LEAD (Long-term Enhanced ACO Design) is one of the most ambitious ACO models CMS has ever put into production —a 10-year commitment with a fixed baseline, capitation at the core, and a benchmarking structure that rewards organizations who get the details right from the start. The decisions ACOs are making right now around TIN composition and risk track selection will set them up for long-term success in the model. What follows are the strategic dimensions I think deserve more attention than they’re currently getting.