Financial risk management platform Pillar raises $20M seed in round led by a16z

Pillar, a platform that helps commodity-driven businesses (like those in metals, food, and airline companies) manage financial risk, announced Tuesday a $20 million seed round led by Andreessen Horowitz.  Others in the seed round include Crucible Capital, Gallery Ventures, and Uber CEO Dara Khosrowshahi. The company has raised $23 million to date.