Jelle van Wieringen is managing partner of Agile Athletes GmbH, a consulting firm specializing in training and coaching in medium-sized and large companies in Europe. Jelle started working as an agile coach when the topic was not as widespread as it is today. Clients appreciate his historical knowledge in the field of swarm intelligence and all aspects of self-organized IT teams. References since 1999: Aeiforia GmbH, Montabauer (D) mid size Finanzinformatik der Sparkassen, Frankfurt, Kassel (D) 50k+ employees BASF Business Services GmbH, Ludwigshafen (D) 50k+ employees Atruvia AG, Karlsruhe (D) 50k+ employees ITSG GmbH, Berlin (D), mid size MVV Energie AG, Mannheim (D), mid size Lufthansa Technik, FRA Airport (D), 50k+ employees Luminis BV, Apeldoorn (NL), mid size LBBW Financial Markets, Stuttgart (D), 50k+ employees zetVisions AG, Heidelberg (D), mid size The Human Network, Utrecht (NL), mid size Meet Surface, Heidelberg (D), sme Booc GmbH, Stuttgart (D), sme GDL NV 's-Graveland / Amsterdam (NL), mid size Equens SE NV / Transaktionsinstitut AG Utrecht (D/NL), 50k+ employees Haynes Pro BV, Soest (NL), sme Allshare Banking Solutions BV, Hooddorp (NL), mid size DHL Deutsche Post AG, Darmstadt (D), 50k+ employees Deutsche Post AG, Darmstadt (D), mid size Home Shopping Europe, Munich (D), mid size Allianz / Dresdner Bank, Frankfurt am Main (D), 50k+ employees Dresdner Kleinwort Wasserstein, Frankfur am Main (D), 50k+ employees Heidelberger Druckmaschinen AG, Heidelberg (D), mid size Commerzbank Zentrale EDV Abteilung, Frankfurt am Main (D), 50k+ employees