Home > Authors

Christiaan Verwijs

Christiaan Verwijs aims to unleash organizational superpowers. He is co-founder of The Liberators, experienced Scrum Master, developer, Professional Scrum Trainer (PST) and Steward of the Professional Scrum Master II course at Scrum.org. He has spoken at Scrum Day Europe (2013-2018), XP Days 2017, and Liberating Structures Global Gathering 2018. Verwijs founded the Dutch Liberating Structures User Group (900+ members) and Liberators Network Meetup (250+ members). He blogs at medium.com/the-liberators and zombiescrum.org.

Johannes Schartau is an Agile Coach, consultant, and facilitator who helps humans fight boredom and mindlessness on all scales, from individual to team to enterprise. He is Founder of the Liberating Structures User Group Hamburg (1,300+ members), as well as organizer and facilitator at numerous Liberating Structures Immersion Workshops. He writes at zombiescrum.org, and co-authored Liberating Strategy: Surprise and Serendipity Put to Work with Liberating Structures co-developer Keith McCandless.

Barry Overeem specializes in liberating organizations from outdated modes of working and learning. He is co-founder of The Liberators, experienced Scrum Master and facilitator, Professional Scrum Trainer (PST) and Steward of the Professional Scrum Master II course at Scrum.org. He has spoken at Scrum Day Europe (2013-2018), XP Days (2014-2018), and Agile/Scrum events in Spain, Ireland, London, Germany, Prague, Turkey, and elsewhere. He writes at medium.com/the-liberators and zombiescrum.org, founded the Dutch Liberating Structures User Group and Liberators Network Meetup, and has run many Liberating Structures Immersion Workshops.