Massachusetts-based medical device technologies company PLC Systems’ chief financial officer, James G. Thomasch, will leave the company to become chief executive officer at Clinquest, a privately-held company also located in Mass.

Mark Tauscher, president and CEO of PLC Systems said, "Jim has been a talented and resourceful partner in our long-standing effort to remake PLC Systems into a new company around our RenalGuard technology. All of us so appreciate his diligence and acumen as we've faced a variety of challenges over the years.”