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HollyFrontier Corporation
Zach Zmoos Cih

Zach Zmoos Cih

Manager, Safety, ERT & Security at HollyFrontier Corporation

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Manager

Christopher McGuirk

Director, IT Commercial And Finance

Peers

Roberto Molina

Reliability Manager

Jonathan Marks

IT Procurement Manager

David MacHt

Manager, Regional IT Site Operations

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Timeline

Manager, Safety, ERT & Security
July, 2021 - present
Safety Supervisor
March, 2019