Subject(s): Gender mainstreaming. -- Policy scientists. -- Political planning -- Knowledge, experties and public policy- changing relationship between science and public policy, Gender mainstreaming and gender expertise -- Conceptualizing gender expertise- locating expertise in gender expertise : Context, naming, zones, dimensions, necessity, negation, interdependence, casual relationship, traveling and operationalization guideline -- Locating the experts- identifying actors- mapping them : Gender expert activities, locating policy expert-examining the RNGS data -- Identifying the ingredients of policy success : Non feminist theories of public policy and integrations for expert success, feminist comparative policy literature and ingredients for success -- Triangulating the factors that impact success- searching for common explanations of policy success, assessing factors that impact success of gender experts in public policy: understanding qualitative comparative analysis, research network on gender, politics and state, explaining gender expert policy success- conditions utilized in QCA analysis, crisp-set qualitative comparative analysis of gender -- Gender expert success in public policy- towards a better understanding , generalizability -- gender & development