David Sierra, based in Denver, CO, US, is currently a IT Manager at Denver Intermodal Express. David Sierra brings experience from previous roles at RR Donnelley. David Sierra holds a 1986 - 1991 Colorado State University. With a robust skill set that includes IT Management, Software Project Management, Project Management, Change Management, Active Directory and more. David Sierra has 2 emails and 1 mobile phone numbers on RocketReach.
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