Quest Diagnostics has appointed Stephen Rusckowski as the new president and chief executive officer (CEO), effective 1 May 2012.

Previously, Rusckowski held various management positions with the healthcare division of Hewlett-Packard/Agilent Technologies.

Rusckowski served as CEO of Philips Healthcare, since 2006, and has also been a member of the board of management of Royal Philips Electronics and its executive committee.

The company also announced that Daniel Stanzione, currently company’s lead independent director, will become non-executive chairman of the board, effective 1 May 2012.

Quest Diagnostics non-executive chairman Daniel Stanzione said Rusckowski’s emphasis on operational excellence has enabled to deliver impressive results.

"We look forward to Quest Diagnostics’ next chapter of success under Steve’s leadership," Stanzione added.