Sierracin/Harrison named David Rossi as director of...

Sierracin/Harrison named David Rossi as director of sales and marketing and Jerry Sliwoski as division controller.

Sliwoski was formerly division controller for Dover Corp.’s Kahr Bearing division in Burbank. Rossi managed the international division of Tetrafluor in El Segundo.

Sierracin/Harrison is a division of Sierracin Corp., a Sylmar aerospace firm.