Here are some outstanding videos of former atheists (and a Muslim) who came to Jesus. In these videos they witness who they were prior to their conversion to Christianity.
Jennifer Fulwiler's a former atheist whose done a powerful witness video for Jesus.
Rich does many videos while riding his motorcycle on Los Angeles freeways at 65 mph, very interesting including Bible studies that have over a million views.
An experience in the military peeked this man's interest in Jesus
This is Holly Ordway, PhD, author of Not God's Type
This is an amazing witness testimony by a Muslim
Amazing testimony of a former atheist college professor.