Joe Cantwell is a senior engineer with more than 40 years of experience in the planning, design, operation, and marketing of water/wastewater capabilities to local, state, and federal agencies, as well as private sector entities. He is presently the water/wastewater energy efficiency and renewable energy (biogas) program manager for the Wisconsin Focus on Energy program, a multi-year project to identify, assess, and implement methods to achieve energy efficiency and market transformation. He is also a technical reviewer for renewable energy projects for wastewater applications.