
Today, Keolis announced the appointment of Erika Mazza as the new VP of Keolis Operations for the western region of North America. Mazza brings over two decades of planning and operational management experience with an emphasis on economic development, urban planning, affordable housing, and transit to this role, where she will be responsible for leading the company’s operations across various modes in western North America.
Prior to joining Keolis, Erika Mazza served as Mountain Line’s CEO/GM, overseeing all aspects of this award-winning transit agency in Flagstaff, Ariz. She led and directed all business activities to ensure the organization provided safe, on-time service and oversaw 125 employees and a total transit budget of $43M. She previously served as Mountain Line’s deputy GM. A few of her successes during her tenure include: facilitating nearly 100 percent ridership growth, reducing accident frequency to 0.003 percent per mile, and lowering employee turnover from 15 percent to 2.5 percent, in addition to a current zero percent vacancy in open positions.
Mazza also serves on the APTA Board of Directors and the Transit Cooperative Research Program’s Oversight and Project Selection Committee. She is a graduate of the American Public Transportation Association’s Leadership Program and serves as Vice-Chair for the Legislative Committee.












