I am a dedicated lecturer who conducted groundbreaking research in the field of medical diagnostics. Born in Kota Marudu, fifth of 14 siblings with a passion for science and medicine, I pursued a Diploma of Medical Laboratory Technologist and a Bachelor's degree of Science (Biology), where I discovered my interest in laboratory research. Throughout my career, I excelled in both intrinsic work and research, earning a Master's degree of Science with Best Student Award (Science Cluster) and contributing to research projects in genomics and molecular diagnostics. I am publishing numerous publications and got recognition within the scientific community.

Puan Jecelyn Leaslie John holds Ijazah Sarjana Sains (Sains Perubatan) from Universiti Malaysia Sabah , among other qualifications, and has established themselves as a respected expert in their field.