Adam Jonathan Dutkiewicz (born April 4, 1977) is an American musician, recording engineer, songwriter, and music producer, best known as the lead guitarist and backup vocalist from Massachusetts metalcore bands Killswitch Engage, Aftershock, and Times of Grace, as well as the guitarist and co-lead vocalist for the melodic death metal supergroup Serpentine Dominion.
Dutkiewicz, of Polish, Austrian, Scottish, and English descent, was born and grew up in Westhampton, Massachusetts. Dutkiewicz attended Hampshire Regional High School. Dutkiewicz also later attended the Berklee College of Music in Boston, studying production, audio engineering, and bass guitar. While at college, he began playing in the band Aftershock with friend Joel Stroetzel. Stroetzel would later join Dutkiewicz, Mike D'Antonio, and Jesse Leach in forming Killswitch Engage. Dutkiewicz was the drummer of Killswitch Engage, until the release of its second album, Alive or Just Breathing, when he moved to guitars, and Tom Gomes became the band's drummer.
He has assumed the role of producer on all of Killswitch Engage's records, except on their second self-titled album Killswitch Engage, which was released June 30, 2009. For this album he took on the job of co-producer alongside Brendan O'Brien (known for his work with AC/DC, The Offspring, Pearl Jam, Rage Against the Machine, Incubus, Mastodon, and Stone Temple Pilots). Adam has also produced for the bands As I Lay Dying, Underøath, The Devil Wears Prada, The Acacia Strain, Unearth, All That Remains, From Autumn to Ashes, Johnny Truant, Parkway Drive, The Agony Scene, Every Time I Die and others. He has been compared to Ross Robinson, producer of many nu metal albums, because of his influence on modern metal and shaping the sound of melodic metalcore. He is also an engineer for Zing Recording Studios, which has produced for numerous artists, including several from Tooth & Nail Records and its heavy metal sub-label Solid State Records.

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