Gerald "Gerry" O'Reilly is an Irish Olympic middle-distance runner.

He represented his country in the men's 1500 meters at the 1988 Summer Olympics.

His time was a 3:43.23 in the first heat.

[1][2][3][4][5] Gerald has worked at Vanguard since March 1992 and is now a Principal Portfolio Manager, overseeing over $800B in assets, including the Vanguard Total Stock Market Index Fund (VTSAX) which is the third largest US mutual fund by assets under management.

This biographical article relating to Irish athletics and track and field is a stub.