The founder of currency exchange giant Travelex and the people in charge of running Development Securities joined James Max this month for the Property Week Podcast.   Travelex owner Lloyd Dorfman, who also owns serviced office company The Office Group, spoke to BBC presenter James Max about the recession, running a billion pound business, and his role as a director of the National Theatre.   Development Securities chief executive Michael Marx and executive director Matthew Weiner spoke about the ins and outs of being a listed developer, and the company’s renewed focus on regeneration in suburban London.   Listen to the podcast here or download via iTunes