Shortly after GYPA's creation, the Board of Directors  contracted James Chessum as Administrator on July 16, 2001. The Administrator conducted all related business to with the Board of Directors to see San Luis II open in November 2010. The focus of the Board of Directors and the Administrator will be to assist the City of San Luis in the completion of San Luis I and to create development opportunities surrounding San Luis II and any other infrastructure requirements as identified by the Board of Directors. Mr. Chessum served and fulfilled the GYPA's mission to establish a gateway for global trade in playing a crucial role that implemented the San Luis Commercial Port of Entry. He retired from GYPA in 2011.

The GYPA Board of Directors then contracted Linda Matthias as Administrator on July 1, 2012. Ms. Matthias has 27 years combined public service experience and 4 years public offering experience in real estate development. She served as support staff in the early years of the San Luis II Port of Entry through the current appointment as administrator. She retired in December 2019 after many years of assistance in growing and maintaining the GYPA's mission.

On November 9, 2018 the GYPA's Board of Directors contracted Buna George as the Greater Yuma Port Authorities Executive Director. Prior to joining the GYPA Buna served her community in the realm of real estate and custom home building. She also served as the Treasurer of a nonprofit cancer support group, Hope Brigade Yuma, a group that offers resources and the ability to connect with a close-knit community of cancer patients, caregivers, and survivors like herself. She is a Yuma, AZ native and has grown up on both sides of the US and Mexico border. Her mother, a resident of Los Algodones Baja California moved to Yuma Arizona after meeting Buna’s father who relocated to Yuma from Texas after the Vietnam war. She was taught English and Spanish simultaneously and border culture was embedded in her as of an early age. She frequents visits Los Algodones, Mexicali, and San Luis Mexico to visit family and revel in the region’s assets.  Buna enjoys reading, writing, cooking, and spending quality time with close friends and family. She holds a Bachelor of Science in Urban Planning and Development and will be pursuing a master’s in real estate development this fall.  

Ms. George can be reached at and directly on her mobile at 928-315-9070. She looks forward to growing and strengthening the relationship between Sonora and Arizona.