Mark Seibert (born 1960) is an American musician, composer, and producer best known for his work on various video games from Sierra Entertainment.
Seibert was born in California, U.S. From 1979 to 1986, he performed guitar and vocals for a Christian band called Omega Sunrise.
He obtained his Bachelor of Arts in music at California State University, Fresno in 1983, and also started on a second degree in Math in 1986.
In 1987, Seibert answered a newspaper advertisement from a computer game company called Sierra On-Line.
After several months of delay, the company hired him as a musician and music editor for King's Quest IV: The Perils of Rosella.