Diversinet Corp., a digital certificate company with a heavy concentration on security of transactions initiated on wireless devices, has appointed Melissa Tomlinson director of business development for wireless devices.

Ms. Tomlinson will seek out opportunities in such areas as banking, stock trading, and health care, the company said.

She previously worked for Wireless Data Forum, a trade association, and before that was a telecommunications promotion officer at the British Embassy in Washington.

"Melissa's experience combines expertise in wireless data with a knowledge of international markets,'' said Diversinet president and chief executive officer Nagy Moustafa. "Her knowledge will be invaluable as Diversinet expands its sales efforts overseas."

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