Courage News: MBS Expert Johannes Ritz in a Radio Interview in Latin America June 22, 2015 MBS reseach assistant and family business expert Johannes Ritz live on Radio Publica in Ecuador. EcuadorFamily BusinessFamily Firms
Courage Contribution: Leading Family Businesses in Complex Times – Ten Lessons From Military Strategies Prof. Dr. Marc-Michael Bergfeld, Rafael de Cárdenas López, MBA (MIT) October 5, 2016
Courage News: Outlook and Guiding Questions for Recovery of Family Businesses published Prof. Dr. Marc-Michael Bergfeld, Alexander F. Bergfeld, Johannes Ritz June 18, 2020
