In July 2018, Haas was named Chief Operating Officer of the Western & Southern Open. Prior to joining the ATP Masters 1000 & WTA Premier combined tournament, Haas was vice president of Florida business operations of the Boston Red Sox. During her time with the team she oversaw all business operations in Southwest Florida and maintained the Red Sox Foundation locally in Lee County. She also oversaw all construction and the opening of JetBlue Park in 2012. Haas began her career with the Red Sox in her hometown of Sarasota in 1999, with the Florida State League Single-A Sarasota Red Sox. She also worked for the NBA Charlotte Bobcats for two years in corporate sponsorships.
In addition to her professional roles, Haas was the Vice Chair of the Foundation for Lee County Public Schools and served on the board of directors of Community Cooperative, the Naples Zoo and the Early Learning Coalition of Southwest Florida.