Sean Doherty

Sean Doherty

Head of Enterprise, Public Sector and IoT at Three
Sean is responsible for Three’s largest Enterprise customers and all Public Sector and Internet of Things (IoT) business. With more than 20 years of experience in the industry, his focus is to implement successful growth strategies and ensure the team he leads has a dynamic, challenging and rewarding working environment.

Prior to joining Three, Sean held senior sales roles at BT Ireland and had global responsibility for some of the largest accounts in BT’s portfolio. He joined O2 in 2010 and established the Multinational Sales team. There he led the integration with the Telefonica Group from a sales and customer service perspective. Sean was also at the forefront of large managed network service, hosted UC and managed devices deals for international enterprises, leading the way in transforming O2 to a Total Communications Supplier.

Since Three Ireland's acquisition of O2 Ireland in 2014, Sean has taken responsibility for all aspects of growing the Enterprise and Public Sector business, and has been heavily involved in the strategic direction and accelerated growth of the IoT business.

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