Stephen H. Rusckowski
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Stephen H. Rusckowski is a director on the board of Oracle Corporation. He previously spent a decade as Chairman, President and Chief Executive Officer of Quest Diagnostics, the diagnostic testing and information services company, leading it through periods including its response to the COVID-19 pandemic. Before joining Quest, he was Chief Executive Officer of Philips Healthcare, part of Royal Philips, where he oversaw the company's medical technology and imaging businesses. Earlier in his career he held senior leadership roles at Hewlett-Packard and Agilent Technologies. He is known primarily for his long tenure guiding Quest Diagnostics' growth and diversification in laboratory and diagnostic services.
Updated 5 August 2026
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