Stefan's feedback for the Webmaker team has been incredibly constructive and challenging. Having folks like Stefan in the community makes the whole project stronger!
Stefan teaches the web regularly and participates in our community of educators and activists. I appreciate his honest and constructive feedback and can-do spirit!
Among other contributions, Stefan's Creating for the Modern Web teaching kit was featured on Mozilla's webmaker blog. He teaches and assists users of Mozilla projects in a variety of online forums, both public and private.