Martha is founder and executive chair of Doteveryone.org.uk, a charity fighting for a fairer internet.
In April 2016 she was appointed as a non executive director of Twitter.
Martha became a crossbench peer in the UK House of Lords in March 2013.
In March 2014 she was appointed Chancellor of the Open University.
Martha co- founded and chairs LuckyVoice, revolutionising the karaoke industry.
She is a non executive director of the Baileys Women’s Prize for Fiction, the Creative industries federation, the Scale Up Institute and the Open Data Institute.
Martha is a Patron of AbilityNet, Reprieve, Camfed and Just for Kids Law.
In 2013 Martha was awarded a CBE.
In 1998. Martha co-founded Europe’s largest travel and leisure website, lastminute.com with Brent Hoberman. They took it public in 2000 and sold it in 2005.