John is the president of Stone Environmental Inc. He has 30 years of experience in conducting studies for registration of pesticides under FIFRA. He routinely provides expertise in surface drinking water monitoring, watershed and field-scale runoff monitoring, field deposition (drift), runoff monitoring under simulated rainfall, small-scale prospective groundwater studies, and retrospective groundwater studies. John brings strong technical and business perspectives to his role as president, and has been pivotal to the growth and success of Stone over the last three decades.