Christy Wyatt was only months into her new IT management job at Citigroup when the chance to be CEO at Good Technology came along.

"In a sense it really awful timing," Wyatt told the Business Journal on Monday. "But it was too good an opportunity to let pass."

San Mateo-based Good Technology isn't a startup and it isn't a big company but it could see explosive growth in the near future, Wyatt said.

It focuses on making large businesses safe from the security threats posed by the growing number of employees bringing their own tablets, smartphones and laptops to work. It counts some of the biggest financial institutions and health care organizations among its 4,000 customers.

"The great thing about Good is that it is a cross-platform solution, so it doesn't matter what type of devices might be involved," Wyatt said. She was involved in some mobile device management technology at Motorola Mobility, where she worked until Google (NASDAQ:GOOG) bought the company last summer and was in charge of the enterprise unit.

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