Rebecca Allen is Chief Analyst and a co-founder of Teacher Tapp, the largest teacher survey in the UK. She is also Professor of Education at the University of Brighton. Until 2018, she was Professor of Education at UCL Institute of Education and over her academic career she has written extensively on school accountability, admissions, assessment, expenditure and teacher careers. In 2018, she chaired a Government working group to review how data is used in schools. Her book with Sam Sims on teacher careers called 'The Teacher Gap' was published in 2018.|Matthew Evans is Headteacher of Farmor's School, a secondary comprehensive in Gloucestershire. His subject background is business and economics, which he has taught since 1995. Matthew is a published author: his book called 'Leaders with Substance: An Antidote to Leadership Genericism in Schools' was published in 2019 and he also contributed a chapter to the recent researchED Guide to Leadership. He holds a Masters in Education Management, is a keen blogger and an experienced public speaker.|Ben White is an Assistant Head at Maidstone Girls' Grammar School in Kent. He combines classroom teaching with a national role in education through various partnerships and collaborations. He has written research guides for Ambition Institute and led research projects for the Education Endowment Foundation, Ashford Teaching Alliance and the Department for Education. He also co-designed Compare and Learn (a comparative learning web-app). He holds a Masters in Education and Professional Studies and currently facilitates the National Professional Qualification in Leading Teacher Development. He is also a keen blogger and experienced public speaker.