Park Electrochemical, a high-technology digital and RF/microwave printed circuit materials manufacturer, has appointed Joseph Milack as controller and Cindy Arroyo as assistant controller.

Milack joined Park Electrochemical in March 2009 as assistant controller. Prior to joining the company, he was a consultant at Resources Global Professionals from 2007 until 2009. Prior to that, he served as controller and vice president of GEA North America, an engineering, manufacturing, and chemical product distribution company, from 2001 to 2006. He also held positions at WMF of America, Brinkmann Instruments, Grumman Allied Industries, and PwC.

Arroyo joined Park Electrochemical in January 2010 as accounting manager. Prior to joining the company, she was a senior auditor with BDO Seidman from September 2006 to January 2010. Prior to that role, she served as a manager at Juice for Life.