Bethea is a Senior Speech Therapist at Sengkang General Hospital. She has had 7 years of experience working in an acute hospital setting, as well as in outpatient clinics. With extensive experience in treating a variety of disorders, including swallowing, communication, and voice disorders, she has developed a clinical specialty in voice disorders. Bethea runs a weekly voice clinic, where she assists a diverse range of patients, including teachers, singers, and radio DJs, in overcoming their voice issues. Additionally,  Bethea collaborates with ENT specialists to conduct instrumental voice assessments, ensuring comprehensive care for those in need. Beyond clinical practice, she is dedicated to education and awareness, conducting voice care workshops for various organizations.