Brian Trelstad, Investment Committee, Acumen Fund, talks to Daniel Epstein of the Unreasonable Institute on the following topics:

- Debt and equity Investments in water, energy, agriculture, and more in emerging markets
- Converting compelling ideas into investment propositions
- Entrepreneur-friendly source of funding
- Open source sharing of knowledge
- Character of the entrepreneur
- What the impact really is and why it matters
- Telling the story of innovation
- Breakthrough around business model innovation