Supported by the following organizations
This is to certify that Zuzanna Kruk successfully completed and received a passing grade in LEAD1x: Exercising Leadership: Foundational Principles a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Ronald Heifetz, M.D.
Founder, Center for Public Leadership King Hussein Bin Talal Senior Lecturer in Public Leadership Kennedy School of Government, Harvard University
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- Verified Certificate Issued August 12, 2026
- Valid Certificate ID 97ea414c915c43b0a8576e41bd1eeaef