William J. Kullback

William J. Kullback is a seasoned Chief Financial Officer with over thirty-five years of experience in financial management across mid-sized to large corporations, particularly within the life sciences sector. Currently, Kullback serves as CFO at Calibre Scientific, overseeing a portfolio of companies that provide life sciences tools and diagnostics globally. Previously, Kullback held CFO positions at BioLegend, where they led the company to a $5.25 billion acquisition, and MedSource Technologies, which was sold for $231 million. Kullback’s career includes significant roles with prominent firms such as PricewaterhouseCoopers and multiple consulting engagements post-BioLegend. They hold a BA and MBA in Accounting and Finance from the State University of New York at Buffalo.