John Maginley was born in St. John's, Antigua on the 13th January 1960. He attended the Ms. Robinson and St. Michael's Schools in Antigua, The Lodge School in Barbados, The Princess Margaret Secondary School in Antigua, The Palm Beach Junior College in Florida and The Louisiana Technical Institute in Ruston, Louisiana, USA. He achieved a Bachelor of Science Degree in Finance at the Louisiana Technical Institute and graduated in 1981.

He has also attained a Certified Tennis Professional, Pro 1 certification from the United States Professional Tennis Association.

John Maginley is an entrepreneur experienced in the issues surrounding the duty free market, sporting goods, retail and wholesale.

John Maginley was the Managing director of Jody Company 1996-2001, Managing Director of Tennis concepts 1987-1997, the Director of tennis at the Jumby bay Resort 1987-1991, the Director of tennis at the Curtain Bluff Resort 1991-1997 and the General Manager at the Sticky Wicket Restaurant 2002-current.

He has been a member of the UPP Rural North constituency branch since 1991. John Maginley is also a member of the USPTA, the Rotary Club of Antigua, The Antigua Cricket Association and The Antigua Tennis Association.

He is the father of two children; Jody and Aliah Maginley; he believes in strong family values and that strong families build strong communities.