David Costello is an accomplished professional with extensive experience in sales and customer service within the power systems industry. Currently, Costello serves on the Board of Directors for Lester Electrical and Electrical Grid Monitoring. Previously, Costello was the Chief Sales and Customer Service Officer at Schweitzer Engineering Laboratories until May 2024, where David provided global leadership in sales, customer service, and technical support. With a career spanning over 35 years, Costello has held various key roles, including Field Application Engineer and Power Systems Protection Engineer, demonstrating expertise in both technical and leadership capacities.
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