Cambridge Isotope Laboratories said this week that it has hired Roswell Shelhamer as business development manager.
Shelhamer previously held a sales position at Isotec, a division of Sigma-Aldrich.
Epic Sciences has tapped Michael Rodriguez to be company CFO.
Rodriguez previously was COO at Clarient Diagnostic Services, where he led a group of more than 350 people in lab operations, IT, quality assurance, and other areas. He also formerly was senior VP and CFO at Endocare, executive VP and CFO of Directfit, and an executive at Tickets.com and EDiX Corporation.