Holger Schlueter has been appointed vice president and general manager of TRUMPF Photonics Inc. (Princeton, NJ), a manufacturer of high-power diode laser sources.

Susan Eckel has been appointed director of business development at Strategic Distribution Inc. (Bensalem, PA).

Kenneth J. Chambers has been named eastern regional sales manager for Hitachi Computer Products (America) Inc. Oklahoma Manufacturing Division (Norman, OK).

Ricardo Lugo has been appointed Classic Industries Inc.'s (Latrobe, PA) vice president and general manager of Puerto Rico operations.

John Guan has joined Precix (New Bedford, MA) as senior development chemist.

Rob Fink has joined Forte Industries (Mason, OH) as technical operations manager.

Stephen P. Kaufman has been elected to Indigo System Corp.'s (Goleta, CA) board of directors.