International Remote Imaging Systems named Vincent Nessen...

International Remote Imaging Systems named Vincent Nessen its national sales director and James Gangwer its marketing director.

Nessen, 45, joined the Chatsworth-based company in April, 1984, and was eastern regional manager. Gangwer, 43, joined the company in 1981, working most recently as product director. Both are being promoted to new positions in the company, which makes automated systems used in urine analysis.