Christopher Graff, PE, currently serves as the Director of Operations at Sioux Valley Energy since March 2021, following a decade-long tenure at Power System Engineering, Inc. (PSE), where the role of Lead System Engineer was held from March 2011 to March 2021. Previously, Christopher worked as a Transformer Design Engineer at T&R Electric from February 2009 to March 2011, focusing on designing and testing substation transformers and supervising a technician team. Early career experience includes a student internship at Cannon Technologies from May 2006 to August 2007. Christopher holds a Bachelor of Science degree in Electrical Engineering from South Dakota State University, graduated in 2008.
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