• How (and why) did you get involved in research in aging and the human microbiome?
• How did you get started in health optimization /  quantified-self?
• What are your thoughts on biological age testing? Which tests (epigenetic, blood biomarkers, telomere, etc) and specific services do you believe to be most useful?
• What else is in your biohacking stack? (Nutrition / diet, fasting, wearables or other products, fitness routines, supplements, drugs, services, lifestyle practices, sleep, mental)

And much more!