Adam Bryanbaum Wiltzie (born September 17, 1969)[1] is an American composer and sound engineer based in Brussels, Belgium.

[4] Wiltzie is best known for his work as a founder of seminal ambient classical projects Stars of the Lid,[5][6] The Dead Texan, Aix Em Klemm and A Winged Victory for the Sullen.

[7][8] He has also recorded, played with, and worked as a live sound engineer for artists such as The Flaming Lips, Mercury Rev, Labradford, Bedhead, Pip Proud, The Bad Livers, Windsor for the Derby, Ed Hall, Iron & Wine, Jóhann Jóhannsson, Hauschka and Sparklehorse.

He has written the original scores for several film and television productions including Salero, The Yellow Birds and Iris.

[9] He also collaborated with Jóhann Jóhannsson on his scores for The Theory of Everything and Arrival, and wrote two of the main themes with Dustin O'Halloran in the 2016 Oscar-nominated film Lion.