Marblehead resident and Boston Celtics Vice President of Public Relations Heather Walker passed away Wednesday morning after a nearly two-year battle with brain cancer. Walker, who was hired by the Celtics in 2006, dedicated most of the past two years to raising money for a rare type of brain cancer known as glioblastoma. The Heather Walker fund, which benefited the … [Read more...] about Marblehead’s Heather Walker, Celtics VP, dies after brain cancer battle