In viticulture, consultants are in different areas like soil Science. Weingarten Care, Cellar technology and winemaking as well as sales and marketing. Such specialists are particularly sought after when founding or reorganizing wineries and wineries. Many supermarket chains, restaurants and airlines can also get advice from them. The top people are mostly trained oenologists and or ampelographers, One of the most famous and the first is the already legendary native Russian André Tchelistcheff (1901-1994), first in California Napa Valley and later also worked in Europe. The German agricultural engineer and author of many wine specialist books Dr. Hans Ambrosi (1925-2012) was 11 years in South Africa worked at various wineries.
The oenologist Professor Émile also worked internationally Peynaud (1912-2004). His French successor was Michel, who was trained in Bordeaux Rolland (* 1947), who in his heyday advised over 100 wineries worldwide, and increasingly also internationally Stéphane Derenoncourt (* 1963). A well known advisor in Italy is Riccardo Cotarella (* 1948). Californian David is only active in his home country Abreu, The "Hungarian wine magician" Tibor Gál (1958-2005) gained its reputation especially in Italy. An exceptionally profound specialist in terms of Varieties determination was the French Professor Pierre Galet (1921-2019). This offered advice on the suitability of grape varieties for certain soils worldwide. The term was used for overseas consultants operating worldwide Flying Winemakers popular. The Wine consultant is a special focus. For the various functions and wine-making professions see under viticulture training,