Graduated from the school of Optometry in Waterloo, On., in 1989. She then did a one year post-graduate residency in pediatrics and vision therapy at the Southern College of Optometry in Memphis, Tenn.

She then returned home to Salmon Arm in 1990 and worked at Shuswap Optometric Centre until 2000. In 1998, Sicamous Vision Care Centre was set up as a satellite office to Shuswap Optometric Centre.

In 2000, Dr. Geier became the sole owner and main Optometrist at Sicamous Vision Care Centre, serving the Eagle Valley, Shuswap, and North Okanagan.