John Grehan's Location
Dublin, IE
John Grehan's Work
John Grehan's Education
John Grehan's Skills
John Grehan's Summary
John Grehan, based in Dublin, IE, is currently a Campaign Management Account Executive at Omnicom Media Group, bringing experience from previous roles at Greyhound Ltd., Jobs.ie and AbbVie. John Grehan holds a 2020 - 2021 MSc in Electronic Commerce in Business & Digital Marketing @ Dublin City University. With a robust skill set that includes Microsoft Office, Customer Service, Microsoft Excel, Management, Leadership and more, John Grehan contributes valuable insights to the industry. John Grehan has 1 email on RocketReach.