Not sure if you are referring to college refs only or not, but Wes 
McCauley, Michigan State 1990-93, is a current NHL ref.

Moller Edward N wrote:
 > BU plays UMass Lowell on Sat night, and the UML game notes list
 > Jean-Yves Roy as one of the linesmen.  Is that the same JYR who played
 > for Maine in the early 90's?  When did he start doing this?
 >
 > 
 > How many other former players can we list who changed their stripes?  I
 > can think of two right off the top of my bald head.
 >
 > *         Giles Threadgold - A member of BC's 1949 national champions
 > and one of the most reviled figures in BU history.  He actually told a
 > newspaper reporter how much he hated BU.  That got him banned from
 > reffing BU games.
 >
 > *         John Melanson - A member of BU's 1978 national champions (and
 > a classmate of mine).  He started with ECAC and moved to Atlantic
 > Hockey.  Is he still working?