Karrie has spent the last 25 plus years as the monitor engineer for Pearl Jam. Karrie started out doing sound for punk bands in Los Angeles in 1986 under the tutelage of Dave Rat of Rat Sound, where she spent twenty years helping to establish the company. She was able to gain an immense amount of hands-on experience and technical knowledge at Rat, which eventually led to her becoming the monitor engineer for The Red Hot Chili Peppers from 1990-2000. She first met and started working with Pearl Jam who opened for RHCP on their 1991-1992 Blood Sugar Sex Magic Tour. She has worked with Sonic Youth, Fugazi, and more.