Prior to co-founding Sitos Group, Mayo served as General Manager of North State Hulling Cooperative, in Hamilton City CA, a non-profit almond processing cooperative. In 2017, leading the cooperative in the construction of a new $30M hulling facility, he began his journey into the world of biochar. Prior to North State, Mayo was General Manager at California Olive Ranch in Chico, California. Mayo and his wife Robyn moved to Chico from Fresno, CA where he served as the Water Resources Manager for Wonderful Orchards. Mayo has a deep background in agriculture, having farmed pistachios, wine grapes and cotton, and held several leadership positions with large agribusiness firms. Mayo has spent the last seven years gaining expertise in biochar and Carbon Removal and consults on Regenerative Agriculture practices. He holds BS in Political Science and MBA Agribusiness degrees from Santa Clara University, is a California Ag Leadership graduate, and is an Accredited Farm Manager.