Dr. Mariani Binti Rajin is a distinguished researcher at Fakulti Kejuruteraan, University Malaysia Sabah. Their research focuses on 1) Extraction of phenolic compound from plant 2) Enzyme mediated reaction, .

As a member of Fakulti Kejuruteraan, they contribute significantly to the academic and research community at UMS through their expertise and dedication to advancing knowledge in their field.

Dr. Mariani Binti Rajin holds Ijazah Doktor Falsafah from Universiti Sains Malaysia , among other qualifications, and has established themselves as a respected expert in their field.