Lis founded Liquid in a room above her mother's garage. She helped shape Britain's communications landscape through her involvement in the Chartered Institute of Public Relations (CIPR), of which she was national president in 2008.
She served as chairman of the Public Relations and Communications Association (PRCA) PR Council 2011/2012 and is on the board of the PRCA. She is a trustee of the CIPR Benevolent Fund, a trustee of Durrell Wildlife Conservation Trust and a Governor of Bloxham School.
Lis has been a reviewer of regional communications for the Cabinet Office and today is a mentor for the Government Communications Service. She advises on crisis management at board level and provides consultancy across a range of sectors, including education and food.