David Johnson was just one minute into making his pitch when the interruptions started.
“Why do I care?” barked a bespectacled man at the back of the seminar hall. Johnson, chief executive of the California biotechnology start-up GigaGen, blinked. He had condensed his company's story into a neat ten-minute presentation for I-Corps, a nine-week course designed to teach business skills to entrepreneurial scientists like him. Now his talk was derailed.
