Born in London, Ruth has also lived in Israel for many years. She trained at the Rubin Academy of Music and Dance in Jerusalem, where she studied Voice and Piano and received a degree in performance in both instruments. She is a qualified music teacher and for many years taught music to children and adults of all ages. Returning to London in 2000, Ruth undertook a number of intensive courses learning about the history of this great city which she loves. She has recently earned an MA in Art History and enrolled in a Ph.D. program. Ruth also has a particular interest in Jewish London and a keen interest in the artistic and musical history of London.

Sarah-Jane Kitching was born and brought up in London. She studied at Cambridge University and qualified as a doctor, working in the NHS initially in Gynaecology and latterly as a General Practitioner. Having gained a First in the History and Philosophy of Medicine as part of her medical training, she has now changed career to pursue her long-standing love of history and of London in particular. After two years of intensive study, Sarah-Jane qualified as a London Blue Badge Guide and was awarded Guide of the Year in 2012. She is passionate about the city she lives in with her family and loves to share its fascinating past and present with others.

Born and raised a Londoner, Mark has been fortunate to live also in Oxford and Dorset, as well as to work overseas in France, United States of America, Czech Republic and Russia. He has enjoyed visiting or living in several great cities but nothing compares with London - quite simply, this is the world's most fascinating city! His personal interests range from the history of the City, to Jewish history, transport and multicultural London.