John Grennan

John Grennan is an experienced marketing professional currently serving as the Marketing Manager at IT.ie since August 2015, where strategic planning and execution of marketing initiatives drive business growth in the Managed IT Services sector. With a distinguished career in the Defence Forces of Ireland from April 1994 to September 2021, John held the position of Aide de Camp to the President of Ireland, ensuring effective coordination of official engagements and ceremonies. Prior experience includes service in the Defence Forces Military Police, which fostered a strong work ethic and ability to perform under pressure. Academically, John holds an MSc in Digital Marketing from Dublin City University and a Higher Diploma in Business Management from the Institute of Technology, Carlow.