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John Costello has a wealth of experience in various managerial roles, including Senior Certifications Process Manager at Pearl Certification, Senior Manager Engagement Services & Customer Service at Build It Green, and Strategic Operations Specialist at Everblue. John has also served as a Board of Directors Member at the Healthy Home Environment Association and Vice President at JKC Holdings LLC. John's background includes overseeing contractor engagement processes, managing education services, and supporting key contractors in utility programs. Throughout their career, John has demonstrated a strong commitment to organizational success and customer service excellence.