Mark Cox is an accomplished Chief Operating Officer currently at Kingfield Corporation and has been self-employed as a board member, advisor, and consultant since 2022. Previously, they spent nearly a decade at BlackRock, where they served as a Managing Director responsible for Global Collateral Management & Payments and US Investment Operations. Before joining BlackRock in 2013, Cox enjoyed a 16-year career at the CME Group, advancing in roles related to clearing and trading business system design, operations, and risk management.