Ivan Harbour is one-third with Richard Rogers and Graham Stirk of the award-winning architectural firm Rogers Stirk Harbour + Partners, known in London for the Leadenhall Building (AKA The Cheesegrater) and Maggie’s Centre. After beginning his career with the notable Lloyd’s of London building, Harbour now runs the cutting-edge Y:Cube flat-pack home project. Twitter: @RSHP_News
Jennifer Keesmaat is the chief planner for the city of Toronto, appointed in 2012. She is dedicated to complete communities and walkable neighbourhoods. With more skyscrapers in construction in Toronto than any other North American city, Keesmaat is an advocate for mid-rise developments, and also co-produced a short film, Pedestrian Jar, that appeared in the Toronto international film festival in 2011. She tweets at @jen_keesmaat
Usman Haque is founding partner of Umbrellium and Thingful.net, a search engine for the “internet of things”. Trained as an architect, he has created responsive environments, interactive installations, digital interface devices and dozens of mass-participation initiatives, and directs Haque Design + Research. He received the 2008 interactive design of the year award from the Design Museum, London and tweets at @uah
Dan Hill is director of futures at the UK’s Future Cities Catapult. A designer and urbanist, he has previously held positions at Arup, BBC and Monocle, across a number of roles focused on integrating design, technology, cities, media and people. He is also the author of Dark Matter & Trojan Horses: A Strategic Design Vocabulary, and tweets at @CityOfSound
Anna Minton is the author of Ground Control: Fear and Happiness in the Twenty-First-Century City, which reveals the untested and unwanted urban planning that is changing our cities and the nature of public space, citizenship and trust. Joining her, as co-judges, are her students from the University of East London’s Production of Place MA in Architecture. She tweets at @AnnaMinton
Adam Greenfield is a writer and urbanist, frequent Guardian Cities contributor and the founder and managing director of New York-based design practice Urbanscale. He is the author of several books, including the “indispensable” Against the Smart City, and a senior urban fellow at LSE Cities. Follow his tweets at @agpublic