Ex-Nortel CEO Frank Dunn tries to navigate the modern world after experiencing a classic case of "tech-boom-rise-and-fall." Ex-Nortel CEO Frank Dunn tries to navigate the modern world after experiencing a classic case of "tech-boom-rise-and-fall." Ex-Nortel CEO Frank Dunn tries to navigate the modern world after experiencing a classic case of "tech-boom-rise-and-fall." Ex-Nortel CEO Frank Dunn tries to navigate the modern world after experiencing a classic case of "tech-boom-rise-and-fall."