"Fierce riffage combined with some blazing single note action- Jack Kosto`s playing on the new Seven Spires record is really quite good. Also, when considering the fact that Jack `s still a young player with years of development ahead of him, it`s even more impressive. In time I can see Jack evolving into one monster of a metal player." - Joe Stump Jack Kosto is a young, Boston-Based metal guitarist, specializing in intense shred and heavy riffs mixed with melodic rock and classical influences.

Jack was accepted to the prestigious Berklee College of Music in Boston, Massachusetts at the age of 15, and is one of the youngest individuals to ever be accepted to the College.

Since the spring of 2012, Jack has been diligently studying many different styles of music, and he is currently pursuing a degree in Performance under the guidance of Neoclassical Shred master Joe Stump (HolyHell, Reign of Terror, Exorcism). He has also mentored and performed with acclaimed Shred Guitar pioneer, Michael Angelo Batio (Nitro, Holland).

In addition to performing with many diverse acts since he began playing guitar at 13, Jack is a founding member and co-writer for Dark Symphonic Metal act Seven Spires (sevenspiresband.com), who released their debut concept EP, "The Cabaret of Dreams", in the summer of 2014. Their debut full length concept record (mixed and mastered by SaschaPaeth) will be released in 2016.