Mark-Jusbasche (born August 13, 1954, Kirksville, Missouri), known during her international business career as Rebecca Mark, is best known as the former head of Enron International, a subsidiary of Enron.
She was also CEO of Azurix Corp., a publicly traded water services company originally developed by Enron International.
Mark was promoted to Vice Chairman of Enron in 1998 and was a member of its board of directors.
She resigned from Enron in August 2000.Since leaving Enron in 2000, she has been focused on water, energy technology, and agricultural projects.
She is President of Resource Development Partners, Chairman and CEO of Dredgit Environmental, and Chairman of WaterHealth International.