Robert "Tree" Cody (also known in the Maricopa language as Oou-Kas Mah Quet or "Thunder Bear") is a Native American flutist, dancer, artist, educator and actor who has performed throughout the United States, Europe, Canada, Scandinavia, the United Kingdom, East Asia, Central & South America and Mexico. Standing 6 foot, 10 inches, "Tree" Cody holds a commanding presence whether on stage or on the pow-wow circuit as a prize winning Northern Traditional dancer, Master of Ceremonies or Arena Director.

As an enrolled member of the Salt River Pima Maricopa Community and of Dakota heritage, Cody shares his knowledge of Native American culture, song, dance and music as a performer and invited lecturer at concert halls, universities, museums, schools, and colleges throughout the world.