Supported by the following organizations
This is to certify that Mariana Velasco Calas successfully completed and received a passing grade in Happiness: Managing Happiness a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
Arthur Brooks
William Henry Bloomberg Professor of the Practice of Public Leadership at Harvard Kennedy School and Professor of Management Practice at Harvard Business School Harvard University
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- Verified Certificate Issued September 16, 2025
- Valid Certificate ID 7a17f7fd364b4cb3af677fed1ac537d9
- Effort 18 hours