HSG research HSG’s five schools employ a total of 105 professors. Our research platform offers access to more than 45,000 publications. Distribution of HSG professors among the HSG Schools A total of 105 professors of all ranks (87.3 full-time equivalents) are currently employed at HSG. Number of publications on Alexandria research platform The platform provides access to: about 45,000 research publications, of which 32 per cent can be read directly on the platform; information about current research projects, research news, statistics, and academics' personal profiles. HSG’s entrepreneurial units There are 42 institutes, research centres and centres at HSG, which are run as autonomous, entrepreneurial units.