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Rackspace co-founder Graham Weston speaks at the ScaleUp Summit at the San Antonio Marriott Rivercenter.

Graham Weston became a member of the Cullen/Frost Bankers board of directors in 2017. Credit: Bonnie Arbittier / San Antonio Report

Rackspace co-founder Graham Weston speaks at the ScaleUp Summit at the San Antonio Marriott Rivercenter.