Johannes LinkCertify Johannes Link

• login: jlink
• address:

  Heidelberg, Germany

Certifications Received

Stefan Roock certifies that Johannes Link is, at a minimum, qualified to teach others the skill Test Driven Development, based on this evidence:

Johannes did several successful TDD workshops/tutorials at popular conferences like JAX.

Additionally Johannes has written a successful book about unit testing and TDD.

Jens Coldewey certifies that Johannes Link is, at a minimum, qualified to teach others the skill TDD, XP and Agile Practices and setup of Acceptance Tests, based on this evidence:

I have worked with Johannes over a 15 month period in a consulting project with a client where he used all the above skills successfully. Above that he's a great person to work with and talk to.

Certifications Given

Johannes Link certifies that Stefan Roock is, at a minimum, qualified to teach others the skill of Agile Development, based on this evidence:

I have seen him give worthwhile talks and good classes about Agile Development and Extreme Programming. Moreover he is coauthor of a popular book on the topic.

Johannes Link certifies that Jens Coldewey is, at a minimum, qualified to teach others the skill agile software development, based on this evidence:

I have worked with him for 15 months in a very difficult environment where he taught people succesfully many agile practices, among which were: planning, test-driven development and restrospectives. I've learned a lot from him personally.

Johannes Link certifies that Henning Wolf is, at a minimum, qualified to use the skill of facilitating a retrospective, based on this evidence:

I have seen Henning facilitate and moderate a 1-1/2-day retrospective with a 40-people-team. He succeeded to elicit important points and to make participiants collaborate on the crucial topics.