Marek Kowalski received a course certificate from Coursera for successfully completing the online non-credit course "Modeling Risk and Realities" authorized by the University of Pennsylvania and offered through Coursera. The certificate was issued on December 26, 2019 and was signed by the course professors from the Wharton School to verify Marek Kowalski's identity and participation in the online course. However, the certificate does not confer a grade, credit, degree or verify enrollment from the University of Pennsylvania.