Alexandre Hardy is a Software Engineer at Nimbula and has been employedby the company for the past 3 years. Alexandre is a key contributor to Nimbula Director: the cloud operating system. Alexandre and Omkar Tilak helped develop the infrastructure and support libraries to access the PostgreSQL, MongoDB and Cassandra databases. In the process they has spent a lot of time diagnosing database errors, and producing an automated recovery system which is used today in the Nimbula Director cloud operating system. Before working at Nimbula, Alexandre Hardy was employed at the University of Johannesburg to teach undergraduate and postgraduate computer science students. He has acquired public speaking experience from this position as well as from presentations delivered at academic conferences.