Currently, Dr. Praja works as a faculty member at Department of Microbiology, Faculty of Medicine, Universitas Palangka Raya, Indonesia. He earned PhD in Biomedical Sciences (Immunology) from Khon Kaen University, Thailand. He received a professional degree as a Doctor of Veterinary Medicine and Master's Degree in Biomedical Sciences from Udayana University, Indonesia. His works mainly focus on zoonotic diseases in the tropical area.