Helicos BioSciences has appointed Patrice Milos chief science officer and vice president. As the former executive director of global R&D at Pfizer, Milos had held various research positions in pharmacogenomics and molecular sciences, Helicos said.
Affymetrix has appointed John Batty chief financial officer and executive vice president. Batty formerly was senior vice president of finance and CFO of Credence Systems, chief operating officer of Network Equipment Technologies, and CFO and vice president of finance at Verilink.