After a career that included working for Jack Welch at General Electric and leadership roles at publicly traded tech companies, Peter Barris was ready to venture out on his own. Literally. In the early 1990s, he moved into an incubator at the Baltimore offices of venture capital firm New Enterprise Associates, which was backing his fledgling company. But “one thing led to another,” Barris said, and he found himself joining NEA’s staff instead.