Diane is a Blackfoot woman from the Blood tribe and the Southern Blackfeet of Montana. Diane is the daughter of the late Glen and the late Leona EagleSpeaker. She is of the All Short People's clan. Diane was born in Browning, Montana and raised for the first few years of her life with her twin by her maternal grandmother in Montana.

Shortly after returning to her parents Diane was taken away at the age of 5.

Diane is a resilient survivor of the Canadian Residential School system. She is also a survivor of the Mormon Indian Child placement program where she became a foster child to the Mormon church. In her early teens, Diane returned to her parents' care, now living in Seattle, Washington.

Due to the cyclical and painful legacy of Residential Schools she left home at the age of 15, navigating and surviving on her own. Diane went on to receive her G.E.D. from Evergreen State College.

Later in life she returned to school, receiving a diploma in office administration and then moving on to pursue a degree in Social Work from Mount Royal College. She has utilized this education and combined with her compassion for helping Indigenous women and children, she has worked as a Front Line worker at Awotaan Healing Lodge, a first stage shelter for Indigenous women, for over a decade.

Diane is also a passionate volunteer, volunteering her time for the annual Sisters In Spirit March and rally where she leads the March with smudge and prayer.

Diane is a long standing leader in the Sundance community of Southern Alberta, with over twenty-five years of applied practice and leading knowledge.

Diane's greatest accomplishments by far are her five children; Kurt, Whiley, Autumn, Blue Cloud and Melrene. Diane is also the grandmother of sixteen grandchildren and one great grand-daughter.