NEW YORK (GenomeWeb News) – Lab-on-a-chip diagnostics and life sciences company Siloam Biosciences has hired Randall Durnell to serve as the firm's VP of commercial operations. Durnell has served as an executive at Thermo Fisher Scientific, Beckman Coulter, Caliper Life Sciences, and Aurora Biosciences, the firm said in its announcement. Durnell will focus his efforts at Siloam Biosciences on growing strategic business interactions and on international distribution.