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Barry O'Sullivan is a seasoned technology and sales professional with extensive experience in strategic solutions and enterprise sales. Currently serving as Senior Vice President of Strategic Solutions at Five9 since September 2011, Barry O'Sullivan specializes in engaging C-level executives and driving strategic opportunities across the organization. Previously, Barry held positions at Five9 as Vice President of Strategic Solutions and Consulting Solutions Engineer, focusing on custom enterprise solutions. Barry's career spans various leadership roles in product management and technical sales across multiple companies, including Birst, Ardence, Unveil Technologies, ProQuent Systems, Cisco Systems, GeoTel Communications, and Fidelity Investments. Barry O'Sullivan holds a Bachelor of Science degree in Economics from Colgate University.