Tero Isokauppila is the fungi slinging sage behind Four Sigmatic, a rapidly-growing purveyor of medicinal mushroom elixirs.
Tero comes from a lineage of mushroom farming and is an expert on all things related to fungi and natural health.
He's also the author of two books: Healing Mushrooms: A Practical and Culinary Guide to Using Adaptogenic Mushrooms for Whole Body Health and Santa Sold Shrooms, the untold story of Saint Nicholas.
