Josh Mailman

Founder, Serious Change Investments

Josh is President of Sirius Business Corporation, a NY-based global investment firm. He has 25 years experience investing in social businesses, and was a founding investor in Grameen Phone and Seventh Generation. He also co-founded Business for Social Responsibility and the Social Venture Network, which brings together private investors, company founders and social entrepreneurs to create a more sustainable society through business. Josh serves on the boards of Human Rights Watch and Witness.



LeapFrog’s Advisory Board is a stellar group of individuals with deep experience in different regions and sectors. They provide invaluable strategic and practical insight to the LeapFrog management team.