Valerio Coltellini is a consultant oenologist and agronomist based in Tuscany. He was born on 24 April 1955 in San Casciano dei Bagni (SI) in the Province of Siena. He lives in Montepulciano. From 1988-2005 he was Direttore Tecnico, Enologo at the Montepulciano cooperative, the Vecchia Cantina di Montepulciano.