Mike Senkowski is a North American soccer agent and founder of Upper 90 Sports Group, a boutique agency focused on elite soccer talent. He previously helped build Octagon’s North American soccer practice after serving as staff counsel for the MLS Players Union, giving him a strong background in player rights, collective bargaining, contract negotiation, and career strategy. Senkowski has represented prominent men’s and women’s players, including Tajon Buchanan and Trinity Rodman, and is known for guiding North American talent through major club contracts, European transfers, and domestic negotiations.