Stacey Ann Allaster CC[2] (born July 12, 1963) was the chairman and CEO of the Women's Tennis Association from 2009 to 2015.
After graduating from university, she worked for the Ontario Tennis Association as membership sales co-ordinator and director of player development.
In July 2009, Allaster was promoted to be the chairman and CEO of the WTA Tour, succeeding Larry Scott.
[8] On September 22, 2015, Allaster announced her retirement as chief executive of the WTA, citing a personal change in priorities.
[8] On October 5, 2015, Steve Simon, the tournament director of the BNP Paribas Open, was announced to succeed Allaster as the new WTA chairman and CEO.