Sayer is the founding director of GreenMedInfo, the leading accessible, evidence-based resource supporting natural and integrative modalities. It is one of the top five natural health sites in the world. It is internationally recognized as the largest, most widely referenced health resource of its kind, with over one million unique visitors a month. Sayer is on the steering committee of the Global GMO Free Coalition and an advisory board member of the National Health Federation. He is a Strategic Advisor for Fearless Parent™ and dad of two.