Greg Sadler is the Secretary and a Director of Effective Altruism Australia. Greg has over 10 years’ experience in the Australian Public Service, including working for the Department of the Prime Minister and Cabinet, the Department of Home Affairs and the Attorney-General’s Department. Greg has lead teams performing a range of legal advice, policy development and risk assessment functions. His subject matter expertise includes telecommunications, cyber security and critical infrastructure security. Greg holds a BA/LLB(Hons) from ANU and majored in philosophy.