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Sales Team



Meet our Rockstar Sales Team, dedicated to the education market.



Aja Stickler
aja.stickler@southwestschool.com
909-980-7777



Aja is our AVP for Key Accounts. She has been with Southwest since 2007. She loves spending with with her husband and dog Austin, as well as traveling, shopping and triathlons.



Dennis Castro
dennis.castro@southwestschool.com
714-408-5038



Dennis has been with Southwest since 2019. Born in Queens, NY and raised in Southern California. His territory includes north Orange County. He loves coaching his 2 daughters softball teams and going on adventures with his family.



Jacob Larson
jacob.larson@southwestschool.com
626-265-9868



Jacob has been with Southwest since 2016. His territory is the San Gabriel Valley. He enjoys playing hockey, fishing and road trips.



Mark Loomis
mark.loomis@southwestschool.com
951-515-8819



Mark has been with Southwest since 1995. His territories are Riverside County,Southern San Bernardino County. He loves traveling and basketball.



Rob Johnson
robert.johnson@southwestschool.com
310-721-6019



Rob has been with Southwest since 1993. His territory is LA County. Rob was born and raised in Southern California. He enjoys camping and spending time with his wife, Shana, and 3 children.



Andrew Johnson
andrew.johnson@southwestschool.com
858-356-8589



Andrew has been with Southwest since 2014. He likes long walks on the beach, diving into a book on a raining day...and sporting events and hanging out with his family. He also loves playing the Kazoo!



Nancy DeVilling
nancy.devilling@southwestschool.com
951-703-8536



Nancy has been with Southwest since 2022, her territory is the High Desert. She is a self-starter who prides herself with exceptional customer-care skills. When not taking care of your imminent supply needs, you will find her enjoying the mountains with her family and springer spaniel, Daisy-May.



Rich Marini
richard.marini@southwestschool.com
209-637-6593



Rich joined the Southwest team in 2017 and covers the Stanislaus County.



Robert Ekwueme robert.ekwueme@southwestschool.com
408-469-1352



Robert joined the Southwest team in 2025. He covers the east bay area in northern California. A sports lover and former collegiate track runner, Robert enjoys hiking, athletics, and staying active.



Joe De La Cruz
joseph.delacruz@southwestschool.com
559-410-0790



Joe has been with Southwest since 2006. He covers central California. He loves spending time with his family & playing golf.



John Steele john.steele@southwestschool.com
805-405-0979



John joined Southwest in 2023. He covers north L.A../Ventura/Santa Barbara counties. In his free time he enjoys skydiving and spending time with his family.



1500 S. Dupont, Ontario, CA 91761
sales@southwestschool.com
909-980-7777
909-980-7159 Fax





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