John GleasonDirector of Quality and R&D
John came to Jost Chemical in October 1992. Before joining Jost, John worked as a senior research chemist for the Ethyl Corporation and Monsanto. He earned his bachelor’s and master’s degrees in chemistry from Saint Louis University, followed by an MBA from Washington University. John is responsible for product development, while leading an experienced team of professionals in delivering world-class products that satisfy customer needs and expectations.