Congratulations Stephen!
On Wednesday May 15, Stephen Ridella defended his doctorial thesis successfully and got his doctorial degree.
Stephan is an industry PhD student from NHTSA, USA and he defended his PhD thesis "The contribution of vehicle, occupant and crash factors to the risk of injury as a result of vehicle rollover - New approaches to data and modeling".
SAFER wishes him good luck in the future as a SAFER doctor!

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