focus on helping others in healing.

James Phelps

Director of Marketing & Social Media

Recovering philosopher, aspiring evolutionary biologist and running addict, James draws on a diverse background to head the Marketing Department at the CHEK Institute. Beyond helping the Institute to transform the world’s approach to health and wellness, James plans to complete the Western States 100, finally complete that novel collecting cobwebs on his hard drive, and spend time exploring all of the continents on the planet.

Sarah Reid

CHEK Europe Customer Service

Sarah joined CHEK at the start of 2020.  After spending six years in the property industry, she decided to pursue her other passion, which lies in health and fitness. Her passion for the industry, along with excellent customer service skills, makes for a healthy fit.  Sarah loves her horses, fitness, and travel.