Heather Dalmolin
CEO & General Manager

Executive Department

Heather started at Mountain Line in 2002 as the Accounting Tech II and served as the Administrative Director before being appointed to the CEO and General Manager role in August 2020. The Executive Department serves as the liaison with the Board of Directors and Transit Advisory Committee and uses their guidance to develop and implement a strategic plan for all Mountain Line departments. Heather works closely with Mountain Line’s member agencies (City of Flagstaff, Coconino County, Coconino Community College and Northern Arizona University) to work toward a seamless delivery of transit services across the region. This department also spearheads the delivery of Mountain Line’s mission of “Getting You Where You Want To Go” and establishes a company culture that permeates the entire organization.


Jacki Lenners
Deputy General Manager

Marketing & Communications Department

Jacki joined Mountain Line in 2012 as the agency’s first in-house marketing and communications employee. As the Deputy General Manager she oversees the agency’s marketing, communications, and grant functions and provides leadership on state and federal transit issues. The Marketing & Communications Department is charged with promoting Mountain Line and its services, garnering positive community and media support for the organization, providing customer service, and developing all printed communication pieces, such as the Ride Guide. This department manages all of Mountain Line’s social media accounts, conducts community relations, and serves as the agency’s public information office. This department also coordinates with local government entities on the role of transit in overall regional planning, oversees Mobility Management, and is responsible for grant writing and delivery of associated projects.

James Wagner
Operations Director

Operations Department

Jim oversaw the original Mountain Line launch in 2001 and rejoined the agency as Operations Director in 2006. The Operations Department is Mountain Line’s largest department, comprised of the Bus and Paratransit Operations and Capital Development. This department manages and establishes future plans for all capital investments and projects. Mountain Line operates a robust maintenance program and maintains all its own vehicles and stops, giving riders a higher level of comfort and reliability while using the Mountain Line system. The Operations Department also establishes the bus schedule and coordinates schedules for all operators, in addition to serving as the agency’s dispatch center.

Josh Stone
Management Services Director

Administrative Department

Josh started in Mountain Line’s Accounting Division in 2019 and assumed the Management Services Director role in 2022. The Administrative Department is comprised of the Budgeting, Accounting, IT, Procurement, Data Management, and Paratransit Eligibility functions. The Department is responsible for compliance with policies as well as state and federal regulations for procurement and financial management. Additionally, the Department provides data analysis and tracking on the agency’s key performance indicators. On the compliance side, this Department ensures requirements of federal circulars, state policies, contracts, grants, and audits are met.

Sam Short
Workforce Director

Workforce Department

Sam started at Mountain Line in 2007 as a Dispatcher before moving into the Workforce Director role. The Workforce Department is responsible for Mountain Line’s mission-driven commitment to safety, training, Human Resources, and risk management. Mountain Line has prioritized safety in all aspects of operations and maintenance with adopted policies and resources. This Department monitors all incidents and accidents, identifies root causes, and introduces the necessary mitigation efforts to ensure continued safe operations. This department coordinates with our agency partners, including the Emergency Operations Center, to respond to community emergencies. It also manages all Human Resources activities, including recruitment, workplace culture, and policy.