SAN JOSE — Polycom has promoted Shawn Dainas from senior director to VP of global corporate communications, overseeing corporate PR, internal and partner communications.

Dainas joined Polycom in May 2011, overseeing corporate PR, consumer marketing and social media activity for the company. He now holds the most senior communications role at Polycom, reporting into CMO Kate Hutchinson.

He recently led Polycom’s PR review that resulted in Hill + Knowlton Strategies being handed the high six-figure business working with Polycom as it transitions its business for cloud and mobile environments.

Prior to joining Polycom, Dainas was senior director of executive communications Yahoo and spent four years at (the now defunct) Sun Microsystems, overseeing the strategic media relations and executive thought -leadership.