Thomas Rathsack is a lecturer and former member of the Danish Jaeger Corps.He served with the Royal Life Guards as a sergeant before getting accepted into the Jaeger Corps in 1990.
After retiring from the army he worked as a photographer and IT specialist.
He reenlisted after the September 11 attacks.He writes about his experiences in Iraq and Afghanistan in his book Jæger – i krig med eliten (Jaeger: At War with Denmark's Elite Special Forces), which was widely talked about and criticized.In 2017, he featured in a TV2-produced show which put 30 men through Jaegor Corps-like physical tests.