He had a much higher profile than the average medical device CFO, thanks to engineering 37 acquisitions and regularly making himself available to analysts and the media. He will be replaced by Sam Leno, who is leaving hisÂ CFO position atÂ Zimmer Holdings. Zimmer went through its own management shakeup this week, naming David Dvorak to replace retiring CEO RayÂ Elliott and James Crimes to replace Leno. Boston Scientific was also impacted by another executive move this week. Daniel Moore, a senior sales and marketing executive, left to become CEO at Cyberonics, whose previous CEO had resigned amid a stock-options scandal. Boston Scientific owns 14% of Cyberonics.