Joe Crosby

Executive Director

Joe first participated in COSC during his 11 year tenure with the Council On State Taxation (COST), which itself was founded by COSC in 1969. Joe served COST as chief operating officer & senior director, policy. In addition to his operational responsibilities, Joe managed all aspects of COST's advocacy program and regularly testified before state legislatures and other state and national policy-making bodies. Joe is a nationally recognized expert on state and local business tax policy. In 2011, he was identified by State Tax Notes as the “single most influential person in state taxation” and named as the publication’s inaugural Person of the Year. 
Prior to his work with COST, Joe was national director of state legislative services for Ernst & Young LLP, where he provided legislative monitoring, advocacy management and coalition development services. Earlier in his career, Joe spent four years as a senior executive with a state legislative tracking firm. Joe is past president of the State Government Affairs Council, the premier national association for multistate government affairs executives, and served on the board of directors of the Washington Area State Relations Group, another association of government relations professionals.  

Joe earned his bachelor's degree in history from Loyola Marymount University in Los Angeles and completed graduate course work in economic policy at American University in Washington. He is a principal at MultiState Associates.