Different opinions, experiences and expert insight created a hotbed of ideas around how to start a movement at the second Dirty Rotten Social hosted at the House of St. Barnabas.

This week hundreds of social innovators will congregate in Mexico for the next Opportunity Collaboration gathering. At last year's event Pioneers Post's founding editor Tim West caught up with Tunisian social pioneer Leila Ben-Gacem.

Andy Lower wants to see extreme poverty eradicated in his lifetime and believes the answer to this complex global issue lies in the forces of markets. Pioneers Post's founding editor Tim West catched up with him in Ixtapa, Mexico.

Azza Kamel and her organisation Alwan wa Awtar are working to improve the lives of vulnerable children in Egypt and help them realise their potential. Azza talks to Tim West about big challenges and her mission to be more entrepreneurial.

Having gained 20 years worth of experience in corporate management consulting, Hardika Shah is now turning her efforts to the social business sector by providing much needed finance to micro and small businesses across India.

In Ixtapa, Mexico Ron and Marlys Boehm tell Pioneers Post's Tim West about discovering social business, the inspiration they have found and the challenges they have helped social entrepreneurs to face as founders of Boma Investments.

In the latest Opportunity Collaboration interview Ladislav Kossar explains the process of developing a small organisation reliant on philanthropic grants to one with a sustainable model and international reach.

One of the biggest challenges facing social entrepreneurs internationally is generating enough capital to scale up and increase their impact. Drew von Glahn talks about how the World Bank is seeking long-term solutions to this issue.