February 3, 2014 – DHR International has placed Shannon Block as president/CEO and Christopher Harvey as chief development officer of the Denver Zoological Foundation. The searches were led by executive vice president Mary Lee Montague. Ms. Block most recently served as CEO of Rocky Mountain Cancer Centers. Mr. Harvey previously served as vice president of development at Livewell Colorado. Denver Zoo is home to 4,000 animals representing more than 600 species and is accredited by the Association of Zoos and Aquariums (AZA). Founded in 1989, DHR International is headquartered in Chicago and has more than 50 offices worldwide.