HDI, a Think Services company, is the world’s largest IT service and support association and the industry’s premier certification and training body, offering training in multiple languages. Guided by an international panel of industry experts and practitioners, HDI is the leading resource for help desk/support center emerging trends and best practices. HDI provides members with a vast repository of resources, networking opportunities, and the largest industry event—the HDI Annual Conference and Expo.

HDI has trained and certified more than 40,000 IT service and support professionals, imparting to them the soft skills they need to provide excellent service, increase productivity and profitability, and decrease call times.