"Melissa's rich experience within the data analytics industry as well as her solid, proven results and experience with various organisations make her uniquely qualified to drive our business in APJ," said executive vice-president for global sales Steve Hurn.
"As the Asia Pacific and Japan region experiences unprecedented growth, particularly in data analytics, Melissa's success in helping organisations unlock their full value will undoubtedly enhance our position in this market."
Ries has more than 25 years of experience in the software industry, most recently as general manager for APJ at elearning provider Skillsoft.
Ries holds a Bachelor of Commerce degree from the University of Queensland.
"The Asia Pacific business landscape is transforming rapidly. Enterprises need to realise the value of data analytics to stay ahead of the competition. This region poses a unique set of challenges for enterprises," she said.
"We are committed to working with our customers and partners to support enterprises in this region and utilise the power of data analytics and transform their business. I believe Tibco has the right technology to equip these enterprises to succeed."