Dr. Denny is an associate professor at Diponegoro University, Faculty of Public health. She focuses on Public Health, Major in Environmental and Occupational Health, and obtained She obtained her educations from Indonesia (BSPH), the Philippines (MPH), and the USA (Ph.D.). She is the former President of the Indonesian Public Health Union (PERSAKMI) from 2008 to 2017, former Dean of Faculty of Public Health, Diponegoro University in 2015 to 2019, and an independent consultant in Occupational Health and Safety for WHO, ILO, Ministry of Health Indonesia, and GTZ as well as the member of The National Council of Occupational Safety and Health, Republic of Indonesia. She was invited to deliver her speeches about Occupational Health held by the International Commission on Occupational Health (ICOH), World Safety Congress, WHO, and Institute of Medicine Washington DC, USA. Subsequently, she developed the global health course for the Master of Public Health Program. She became a guest lecture for global health and neglected tropical diseases for the MPH major in global health students at USF Tampa, Florida, on February 26 to 28, 2019. As one of the invited panelists for the 33rd International Congress on Occupational Health 2022, she will be presenting: "Effectiveness of basic occupational health services in the informal sector." https://icoh2022.net/keynote-and-plenary-speakers/