Denis Coakley.

Chief Operating Officer

Denis Coakley

Denis Coakley joined Cornerstone as Chief Operating Officer (COO) in March 2019 and is responsible for the smooth running of overall operations to deliver service excellence to Cornerstone’s shareholders and their customers.

Previously, Denis served as VP and Managed Service COO for Ericsson, delivering network, ICT and digital entertainment services for clients such as Liberty Global and T-Mobile across Europe and North America. Denis has over 24 years of experience in the wireline and mobile Telecommunications sector, having held senior executive, consulting and operational roles in Three UK, Virgin Media and Ericsson.

Denis holds an MBA from Henley Business School and is an engineering graduate of UCC.

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