She began her career in 1997 as a freelance journalist and translator. In 2000 she became a Market Analyst at Argus Media. From 2002 to 2004 she worked at Confédération Internationale des Sociétés d'Auteurs et Compositeurs as a Director of Communications.
In 2006, Powell joined Google as a Head of EMEA Product and Engineering PR. Later, she also had positions of Director of Communications and Public Affairs and VP of Communications. From 2011 to 2012, she worked as a Chief marketing officer at Badoo.