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Waldemar Lange
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Professional Agile Leadership™ I (PAL I)
Scrum.org
Professional Scrum Developer™ I (PSD I)
Scrum.org
Professional Scrum Master™ I (PSM I)
Scrum.org
Professional Scrum Product Owner™ I (PSPO I)
Scrum.org
Professional Scrum Master™ II (PSM II)
Scrum.org
Scaled Professional Scrum™ (SPS)
Scrum.org
Project Management Professional (PMP)®
Project Management Institute