International Test Process Advanced (ITPA) (01-23-21)
International Product Owner Foundation (05-21-20)
International Scrum Master Foundation (Scrum Guideline 2020) (05-21-20)
International Test Process Advanced (ITPA) (11-15-18)
International Product Owner Foundation (09-19-18)
International Scrum Master Foundation (Scrum Guideline 2020) (09-17-18)