Lorraine Heinrichs has taught mathematics for over 30 years and IB mathematics for 18 years at Bonn International School where she also held the position of DP coordinator for 15 years. Lorraine enjoys various roles with the IB. She is highly experienced in assessment for Mathematics HL. She has been a workshop leader for the IB since 2002, facilitating workshops, mainly in Mathematics HL. She participated in the last two curriculum reviews for mathematics.