On the heels of a much-needed alliance with Amgen ($AMGN) which gave it a cash lifeline, drug delivery device specialist Unilife ($UNIS) has entered restructure mode. The struggling York, PA, company announced that its CEO, Alan Shortall, and COO, Dr. Ramin Mojdeh, have resigned. Executive search firm Heidrick & Struggles will be searching for a permanent CEO, while senior vice president and general counsel John Ryan takes the helm as interim CEO. He will be helped by a new executive leadership team. In addition, the company now has two business units: Wearable and Auto Injectors and Prefilled Syringes. More