Martin Verhoef and William Rich

Martin Verhoef, senior vice president for sales, marketing, and operations, will become president of Ciphergen’s new Biosystems division, as well as executive vice president, and will report to William Rich, president and CEO, the company said last week. Verhoef, who has been with Ciphergen since April 2000, will lead the company’s research products group — which sells the company’s ProteinChip systems, arrays, and services — and the bioprocess products groups. Previously, Verhoef was with the liquid chromatography division and the DNA microarray business of Hewlett Packard/Agilent Technologies. He holds a BS degree in medical microbiology and biochemistry from the Van’t Hoff Institute in Rotterdam, the Netherlands.