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Mark Stevenson, Sean Cassidy

Mark Stevenson has been promoted to president and chief operating officer of Applied Biosystems, and has become a senior vice president of the group’s parent, Applera. He has been executive vice president of ABI since July 2007.
Stevenson replaces Tony White, who had served as interim president of ABI since 2006. White is the chairman, president, and CEO of Applera. Since joining ABI in 1998, Stevenson held various positions, including vice president of molecular biology sales in Europe; president and general manager of ABI Japan; founding president of the Applied Markets division, and president of the Molecular and Cellular Biology division.

Sean Cassidy has been appointed as vice president and chief financial officer of CuraGen, replacing David Wurzer, who will stay with the company through March to facilitate the transition.
Cassidy comes to CuraGen from 454 Life Sciences, where he had been corporate controller since 2002. Cassidy assisted 454 in a private round of financing in 2003, entering into a license, supply, and distribution agreement with Roche Applied Science in 2005, and in the acquisition of 454 by Roche in 2007. He holds an MBA degree and a BSc in accounting, both from the University of Connecticut.

The Scan

Purnell Choppin Dies

Purnell Choppin, a virologist who led the Howard Hughes Medical Institute, has died at 91, according to the Washington Post.

Effectiveness May Decline, Data From Israel Suggests

The New York Times reports that new Israeli data suggests a decline in Pfizer-BioNTech SARS-CoV-2 vaccine effectiveness against Delta variant infection, though protection against severe disease remains high.

To See Future Risk

Slate looks into the use of polygenic risk scores in embryo screening.

PLOS Papers on Methicillin-Resistant Staphylococcus, Bone Marrow Smear Sequencing, More

In PLOS this week: genomic analysis of methicillin-resistant Staphylococcus pseudintermedius, archived bone marrow sequencing, and more.