Here are some key points about his career:
* Early Career: He began his racing career in karting and rose through the ranks of junior single-seater series.
* Formula 1 Debut: Ratzenboeck made his Formula 1 debut in 1999 with Minardi, driving for a total of 10 races.
* Test and Development Driver: After his stint with Minardi, he primarily focused on test and development roles for teams like Red Bull and Toro Rosso.
* Notable Achievements: He holds the record for the fastest lap at the 2003 Italian Grand Prix, achieved during a Friday practice session.
* Retirement: He retired from professional racing in 2007.
Derek Ratzenboeck is not as widely known as some other F1 drivers, but he played an important role in the development of several teams.