Tifenn Kergosien MRICS is a seasoned professional in regional and urban planning, currently serving as Senior Development Manager at the Greater London Authority since April 2023. Previously held positions include Senior Planning Manager and Planning Manager at the London Legacy Development Corporation from January 2021 to April 2023, and Design and Planning Project Manager and Graduate Project Manager at L&Q from August 2016 to January 2021. Tifenn's early career included roles as an Independent Consultant for the WestTrans Partnership and a Summer Intern at ADOMA. Tifenn's academic background includes dual master's degrees from The London School of Economics and Political Science and Sciences Po, alongside a Bachelor's degree in Political Sciences from Sciences Po and a high school diploma with honors from Lycée Charles de Gaulle.