Originally from Swansea, South Wales, Annemarie graduated with a BA (Hons) in Performing Arts from Middlesex Polytechnic in 1989. The degree majored in music with voice & piano as joint first instruments and trumpet as her third instrument. On leaving college she co-founded the TIE Top Hat Theatre Company, writing original mini-musicals for schools on any subject the schools required.
In 2009 Annemarie opened her own drama college – The MTA. In 2012 it was named as the School of the Year in The Stage 100 Awards. In 2017 it became the only college to win the award for a second time.