Lieutenant-Colonel Annie Lapointe was born in St-Georges de Beauce, Quebec, on 16 December 1968. She enrolled in the Canadian Forces in the Regular Officer Training Plan. She obtained an undergraduate degree in fuels and materials engineering from the Royal Military College of Canada in Kingston, Ontario, in 1991.

After her basic training at CFSME, she worked in the construction engineering section at Valcartier as a planning officer. In 1994, she was posted to 5 Combat Engineer Regiment (5 CER) where she held the positions of troop commander, squadron second-in-command and captain-adjutant. In 1996, she was deployed to Bosnia as G5 Ops with CCIFOR HQ.

From July 1997 to July 2001, she worked as facilities manager at the Montreal Garrison and completed the Canadian Land Force Command and Staff Course. She was promoted to major in 2001 and was posted to 5 CMBG as G1. In 2003, she returned to 5 CER and commanded 58 Headquarters Squadron.

In 2004, she was posted to the Combat Training Centre in Gagetown where she held the positions of G4 and G8 until July 2007, at which time she was posted to Ottawa as career manager for the combat engineers.

On 28 July 2008, Lieutenant-Colonel Lapointe was appointed Area Engineer of Land Force Quebec Area/Joint Task Force (East) and commandant of the Engineering Services - 5 Area Support Group. On 4 August 2009, after 22 years of service, she released from the Canadian Forces so that she could spend more time with her children, Samuel, aged 8; Justin, aged 6; and Ann-Sophie, aged 4.