Established in 2008, Litmus Wines is owned and operated by John Worontschak, Mike Florence and Mathieu Elzinga and is based at Denbies Wine Estate in Dorking, Surrey. John Worontschak is an international wine business consultant with over 30 years experience. John has worked with wineries in virtually every wine producing country in the world providing advice in all aspects of the wine industry. Mike Florence has worked in the wine industry since 1994 and has extensive managerial experience in many different facets of the wine trade. Prior to joining Litmus Mike spent 9 years running the International Wine Challenge. Matthieu Elzinga joined Litmus Wines as a partner and shareholder in October 2014. He was previously Managing Director and winemaker of his family's 210 Ha estate in Muscadet for 11 years. Matthieu is the Litmus Wines winemaker.