Follows budget injection of $21.6 million.
Up to 6.5 million individuals' information accessed.
Developed inhouse.
Tech giant fights UK government order.
Follows departure of Christoph Strizik.
Podcast: Chief information officer Mark Potter.
Piloted on first-year psychology students.
"One of the most powerful technology executives you've never heard of."
Over a four-year period.
Could be a "massive win" for the employee experience.