CEO Zook exits Vivus, J&J's Fischer steps in

Vivus' freshly appointed CEO, Tony Zook who joined the Mountain View, California-based firm from big pharma AstraZeneca, has stepped down due to "a previously-diagnosed medical condition." Taking up the position instead is Seth H Z Fischer, former Johnson and Johnson company group, and worldwide franchise chair – effective 3 September 2013. Mr Fischer will also join the Vivus board of directors.