Orestis Nalmpantis started playing guitar in 2001 , inspired by bands like Metallica, Deep Purple, Black sabbath, Iron maiden and so many
In 2003-2004 he started his first band with some good friends here in Thessaloniki. The band name was E.coli.
Later on he got hooked up with Death metal bands like Cannibal Corpse, Deicide and Suffocation and Thrash metal bands like Exodus, Pantera, Slayer, Testament and his band G.A.K was born and now in 2012, they are getting ready to release their second G.A.K album
In 2004-2005 he joined the Thrash metal band Drunkard. He did several concerts all over greece and recorded in 2008, the album Like Sin Explode at Hertz studios in Poland(Decapitated, Behemoth, Vader etc).
In 2006-2007 he joined the well known Greek Modern Rock Band , Mavri magioneza. Together they released Katevase tous in 2010, made the fist online concert ever in Greece, and had a concert with the great help of Mr Freeman , the famous youtube Russian Rebel. In 2012 he joined one of the most known greek heavy metal bands, Sarissa. This band has many gigs per year and in the late 2013 you should expect a new album that will include some of his own compositions in it.
Throughout the years he had many teachers who inspired him like Stavros Rousopoulos (Ksilina Spathia) , Sakis Zachariades ,and Vaggelis Tsotridis.

A huge help for him was the online lessons he had with the metal/neoclassical guitarist Christian Muezner, well known from bands like Obscura, Necrophagist and Spawn of Possesion. He also had the honor to have a lesson with the guitar God Guthrie Govan and the Swedish Fusion/rock guitarist Richard Lundmark. He was also part of many guitar clinics like Pat martino, Greg Howe, Guthrie Govan, Roland Dyens and Teo Kapilidis. The last 7 years he is a professional guitar teacher, here in his hometown Thessaloniki. He had more than 80 students so far, and most of those guys are now some of his best friends.
Orestis is Endorsed by Rick Hanes Guitars, Line 6, Steve Clayton Picks, Bulk strings, Stageworks gear, Deeflexx

Professional sessional  guitarist and teacher.