SAN DIEGO: TelCentris, a unified communications and telecommunications provider, hired Erik Bratt as VP of corporate communications. Bratt most recently was president of Engage Social Media & PR. Previous experience also includes a senior marketing manager position at Microsoft where he handled PR, marketing, and social media in its Trustworthy Computing division. He oversees the company's strategic communications, including analyst relations, as well as lead its social media marketing strategy. Bratt began his term in late August.