Marie Therese graduated B.Sc (Hons) in Chemistry and Biology from the University of Malta in 1979 and obtained the Post Graduate Certificate in Science Education (PGCE) in 1992 after which she started teaching at secondary school level. In 1999 Marie Therese obtained her PPL (Private Pilot Licence). In 2008 She got her B.Psy (Hons) degree and worked at Appoġġ as a volunteer dealing first hand with clients presenting with problems such as domestic violence, mental health, suicide and other similar issues. She helped victims and perpetrators of abuse, online bullying, human trafficking, etc. Gender equality has always been central in her studies and work and became more so after she obtained her Diploma in Social Studies, (Gender and Development) in 2013.