Nicholas Mammano
Government Relations • Political Consulting • Public Affairs Campaign Management
Managing Director
Nicholas Mammano is a highly regarded external affairs strategist who advises clients on complex government, political, and regulatory issues.
Nick brings extensive experience in New Jersey government and public affairs, advising clients and managing projects in government relations, real estate development, as well as sports and entertainment. Prior to rejoining Mercury, he served as President and CEO of the New Jersey Sports and Exposition Authority (NJSEA) under former Governor Phil Murphy and most recently as Senior Advisor during the start of Governor Sherrill’s administration.
As the youngest CEO in the NJSEA’s history, Nick managed more than 300 public employees at the authority, oversaw regional planning in the 30-square-mile Meadowlands District and operational support for the Meadowlands Sports Complex. He led NJSEA's planning for the 2026 FIFA World Cup, including significant infrastructure improvements, and helped position New Jersey as global events leader. He also previously served as Chief of Staff under President and CEO Paul Juliano as NJSEA supported successful efforts to secure the 2026 World Cup Final match.
Earlier in his career, Nick served as Chief of Staff to Senate Commerce Committee Chairman Joseph Lagana throughout Lagana’s tenure in the General Assembly and first four years in the State Senate. In that role, Nick helped guide legislation to regulate rideshare apps, enhance the prescription monitoring program, and reform school bus safety. He also oversaw political operations in one of the state’s most competitive districts.
Nick has advised many campaigns and candidates for local and statewide office. After serving as Deputy Director of the Bergen Democrats in 2012, he helped run their voter contact program for years to come. Nick has been recognized for his influence by outlets including New Jersey Globe, InsiderNJ, and ROI-NJ. He earned a B.A. in Political Science and Economics from Rutgers University and lives in New Jersey with his wife Danielle and their daughters.
As the youngest CEO in the NJSEA’s history, Nick managed more than 300 public employees at the authority, oversaw regional planning in the 30-square-mile Meadowlands District and operational support for the Meadowlands Sports Complex. He led NJSEA's planning for the 2026 FIFA World Cup, including significant infrastructure improvements, and helped position New Jersey as global events leader. He also previously served as Chief of Staff under President and CEO Paul Juliano as NJSEA supported successful efforts to secure the 2026 World Cup Final match.
Earlier in his career, Nick served as Chief of Staff to Senate Commerce Committee Chairman Joseph Lagana throughout Lagana’s tenure in the General Assembly and first four years in the State Senate. In that role, Nick helped guide legislation to regulate rideshare apps, enhance the prescription monitoring program, and reform school bus safety. He also oversaw political operations in one of the state’s most competitive districts.
Nick has advised many campaigns and candidates for local and statewide office. After serving as Deputy Director of the Bergen Democrats in 2012, he helped run their voter contact program for years to come. Nick has been recognized for his influence by outlets including New Jersey Globe, InsiderNJ, and ROI-NJ. He earned a B.A. in Political Science and Economics from Rutgers University and lives in New Jersey with his wife Danielle and their daughters.
