Gemma set up GB&C in 2011 after a decade working front of house and back of house in restaurants and hotels, from Marco Pierre White’s notable Mayfair restaurant Mirabelle, to Ian Schrager's St Martins Lane and Sanderson hotels. Gemma was included in the Evening Standard’s Progress 1000 Most Influential Londoners of 2019 and has been included in Code Hospitality’s 100 Most Influential Women for the past four years. This year, she was included in PR Week’s PR Power Book 2024 in the top 10 of the luxury, hospitality, food and drink sector.