The rest of the 100 (in alphabetical order): Leo Castellanos, Saatchinvest

Leo Castellanos is an investment director and equity partner at Saatchinvest, a seed venture capital vehicle established by advertising agency M&C Saatchi, which is the most active corporate venturer in its home market, the UK.

He is on the board after investing in ThingThing and Gluru and reports his other investments as including Dojo App, Picasso Labs, Ometria, Endource, Evrything, CityMapper and Technology Will Save Us.

Castellanos is also co-founder and director of, an online business comparing financial products, insurance and utilities in Latin America, a region he also supports through the British Venezuelan Society.

His network as a corporate venturer was supported by the five years he spent as an incubation and new ventures manager at City University London and chairman of the Cass Entrepreneurs Network, connected to the business school.