<P> In an earlier draft of the pilot script, dated February 6, 1998, McGarry is called "Leo Jacobi" and is described as being aged 55 and "professorial". </P> <P> Leo McGarry is from Chicago, Illinois born in 1948, though he seems to have some family connection to Boston, Massachusetts . He is of Irish and Scottish ancestry, and has at least two sisters, Elizabeth McGarry and Josephine McGarry, Ph. D., the latter serving as a school district superintendent in Atlanta . He divorces from his wife of several decades, Jenny, in late 2000 as his workaholic attitude is shown to take a toll on his personal life, with McGarry admitting that he considers his job in the White House more important than his marriage . He and his ex-wife have one daughter, Mallory O'Brien, who teaches fourth grade . McGarry is a recovering alcoholic and Valium addict . His father was also an alcoholic, who committed suicide . </P> <P> McGarry is a United States Air Force veteran, having flown a F - 105 Thunderchief with the 355th Tactical Fighter Wing out of Takhli Royal Thai Air Force Base in the Vietnam War . During the war, he was shot down and wounded . Prior to working in the White House, McGarry had been the United States Secretary of Labor during a presidency prior to the beginning of the show . He also speaks fluent Spanish . McGarry amassed significant wealth during his life in the private sector as a member of the board of directors of a defense contractor, Mueller - Wright Aeronautics, for ten or twelve years . He also worked for Cultico, a chemical - agribusiness firm that was blamed for a disaster in Haryana, India in the 1980s . On more than one occasion, it is made known that he is the wealthiest member of the staff - even more than the President himself . McGarry scored 1400 on his SAT . It is implied in the episode "And It's Surely to Their Credit" that McGarry is an attorney . It's also implied in the episode "The Portland Trip" that he has some association with the University of Michigan . </P> <P> In 1997, Leo travels to New Hampshire in an attempt to persuade his old friend Governor Josiah Bartlet to run for the Democratic presidential nomination . Having persuaded Bartlet, McGarry becomes his campaign manager and general chairman of the "Bartlet For America" campaign, hiring Josh Lyman, Toby Ziegler, C.J. Cregg, and Sam Seaborn as advisors . Eventually, Governor Bartlet, who was considered to be an insurgent candidate by the media, defeats Senator John Hoynes of Texas for the nomination and goes on to win the presidency, appointing McGarry as his Chief of Staff . </P>

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