A traditionalist but also a modern chief with a diverse background, the gregarious Mills brought education, and a variety of outside experiences to his leadership role. A historian and expert on "all things Wampanoag", Mills epitomized the vast diversity of the Mashpee Wampanoag whose survival skills required an adeptness and balance between walking in the outside world while protecting and preserving unique tribal traditions. A renowned chef of traditional foods, a teacher, and entrepreneur, Mills continues to educate tribal members and friends about the significance of Native tradition in today's world.