Holacracy is a management method that stresses decentralization. Instead of managers making decision as in a typical management structure, self-organizing teams make decisions in a holacracy. Zappos has been the face of the holacracy management method for years, but they are beginning to return to a more traditional management method.
See "Zappos Moving Away from Holacracy Management Method ", Aimee Groth, Quartz at Work, February 3, 2020