SAN JOSE, Calif.—Silicon Valley-based manufacturing services firm Bestronics has expanded  its executive team with the appointment of Steve Yetso to vice president of commercial operations and supply chain, and Ben Calub to vice president of manufacturing, the company announced in a press release. Bestronics also announced an increase in staffing and manufacturing lines, deepening the technical capabilities and services available within its onshore manufacturing facilities.

In his new role, Yetso will focus on commercial activities, including supply chain, program management, warehousing, logistics, and commercial operations, in addition to overseeing the procurement and production systems that he helped initiate in his previous position as vice president of operations. Calub will manage all engineering and production operations, with overall responsibility for new process control development, new manufacturing production and automation platforms, new product introduction (NPI) design support, testing, and new clean room technologies and processes.

“Steve and Ben have been responsible for identifying and scaling the systems and processes we’ve needed to support this period of rapid growth,” said Bestronics CEO Nat Mani, in the press release. “Going forward, by dividing responsibilities in this way, we gain bandwidth to optimize the specific capabilities our customers require. Hailing from long careers in product development companies, Steve and Ben know what it takes to bring products through the complex development processes required for industrial, medical, communications, optical, and energy infrastructure markets. Our customers gain direct access to that experience and perspective.”

Yetso was previously vice president of operations for Bestronics, joining the company in 2014 from Bio-Rad Laboratories, where he held management positions in business analytics and operations. He brings experience in designing complex factory execution and sophisticated metrics-driven supply chain management for high mix and high volume operations, the company said in the release.

Calub was previously director of engineering for Bestronics, joining the company in 2015 from Tactus Technology. He brings strategic and hands-on tactical experience in the manufacturing and engineering of complex electronic and optical programs, from inception through high volume product launches.

Bestronics reports that it has recently quadrupled its engineering headcount, adding mechanical engineering, package design, and laser packaging process development. Ultra-high precision optical packaging technologies, highly automated precision component assembly processes, and new imaging sensor technology applications round out the company’s deeply technical, complex product development and manufacturing services capabilities.

“These investments in our factory execution systems, engineering resources, and customer-focused technical leadership enhance our service offerings, allowing us to provide the fast, highly flexible, and thoughtful solutions our customers appreciate,” said Mani.

Bestronics ( specializes in “high-mix, any volume manufacturing for high technology companies who require exacting quality with the convenience of local sourcing at a competitive cost,” the company said. Its facilities and staff support “electro-mechanical and system assembly; reliability; precision touch-ups; in-circuit and functional tests; rework and failure analysis; final test, integration, and box builds; a wide variety of SMT packaging; and new clean room assembly capability.”

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