New hires and promotions

Menomonee Falls-based Herker Industries, which specializes in precision machining, contract welding and mechanical assembly, has hired David Barta as vice president of business development. In addition to leading the company’s team of business development professionals, Barta will focus on expanding Herker’s relationships with clients for the engineered medical technologies and engineered assemblies divisions of Herker Industries. Barta has more than 30 years of experience serving the medical device and technology industries.