Harold Slemmer, Ed.D
Executive Director

602) 385-3811
hslemmer@aiaonline.org

Glen Treadaway
Associate Executive Director

(602) 385-3813
gtreadaway@aiaonline.org

Cindy McMannon, CMAA
Assistant Executive Director

(602) 385-3815
cmcmannon@aiaonline.org

Chuck Schmidt, CAA
Assistant Executive Director

(602) 385-3823
cschmidt@aiaonline.org

Brian Bolitho
Director of Media Marketing 

(602) 385-3822
bbolitho@aiaonline.org

Ron Halbach
Activities Coordinator

(602) 385-3824
rhalbach@aiaonline.org

Jeanie Kosower
Assistant Commissioner of Officials

(602) 385-3818
jkosower@aiaonline.org

Christie Messner
Officials Coordinator

(602) 385-3817
cmessner@aiaonline.org

Heidi Messner
Office Manager 

(602) 385-3810 Ext. 0
hmessner@aiaonline.org

Brenda Oster
Finance Assistant

(602) 385-3814
boster@aiaonline.org

Gloria Sowers
Information Systems Administrator

(602) 385-3820
gsowers@aiaonline.org

Lorie Tranter
Administrative Assistant to the Executive Director

(602) 385-3812
ltranter@aiaonline.org

Dean Visser
Activities Coordinator

(602) 385-3821
dvisser@aiaonline.org

Gary Whelchel
State Commissioner of Officials

(602) 385-3816
gwhelchel@aiaonline.org