MESA, AZ — June 10, 2026 — Mesa Sister Cities is proud to announce that local student Sienna has been selected to represent both the City of Mesa and the State of Arizona at the upcoming Sister Cities International Youth Conference in Washington, D.C.
Sienna is one of only four students chosen from the entire state of Arizona for this prestigious honor. She will join fellow student representatives from Fountain Hills, Gilbert, and Sedona at the national event.
The selection highlights Sienna’s exceptional leadership abilities and dedication to community diplomacy. Key representatives from regional Sister Cities organizations have extended their congratulations and support for the delegation, including State of Arizona Sister Cities directors George and Donna Hartz; Christine Selman and Cheryl Laflen of Mesa Sister Cities; Elaine Kessler and Carmen Harrison of Gilbert Sister Cities; Tania Brown and Christine Colley of Fountain Hills Sister Cities; and representatives from Scottsdale Sister Cities.
“This is a remarkable achievement and a testament to Sienna’s dedication and leadership,” said Mesa Sister Cities leadership. “We are incredibly proud to have her represent our community on the national stage as she connects with youth leaders from across the globe.”
The Sister Cities International Youth Conference brings together students to discuss global leadership, cultural exchange, and international cooperation. Sienna’s participation ensures that Mesa’s youth voice is represented at the highest level of community diplomacy.
About Mesa Sister Cities
Mesa Sister Cities manages international partnerships and cultural exchanges to foster global understanding, economic cooperation, and lifelong friendships. Through youth programs, humanitarian projects, and cultural events, the organization connects the Mesa community with cities worldwide.
Arizona Sister Cities 