Pearllyn joined the Dyslexia Association of Singapore (DAS) in 2016 as a Specialist Psychologist. She has since completed the Master of Arts in Applied Psychology programme at the NIE and is a Registered Psychologist with the Singapore Psychological Society. Pearllyn is currently the Assistant Director of the SpLD Assessment Services at the DAS, a team that provides psycho-educational assessment services and facilitates the placement of students in learning programmes at the DAS. She also conducts psycho-educational assessments for children to determine their learning profile and is involved in the Research Committee at the DAS.