Stefanie Krosch, based in Lucerne, LU, CH, is currently a Category Manager at Gubelin, bringing experience from previous roles at Gubelin, Blesq, Embassy Jewel AG and WEMPE. Stefanie Krosch holds a 2015 - 2017 Gemmologist @ GIA (Gemological Institute of America). Stefanie Krosch has 1 email on RocketReach.