David Leach has an extensive background in sales management and proposal development within the environmental services industry. At Waste Management, Inc., from 2002 to February 2013, David served as a National Technical Service Representative, managing inside sales, customer service, and billing support for key remediation clients. Subsequently, at Tradebe Environmental Services, LLC., from 2013 to 2024, David held the position of Senior Proposal Manager, where responsibilities included developing proposals for RFP/RFQ opportunities and managing vendor qualification packages. Currently, since August 2024, David is the Senior Manager of Sales Process at Xylem, overseeing the complex proposal assembly process with input from various departments. Educational credentials include a BS in Biology from Central Michigan University, complemented by foundational education at Countryside High School.
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