Lewis was born Catriona Margaret Pettigrew on 23 March 1965 in Rajkot, India. Her family returned to live in England when she was 3-years-old and her school years were spent in Stockton-on-Tees, where she attended Ian Ramsay C. of E. School and Stockton Sixth Form. Her father is mountaineer Bob Pettigrew and her mother, Deana Addison was Head of Religious Education at The Norton School in Stockton-on-Tees. They separated when they returned from India. Her mother married Lewis's step-father Terence Michael Addison, who worked as an engineer and consultant to the steel industry. Lewis' great grandfather Guy Pettigrew was a music hall performer who began making films during the era of silent movies in 1919.
Early career
Lewis co-presented a children's radio programme called Hubble Bubble on Radio Tees from the age of 15 to 18. In 1981 she presented the first Sunday morning children's programme called Sunday Sundae, which has been archived by the British Film Institute. In 1983, Lewis enrolled at Bristol University to read English & Drama. After graduating in 1986 she spent a year shooting and editing educational films before completing a Post Grad Diploma in Broadcast Journalism at the University of Central Lancashire. In 1988 Lewis won a place as a BBC Production Trainee, based in the North West. After working on a range of BBC productions as a Researcher, she moved across to Granada as an Assistant Producer and was promoted to Series Producer at the age of 26. She went on to work on a range of factual programmes for Granada Television including This Morning, World in Action and the first property makeover series – House Style. In 1995 Lewis went back on screen as a reporter for a programme about the internet presented by Tony Wilson and then she worked for three years as a BBC news reporter for North West Tonight. In the 1990s she also set up Granada Television's programme related websites. She organised the first live internet vote on TV in 1998 on the Stars in Their Eyes’ final. In 1998, Lewis began working as a documentary Producer/Director for Granada Television making films for Sky One, ITV, Channel 4 and Channel 5. In 1999 she won her first two TV commissions for Channel Five and Channel 4. In 2001 Lewis left Granada Television to set up the factual division of Unique Television. By 2006, she had created six new TV series plus a large number of one off films, building Unique Factuals annual turnover to £1.8 million.
Current career
On 3 September 2007, Lewis launched the Manchester-based independent production company, Nine Lives Media. She is the owner, CEO and executive producer of the company, which has become a large factual independent producer in the North West of England. Her husband Mike Lewis joined the business in 2011 and is co-creative director. The company makes documentaries, fact-ent formats, drama documentaries, children's programmes and current affairs for all the major UK broadcasters and for American channels.
Lewis is on the UK Advisory Panel of the Creative Industries Foundation. She is chair of the Northern TV Skills Panel and former Vice Chair of Pact. For six years Cat was the Chair of PACT's Nations & Regions Committee, campaigning for more programmes to be made outside London. She is a BAFTA judge; the founder and chair of the North's Indie Club; sits on the RTS Committee in the North West and is on the panel for Women in Film & TV in the North. Cat is also a Global Ambassador for the UK city of Manchester.
Personal life
Lewis is married to TV executive producer Mike Lewis, who specialises in current affairs, and they have two sons. Cat is a Christian, who attends a United Reformed Church, and she has ten Godchildren.
