Siobhan Reddy is a co-founder and studio director of Media Molecule, a video game development studio based in Guildford in the United Kingdom, most famous for their debut title LittleBigPlanet. Born in South Africa, Reddy grew up in Australia and moved to the United Kingdom at the age of 18 to start work as a production assistant at Perfect Entertainment. In 1999 she started to work at Criterion Games, leaving in 2006 to join the newly formed Media Molecule along with Mark Healey, Alex Evans, David Smith and Kareem Ettouney where she took up the role of Executive Producer. She was named Studio Director in September 2009. In 2013 she was named one of the 100 most powerful women in the UK by BBC's Woman's Hour, and Australian Woman of the Year by Qantas.