user	roca
created	Jan 17, 1970
karma	5593
about	Robert O'Callahan. Christian. PhD from CMU (2001) in static program analysis. Former Mozilla Distinguished Engineer. Primarily worked on Gecko layout and rendering. Started https://rr-project.org and currently maintaining it. Cofounder of https://pernos.co, an omniscient debugger that people actually use. Google.