PASADENA, Calif.--Paracel here, a developer of high-performance bioinformatics data analysis systems, has appointed J.R. Tozer as its new vice-president of marketing. He will coordinate the company's marketing, product planning, and promotion.

Tozer, who has 10 years experience in the bioinformatics field, formerly worked in marketing for the software company Molecular Simulations. He also founded GeneCraft, another molecular biology software firm. He has been involved in the creation and introduction of a number of bioinformatics products.