John Sidman

John Sidman is a finance and strategic sourcing professional with extensive experience in operational management and commercial development. Currently serving as the Senior Manager of Operational Finance and Strategic Sourcing at Tellus Products, LLC since July 2023, John previously held the role of Senior Product Manager. Prior to this, John worked at ASR Group as a Commercial Development Program Associate from August 2021 to July 2023 and engaged in various positions at Tellus Products, including MBA Associate in Strategic Planning & Business Development and MBA Summer Associate. From 2013 to June 2019, John was a Senior Estimator and Consultant at Strategic Estimating Systems, where responsibilities included leading project estimates, managing client relationships, and providing expert consulting in the petrochemical and pharmaceutical sectors. John holds an MBA from Columbia Business School and a BS in Chemical Engineering from Columbia University.