Sierracin Corp. appointed Amir Hosseinian as director...

Sierracin Corp. appointed Amir Hosseinian as director of engineering at its Sierracin/Harrison division in Burbank, which makes fittings and seals for the aerospace industry.

Sierracin, which principally makes cockpit windows for aircraft, also named Frank Kyle as controller of the division. Kyle previously was manager of financial planning and analysis at Sierracin’s corporate offices in Sylmar.