Supported by the following organizations
This is to certify that Celissa Knijnsberg successfully completed and received a passing grade in happy: 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 August 15, 2023
- Valid Certificate ID 1774c83851b64844ac9e3e2dcf7a6ddd