The dabbawala system is a unique self-managed work team that efficiently delivers home-cooked lunches from workers' homes to their offices in Mumbai. They have developed an effective decentralized structure with flat hierarchies and self-managed work groups. Training is done through an extensive on-the-job probationary period. Accountability and coordination between team members allows for high performance through collective effort. Cultural similarities and referrals from existing members contribute to cohesion and low employee turnover in this unique lunch delivery network.