Full-time staff

Hannah Jarman

Program Director

Hannah Jarman is a Program Director with Tulsa Changemakers. She moved from the south suburbs of Chicago to Tulsa, Oklahoma in 2017 with Teach for America to teach 6th and 7th grade social studies. After teaching both middle school and 4th grade over the course of five years, Hannah transitioned to her dream job at Tulsa Changemakers. She loves seeing the intersection between civic advocacy and youth voice, choice, and power. In her free time, she loves to read fantasy and science fictions books and go to her favorite boxing gym.

Rachel Humphrey
Program Manager

Rachel Humphrey has been a classroom educator for the last ten years at Council Oak Elementary in Tulsa Public Schools. Originally from Poughkeepsie, NY, she moved to Tulsa to attend the University of Tulsa in 2008, where she was a member of the women’s rowing team. After graduating with her Bachelors in Elementary Education she began teaching 5th grade at Council Oak. While teaching, Rachel was involved in various after school programs and positions. Most recently, she was a Changemakers coach and was inspired by the work being done throughout the program. In her classroom Rachel put an emphasis on student voice, building community, and collaboration. She is passionate about empowering youth to find and use their voices to impact their communities. She is excited to join the Changemakers team! Rachel is married to Brian Humphrey and together they are proud parents of Evelyn, Violet, and Bennett.

Jori Cowley
Tulsa Service Year Fellow

Jori Cowley grew up on a ranch in the rural community of Vinita Oklahoma, and is a proud citizen of the Cherokee Nation. She graduated from The University of Oklahoma in 2022 with a Bachelors in Sociology and Native American Studies. Jori is passionate about affirming tribal sovereignty in the state of Oklahoma and creating a pathway for diverse people to have equal access to community resources. In her free time she enjoys spending time with her two dogs and thrifting cowboy boots for her boot collection. Jori is very excited to join the Leadership Tulsa team and make an impact through her fellowship with Tulsa Service Year.