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Patrick Sullivan, David Smoller, Rainer Voegeli, James Green, Michael Mullenix, Gabriella Szekely-Klepser

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Sigma-Aldrich last week named Patrick Sullivan vice president of R&D for the research biotech business unit. His appointment became effective Oct. 1. In his position, he will “help expand Sigma-Aldrich’s leadership position through the development of new and innovative products for life science researchers,” the company said in a statement. He will report to David Smoller, the company’s president of research biotech.
 
Since 2005 Sullivan has been on Sigma-Aldrich’s scientific advisory board. Most recently, he was with Pfizer where he was involved in identifying new therapies for osteoarthritis and cardiovascular diseases. He has also held positions with Incyte Genomics and Monsanto/Searle/Pharmacia.
 

 
Rainer Voegeli joined Proteome Sciences in August as commercial director, the company said last week. Voegeli was previously at BioVision where he served as chief business officer. The previous commercial director, James Green, retired. He resigned as a company director on Oct. 2.
 

 
Michael Mullenix and Gabriella Szekely-Klepser have joined Assay Designs as vice president of R&D, and vice president, science and technology, respectively, the company said this week.
 
Mullenix was previously at Amgen as a principal scientist in its clinical immunology group. He oversaw a team that worked on developing GLP-compliant immunoassays. Prior to Amgen he held R&D positions with Molecular Staging, Becton Dickinson, and Strategic Diagnostics.
 
Szekely-Klepser was previously an associate research fellow at Pfizer Global R&D where she led the translational research biomarker implementation and biologics bioanalytical groups. She also held R&D positions at 3M.

The Scan

Tens of Millions Saved

The Associated Press writes that vaccines against COVID-19 saved an estimated 20 million lives in their first year.

Supersized Bacterium

NPR reports that researchers have found and characterized a bacterium that is visible to the naked eye.

Also Subvariants

Moderna says its bivalent SARS-CoV-2 vaccine leads to a strong immune response against Omicron subvariants, the Wall Street Journal reports.

Science Papers Present Gene-Edited Mouse Models of Liver Cancer, Hürthle Cell Carcinoma Analysis

In Science this week: a collection of mouse models of primary liver cancer, and more.