Sean Tierney has extensive experience in the energy sector, currently serving as an Operator III at Calpine since February 2020. Prior to this role, Sean was a Control Room Operator at Invenergy LLC for approximately three years and worked as an Auxiliary Plant Operator at Panda Power Funds from February 2015 to July 2017. Earlier career experience includes a position as a Technician at Procter & Gamble from August 2012 to January 2015. Sean graduated from Carbondale Area High School between 1991 and 1994.
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