Boris Wertz built and scaled a used-book marketplace through the dot-com crash before it was sold to Amazon, and that hands-on experience shaped his focus on marketplaces and his belief that the best founders can be anywhere in the world, not just in one country. He also stands out for personally backing around 30 early fund managers with small checks, and for spotting crypto's potential early by recognizing it felt like the early days of the internet all over again.