Epitome Biosystems announced this week the appointment of Edward Machuga to the newly created position of vice president, sales and marketing. He will be responsible for all commercial activities, including sales of the recently launched Ti-Tyr Profiling Chip and Q-Sonar Discovery Service. Machuga was most recently a sales and marketing executive at GE Healthcare’s Research Sciences group. Before that, he was at TekCel and Argonaut Technologies.