John Espey

John Espey serves as the Chief Growth Officer at Macedon Technologies since August 2025, overseeing sales, marketing, strategy, and business development. Previously, John co-founded and held the position of CEO at Defiance Ventures and Defiance Digital from March 2020 to August 2025. John's extensive experience includes roles such as Strategic Advisor at Nexgrid, COO and Co-Founder at Levvel.io, and Managing Director/Co-Founder responsible for application development and related services for Fortune 100 and emerging companies. Other notable positions include Board Advisor and CEO at Lobby CRE, Strategic Advisor at Stratifyd, and CEO & Co-Founder of Reward Summit. John also served as General Manager at CLD Partners and held executive roles at Amentra. Education includes an MBA in Finance from Duke University's Fuqua School of Business and a BS in Decision Sciences/MIS from George Mason University.