John Oh possesses expertise in operations management, supply chain management, supply management, sap, inventory control. Colleagues describe him as "John has been a very important contributor to my organization in his role as Materials Program Manager. In that role I have interacted directly with John when he was assuring that we had critical materials needed for supplying our leading customer's demand. He also partnered with our Global Supply Chain organization to lead a product margin maximization initiative. He communicated to senior management the progress attained. John has been very effective in his role in my organization."