Accel-KKR-backed Cendyn, the leading innovator in hotel CRM and hotel sales platforms, acquired The Rainmaker Group, a leading revenue and profit optimization platform for hotels, resorts and casinos. Financial terms were not disclosed. "Like Rainmaker, Cendyn has a been a global leader in the hospitality industry for many years," said Tammy Farley, Co-Founder of The Rainmaker Group. "Our vision to deliver superior and demonstrable value to our customers is reflected in this exciting acquisition as we can now take our innovative revenue platforms to the next level with Cendyn."