-Faculty of Medicine, Airlangga University

-Consultant Clinical Pathologist, Airlangga University

-Clinical Pathology Dept., Sutomo Hospital Surabaya

-Laboratory Medicine - RPA Hospital, Sydney

-Endocrine Laboratory, Chelsea Hospital London

-Endocrine Laboratory, Sutomo Hospital Surabaya

-Senior Lecturer - Chemical Pathology Dept - School of Medical 

-Husada Utama Specialist Hospital, Surabaya

-Associate Professor- Medical Faculty, International Islamic University Malaysia (IIUM), Kuantan, Malaysia

-Lecturer- Medical Faculty, Ciputra University