JOHN FERRILLO is the principal oboist of the Metropolitan Opera Company... LAURA AHLBECK has also joined the oboe section there... JONATHAN BLUMENFELD is now a member of the Philadelphia Orchestra, replacing CHARLES MORRIS who has retired... Upon the recent retirement of MARC LIFSCHEY, WILLIAM BENNETT is acting principal oboist of the San Francisco Symphony; JEFFREY RATHBUN is acting assistant principal... ERIC OHLSSON has joined the faculty of Florida State University, Tallahassee... ERIC OLSON is first oboist of the Jacksonville (Florida) Symphony ... GINA PONTONI has joined the oboe section of the Alabama Symphony (based in Birmingham) ... DANIEL STOLPER has been reappointed, for the third year, to the chamber music/new music ensembles panel of the National Endowment for the Arts... MICHAEL BYRNE is first oboist of the Victoria Symphony... WILLIAM WIELGUS has joined the Oklahoma City Symphony.