Investors

Loft - Berlin Tech-focused startup hub in the heart of Berlin.
Redpoint eventures Brazil The first Silicon Valley fund dedicated to Brazil

Recommendations

Paul Doughty, Rackspace Startup $24k Program
First impression of Stripe's support and system are excellent... starting it's implementation.
Han Verstraete, Otonomos
We use it in e-commerce and though it's a bit nerdy (they love to show off their coding credentials) it works and they're adding more currencies