The Microbiome Masterclass

Dave Mayo

The Impact of Circadian Rhythm and Gut Health on the Microbiome

Dave Mayo

Dave Mayo joins us to share about circadian rhythm and gut health and how it impacts the microbiome. Everything from light exposure to when to eat, to when to exercise and everything in between, he really goes in. You will learn:

  • What do circadian rhythms do?
  • Environmental cues and circadian synchronization
  • Circadian rhythms and the autonomic nervous system
  • Tissue specific timing in the gut
  • Cortisol, insulin, melatonin, and blood glucose regulation
  • Circadian priming of gut homeostasis
  • Tips for setting your rhythms to optimize gut health

Dave is a researcher, writer, trainer, and educator on gut health and specializes in circadian rhythm retraining. You can find out more on his site Hack Your Gut.


Dave Mayo

Dave Mayo

Our Guest

Dave Mayo is the founder/creator of the HackYourGut website and well-researched blog. He started his research career at the University of Pennsylvania (clinical research) – but eventually decided to pursue his passion of fitness and being outdoors, as a personal trainer. Over the past 10 years, training has grown into a much more holistic/total health approach with clients – focusing a great deal on digestion and optimizing circadian rhythms (which impact everything else). He’s an avid researcher and prolific creator of science-backed content. Head on over to to visit Dave’s blog, learn more about his Circadian Retraining Program, and the contact Dave directly if you’re interested in working with him.

Michael Roesslein, MS, FDN, HLC

Michael Roesslein

Your Host

Michael Roesslein is a co-founder of Rebel Health Tribe, a certified Functional Diagnostic Nutrition Practitioner, CHEK Holistic Lifestyle Coach and holds a Master’s Degree in Exercise Science & Health Promotion. He has also completed the 2-year training at the Luminous Awareness Institute and Dr. Gabor Mate’s Compassionate Inquiry professional program. Michael has spent the last 12 years as a trainer, coach, educator, and speaker.

You Will Get Clarity On:

These topics and MUCH more will be covered as part of this first-of-its-kind, comprehensive masterclass!!