Paul Shoemaker spent 13 years in the private sector -- working for Nestle and Microsoft -- before joining Social Venture Partners as a volunteer. The organization encourages groups of donors to pool their charitable contributions to get more philanthropic bang for their buck. Donors pledge $5,500 annually, then participate in deciding where the group funds go as well as helping the organizations put them to good use. BusinessWeek's Jessi Hempel talks with Shoemaker about his venture into philanthropy, making the most of giving, and the differences between the private sector and the nonprofit world
