Can someone verify - did he really the architect for A/B test at early Facebook? It’s undoubtedly one of the worst Pandora’s box at internet history, but I do h

Can someone verify - did he really the architect for A/B test at early Facebook? It’s undoubtedly one of the worst Pandora’s box at internet history, but I do have respect for who created this - it’s probably the largest scale statistic application ever.