"Brendan has tremendous experience in building world-class sales teams in Asia Pacific," said worldwide vice-president of sales Scott Sampson.
"He will build on our deep installed base there and accelerate our growth in the region. Our global customers want consistent call quality as well as sales, service and support worldwide, so bringing on a leader like Brendan is a huge advance for us."
Maree most recently served as senior vice-president for Japan, Australia and New Zealand at Interactive Intelligence.
Earlier in his career Maree was a sales and service engineer at GE Heathcare, and an electronic weapons systems technician in the Royal Australian Navy.
He is also a non-executive board member of ERP software company Infomotion.