McKenzie has worked and lived in Seattle, New York, Los Angeles, San Francisco, and Chicago, where she has produced and performed for the stage and television.

She co-founded the New Age Vaudeville theater company as well as co-producing and directing their biggest cult hits, An Evening With Elmore & Gwendolyn Putts, The Neighbors Next Door and The TV Dinner Hour, both written by Richard O’Donnell and featuring herself, O’Donnell, Megan Cavanagh, Todd Erickson, Bobby McGuire, Peter Neville, Michael Dempsey, Lisa Keefe, Caroline Schless, Tom Purcell (writer for The Colbert Report) and Del Close.

"[1] McKenzie has directed and acted in numerous productions at the Peninsula Players, America's oldest residential summer theater, as well as founding and producing their fall season in the early 1980s.

In 1998, McKenzie produced and directed the new musical comedy Wish Wisconsin, written by Richard O’Donnell to celebrate the state's 150th birthday.

It opened on January 2, in the Fish Creek Town Hall Auditorium in Door County, Wisconsin.