Qualifications: (i) PhD in bioinformatics, biostatistics, computer science or related fields; (ii) Familiarity with molecular biology and genomics; (iii) Strong programming skills (R, C++, Python); and (iv) proficiency in microarray software Bioconductor, dChip, and GenePattern. Working at the interface of biology, statistics and computing, the candidate will analyze high-throughput gene expression microarray data in cancer genomics. The goal is to develop novel data analysis algorithms and software and to identify genomics signatures in cancer patients and tumor-bearing mice. Please send CV, a career statement, and 3 letters of reference to Dr. A.I. Kassis, HMS, Armenise Bldg, 200 Longwood Avenue, Boston, MA 02115; e-mail: Amin_Kassis@hms.harvard.edu. An Equal Opportunity/Affirmative Action Employer.