WSSH Executive Team

Professor David Lewis

Leader of our Executive Team, David Lewis is a Conjoint Professor at the Sydney Medical School and a Senior Staff Specialist at Western Sydney Local Health District. He is President of the International Union Against Sexually Transmitted Infections (IUSTI).

Clinical Services Lead
Dr Catriona Ooi

Catriona Ooi is a Sexual Physician and Senior Staff Specialist at the Western Sydney Sexual Health. She is the WSSH Clinical Services Lead and holds a clinical academic appointment with the Sydney Medical School, University of Sydney as a Senior Lecturer.

Education Lead & Clinical Academic
Dr Shailendra Sawleshwarkar

Shailendra Sawleshwarkar is a Senior Lecturer, Education Co-Lead and Clinical Academic at the Sydney Medical School, University of Sydney and Western Sydney Local Health District. He has been involved in coordinating the Masters Program and development of short courses for a diverse range of healthcare providers. He has international collaborations in capacity building of health professionals through development of innovative educational approaches.

Nurse Unit Manager
Jennifer Walsh

Jennifer Walsh is the Nurse Unit Manager, WSSH Clinical Services, Parramatta, Mt Druit and Outreach services which is a department of Infectious Diseases, Westmead Hsopital.

Member Australiasian Sexual Health & HIV Nurses Association (ASHHNA).

Manager - HIV and Related Programs Unit
Ashley Ubrihien

Ashley is the Manager of the HIV and Related Programs (HARP) Unit and has responsibility for managing HIV, STI and BBV strategic planning and governance across Western Sydney Local Health District. Ashley directly manages the Health Promotion and Needle and Syringe Programs teams and has a keen interest in the area of Public Health Interventions and Health System Redesign.

Business Manager
Celine Crowther

Celine is the Business Manager for Infectious Diseases and Sexual Health. She is based at Westmead Hospital.
She has affiliations with WIMR (The Westmead Institute for Medical Research).