Mark Ryan is Professor of Computer Security and leads the Security and Privacy group in Birmingham, where he also holds the HP Research Chair in Cyber Security. From 2010 to 2015, he was EPSRC Leadership Fellow, also at Birmingham. His recent work includes analysis and development of hardware security anchors (e.g., TPM, SGX); analysis and development of security protocols (e.g., in messaging, voting, authentication); and development of systems that address the tension between security and privacy.