Compass After graduating in two years from Columbia, he began his career on Wall Street. Reffkin took Compass public Thursday, making him one of just 8 Black billionaires in the US. Robert Reffkin may soon be the youngest Black billionaire in the US after taking his real-estate startup Compass public on Thursday. The 41-year-old cofounder and CEO has risen to prominence quickly. From growing up in Berkeley, CA with a single mom, to becoming a White House fellow and rising through the ranks at Goldman Sachs before launching Compass, here are some things to know about the up-and-coming executive. The women in his life have inspired him