Mwelwa graduated from Curtin University in 2016 with a Bachelor of Science in Oral Health Therapy. Mwelwa has worked in hygiene and therapy roles in both general and orthodontic settings in a number of clinics in Perth.

Mwelwa has a particular interest in preventative dentistry and periodontal care, as well as providing dental care for people living with special needs in a general dental setting.

Mwelwa is an advocate for individuals living with sickle cell disease and the need for better education and awareness of its management in emergency medicine. Outside of work, Mwelwa enjoys all aspects of interior design and home organisation and spends her spare time helping people to declutter their homes and create functional organised spaces.