Gaetano is currently employed as a post-doc fellow at the Department of Public Health Sciences, Karolinska Institutet, Stockholm, and at the Department of Infectious Diseases, Karolinska Hospital, Stockholm County Council. Gaetano has a PhD in Public Health (2010) from the University of Pavia (Italy), and a Master degree in Statistical and Economical Sciences (Faculty of Economics, University of Bari, Italy).
His main areas of research are HIV/AIDS epidemiology and antibiotic use and resistance. He has extensive collaborations with Public Health England, Swedish National Board of Health and Welfare, ECDC (European Center for Disease Control), AMREF (African Medical and Research Foundation) Kenya, AMREF Tanziania, R.D. Gardi Medical College (Ujjain, Madhya Pradesh, India), Tata Institute of Social Sciences (Mumbai, India), Makerere University (Kampala, Uganda) and National Centre for AIDS and STD Control (Kathmandu, Nepal). These collaborations have allowed him to gain skills in collaborating with researchers and policy makers from different countries, and with different social and educational backgrounds.
Since 2009 he is the course leader for the Research Methodology course, Master in Global Health, and since 2012 also lecturer for KI’s Master in Public Health track Epidemiology. The topics of these courses include epidemiology, study design, sampling methods, data management and biostatistics. Moreover, he has organised several data management training courses in Kenya, Uganda and Tanzania. He has published almost 30 scientific papers.