Dan Kjeldstrøm Hansen successfully completed the online non-credit course "Introduction to Big Data" offered through Coursera and authorized by University of California, San Diego. The course was completed in September 2015 and the certificate was issued on November 02, 2015, with signatures from Ilkay Altintas, Chief Data Science Officer at San Diego Supercomputer Center, and Amarnath Gupta, a Research Scientist at San Diego Supercomputer Center, to verify the completion.