JW4 is a consulting and management service organized by John Ehrnfelt based in Cleveland, Ohio. The goal of JW4 is to assist project stakeholders with remediation construction planning and management. John is an Ohio-registered Professional Engineer (PE.81252) with an extensive background in remediation and environmental construction across the country. John’s experience includes environmental consulting, remediation planning, heavy civil construction, remediation construction, estimating, project management, strategic planning, and executive leadership. JW4 aims to utilize this unique combination of industry experience to serve as a bridge between environmental consultants and contractors to create more successful remediation projects.