A clinical researcher and health journalist focused on decoding midlife physiology, hormonal transitions, and sleep science.

I work with men in midlife who look fine on the outside but feel unsettled underneath. Not in crisis. Just aware that something deserves attention.

Jeff is a Co-Founder and Co-CEO of Mammoth Brands, formerly Harry’s Inc. He is passionate about building brands that positively impact people’s lives. In his role, he supports the company’s portfolio of brands in achieving their full potential.