John Callahan is a Technical Support Manager currently working at IONNA, specializing in EV charging technical support. Previously, Callahan managed field services at Boon Edam USA, ensuring on-site efficiency and customer satisfaction across the US and Canada. They also held roles at Boon Edam Inc. and Mobile Communications America, providing technical support and oversight for significant projects and operations. Callahan served as a Satellite Communications Technician in the US Army, where they provided technical assistance and resolved engineering challenges. Their diverse experience reflects a strong background in technical support, project management, and customer relations.
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