He was a member of the N.R.A sent to S.T.A.R.S, he has a two daughters and a wife. He shares a close relationship with Chris and Jill.

(Mansion incident)(SPOILER)

Barry was blackmailed by Wesker he was told to betray the S.T.A.R.S members if not they would have had his wife and daughters killed. In the end Barry had come into concious what was right and wrong and help Jill, Chris and Rebbecca to escape.

(City of the dead)

Barry appears again to save Jills life by recuing her by helicopter and escaping the city moments before the nuclear blast.

(Resident Evil Gaiden)

Barry and Leon team up to investigate an Umbrella cruise ship.