BlackBerry maker Research In Motion has announced two new senior executive hires today. Frank Boulben, formerly VP of strategy and marketing at LightSquared, will take over as RIM's new chief marketing officer. Kristian Tear will become the new chief operating officer, having recently been an executive vice president at Sony Mobile Communications and Sony Ericsson.

See More: RIM hires former LightSquared, Sony Ericsson execs as CMO and COO