Affymetrix has appointed Timothy Barabe to the chief financial officer post. He will run the firm's treasury and financial functions, investor relations, and its information technology departments. Barabe previously was senior VP and CFO at Human Genome Sciences, and he was CFO at Regent Medical. He also has worked in various roles at Novartis, including senior executive positions at CIBA Vision.

Barabe replaces John Batty, who was with Affymetrix for three years.

Wellcome Trust Sanger Institute Professor Leena Peltonen-Palotie died this week of cancer at her home in Finland, according to the Sanger Institute. Peltonen-Palotie was head of human genetics at Wellcome Trust, and she held appointments at the Broad Institute at MIT and Harvard and the Institute for Molecular Medicine Finland.