Charles Simonyi

In October 2008 he booked for a second trip to the ISS through Space Adventures on board Soyuz TMA-14. His estimated net worth is US$1 billion. " He also stated that talking with the students from the school "made his day.

His estimated net worth is US$1 billion. In March 2009 aboard Soyuz TMA-14 he made a second trip to the International Space Station. He now heads his own company Intentional Software with the aim of developing and marketing his concept of intentional programming.