This report documents the organization, proceedings and evaluation of the TEACH (Talk About Education across Communities in Helmholtz) conference, held online from 07. to 10. December 2021. The conference was primarily aimed at educators and personnel developers in the Helmholtz Association however its proceedings and findings can likely be applied to a much wider context. The report outlines the tools used to organize the conference, the forms of contributions and gives a summary of the core topics that participants talked about. It further documents how the organizational approach was received by the participants and organizers.