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Mark Walraven currently serves as the Vice President of Sales Channel Operations at Duravent Group since February 2024. Prior to this role, Mark held various leadership positions at Hart & Cooley from September 2008 to February 2024, including Vice President of Sales for the Commercial Products Division and VP of Portfolio Optimization and Go To Market Strategy, overseeing sales and profitability across multiple brands. Mark began professional tenure at Hart & Cooley, Inc. as a Regional Sales Manager, managing wholesale sales in the western United States. In addition, Mark has experience managing the implementation of Oracle eBusiness Suite-Release 12, consolidating five ERP systems into a single instance. Mark earned an MBA in Business from Grand Valley State University and a BA in Sports Medicine from Calvin University.