Karen received a Bachelors Degree in elementary education with a concentration in the biological sciences from Miami University. She received her Masters Degree in reading education from Xavier University. Karen's teaching career began in the Toledo Public School system where she taught 1st and 2nd grade.
Karen moved back to the Cincinnati area in 2000, she accepted a position teaching 4th grade at Our Lady of the Rosary School in Greenhills. After having her first two children, Sam (MTCES class of 2016) and Anna (class of 2018), Karen became the part time reading specialist at St. Clement School. In 2005, she joined the faculty at MTCES and worked closely with Amanda Ocariz to develop the growing school's junior high program. Karen was then blessed with her youngest child, Claire (class of 2022). For the past 13 years, Karen has served the school as an intermediate and junior high level teacher.
Karen has been married to her wonderful husband, Lee, for 19 years. The Geigers reside in Liberty Township.