Joseph M. Varholick has been appointed vice president and general manager of Microdot Inserts, a division of Microdot Aerospace Fastening Systems Group in Fullerton. He was previously managing director of Microdot Aerospace Ltd. in England. Microdot Aerospace is a manufacturer of fasteners and tools for the aerospace industry.
* Mark Tracy has been appointed vice president of sales and marketing for McDonnell Douglas Information Systems’ operations in the Americas. He was previously director of sales and marketing for Infotec Development. Before that, Tracy was regional manager at Progress Software. McDonnell Douglas Information Systems in Irvine provides software application development tools.