Supported by the following organizations
This is to certify that TANER VITOR SOUZA LELIS 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 January 15, 2026
- Valid Certificate ID bcbc2836d7ae4ccba6815d2778f4800e