Antoine Colin, also a founder and director of Rapita Systems Ltd. is an expert in worst-case execution time analysis. He has conducted research and development of WCET analysis techniques for complex processors and compiler design for cryptographic processors. Antoine has a PhD from the University of Rennes 1 (France) for his work on microarchitecture modelling for WCET analysis. He is one of the architects of the RapiTime tool and also of the Heptane tool.