Which of the owner of Portstewart Football Club is a former Northern Ireland international footballer and manager?
Portstewart F.C. Portstewart Football Club is an intermediate, Northern Irish football club from Portstewart, County Londonderry. The club was founded in 1968 and currently plays in the NIFL Premier Intermediate League. The club's main colours are sky blue and navy. Portstewart are nicknamed "The Seahawks". The club's home ground, Mullaghacall, was officially opened in 1997 by Harry Gregg MBE. Portstewart Reserves play in the Coleraine and District Morning League.
David O'Leary David Anthony O'Leary (born 2 May 1958) is an Irish football manager and former player. His managerial career began at Leeds United and later he managed Aston Villa. He most recently worked as the manager of Al-Ahli Dubai. The majority of his 20-year playing career was spent as a central defender at Arsenal. O'Leary's tally of 722 appearances for the North London side stands as a club record.