As the Master Trainer at CMA, Ms Cheng Koon Kheng oversees teaching methodologies, curriculum planning, and maintain high standards of teacher quality. She personally conducts abacus and mental arithmetic lessons while monitoring student progress. Additionally, Ms Cheng supervise significant events including national competitions. Within curriculum planning, she reviews and enhances programme standards, ensuring alignment with educational objectives. Ms Cheng designs comprehensive training programs aimed at refining trainers’ skills, and she leads the Certified Trainer’s Course.