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

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.

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.

Erin McKown

Education Director

Erin has always had a passion for wellness and education that sparked her interest in becoming a part of the CHEK Institute.  She enjoys spending time with her family outdoors and enjoying the many activities Southern California has to offer.