John Callahan
Operations Manager at Delek US Holdings
Others working in Delek US Holdings
Maneet Singh
Chief Information Officer at Delek US Holdings
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Yossi Hermon
Chief Executive Officer at Delek US Holdings
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Leah Whitaker
General Manager at Delek US Holdings
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Christine Duchesne
Information Technology Logistics and Operations Coordinator to Chief Information Officer at Delek US Holdings
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