Stefan, based near Hamburg, Germany, has worked for 18-plus years as a Product Manager, Product Owner, Agile Coach, and Scrum Master. He is a Professional Scrum Trainer (PST) with Scrum.org and the author of Pearson’s “Scrum Anti-Patterns Guide.” He has developed B2C as well as B2B software, for startups as well as corporations, including a former Google subsidiary. Stefan curates the ‘Food for Agile Thought’ newsletter and organizes the Hands-on Agile Conference, a Barcamp for agile practitioners.