Rob Eastaway is a maths author, speaker and broadcaster.  His books on everyday maths include the bestselling Why Do Buses Come In Threes? and Maths On the Back of an Envelope, and most recently Much Ado About Numbers (about maths and Shakespeare).He is a regular guest on BBC Radio 4’s award-winning podcast More or Less.  He is also Director of Maths Inspiration, a national programme of interactive lecture shows for teenagers, and has given maths talks to audiences of almost every age and background.

John Condliffe has been a real estate lawyer for over 25 years. He was a partner at global law firm Hogan Lovells for 10 years, acting for significant landlords and many household names. He dealt with many complex transactions. He was also on the operational board of the Investment Property Forum, and gave evidence to a House of Lords select committee. He previously did an undergraduate engineering degree at Oxford. Since leaving Hogan Lovells he has taken an MSc in business analytics at UCL. He is passionate about using data and technology to make legal transactions and due diligence work better.