Bethlehem Tilahun Alemu, founder of Ethiopian footwear company SoleRebels, travels 3,500 miles to Denmark to meet Jorgen Vig Knudstorp, the chief executive of toy company Lego.

Sir Martin Sorrell, chief executive of the advertising group WPP, meets Sunil Mittal, the founder, chairman and group chief executive of Bharti Enterprises.

In this edition, we travel to Madrid to discover what Argentine-Spanish entrepreneur Martin Varsavsky, a self-made millionaire by 27, can learn from Carlos Moncayo, founder of Asia Show more

Lifestyle brand innovator Dare Jennings, founder of Deus ex Machina, teams up with Ajay Piramal, leader of a global business conglomerate Piramal.

This edition is from Sao Paulo, where Ines Kolmsee, CEO of the German chemical company SKW Metallurgie, meets Frederico Curado, CEO of Embraer, manufacturer of commercial aircraft. Show more

The Ideas Exchange is in New York to introduce David Neeleman, founder and CEO of Brazil's low-cost airline Azul, to Kathleen Taylor, CEO of Four Seasons Hotel Group. Show more

The Ideas Exchange travels to Paris, France, where Carlos Ghosn, the CEO of Renault-Nissan, meets Vineet Nayar, CEO of Indian technology company HCL. Show more

Dubai-based Yogesh Mehta, CEO of chemical distribution company Petrochem travels to London to meet Nick Wheeler, the founder and CEO of British shirt company, Charles Tyrwhitt. Show more