jennifer doidgeJennifer Doidge, a senior communications exec for Visa, has moved to Blackberry as VP of corporate communications for the mobile device provider.

Blackberry communications chief Heidi Davidson said last week she is leaving the company.

Doidge spent more than nine years at San Francisco-based Visa, handling product and corporate communications. She is a former VP for FleishmanHillard in the Bay Area.

After a rocky few years, Blackberry is trying to recoup its once-influential share of the mobile phone market and grow its security business under CEO John Chen.

Adam Emery is VP of corporate comms. for Blackberry in New York. Doidge is based in Pleasanton, Calif.