The team announced that she died from complications related to glioblastoma, a rare form of cancer.
She is survived by her husband, Mike, and their four sons, Charlie, John, Teddy, and Sam.
the Hazen family said in a statement.
She spent every day in the service of others as a mother,
wife and educator advocating for goodness.
Nicole lived her life and loved her family with fierceness and devotion,
random acts of kindness bestowed upon us for the last two years and four months.