Inside ADOT

Executive Leadership

John S. Halikowski
John S. Halikowski

John Halikowski is the director of the Arizona Department of Transportation. He has served as Motor Vehicle Division deputy director, research director for the Arizona House of Representatives and research analyst for the Arizona House Transportation Committee. John received his degree in communications from Arizona State University.

John is the immediate past president of WASHTO and serves on a number of transportation-related boards and commissions, including the HELP, Inc. Board, the ITS America Leadership Circle and the TRB Executive Committee, as well as the TRB Subcommittee on Planning and Policy Review. He is the chair of the AASHTO Standing Committee on Research (SCOR), and cochairs the Arizona Transportation and Trade Corridor Alliance (TTCA).

Scott Omer
Scott Omer
Deputy Director for Operations

Scott Omer currently serves as the deputy director for operations, which oversees many of the department's internal operational functions and support for all divisions, including the Administrative Services Division, Human Resources and Civil Rights, Information Technology, Leadership and Employee Engagement, and the Arizona Highways magazine.

With over 20 years of transportation experience that includes work in transportation planning, programming, project management, project development and operations, Scott's knowledge and experience, coupled with his dedication to public service leadership, are a vital addition to the Director's Office as we address many current and future challenges facing our organization.

After proudly serving in the United States Marine Corps and as a veteran of Operation Desert Shield / Desert Storm, Scott began his ADOT career in 1993 in the Yuma District. In 2010, Scott became the Planning and Programming Group director in the Multimodal Planning Division and was appointed assistant director for ADOT's Multimodal Planning Division in September 2011. Scott has a bachelor's degree in business management and is certified as a professional transportation planner (PTP) and a certified public manager (CPM).


Kevin Biesty
Kevin Biesty
Deputy Director for Policy

Kevin Biesty currently serves as deputy director for policy and leads the proactive and effective process through which ADOT communicates with and serves Congress, the legislature and the people of Arizona.

Kevin joined ADOT's Motor Vehicle Division in February 2000 as a legislative liaison. Previously, he served as legislative liaison for the Arizona Department of Economic Security. Prior to that position, he served on staff at the Arizona state Senate.

Kevin earned his bachelor's degree in business management from the University of Phoenix. He is also a recent graduate of the Executive Program at the Kennedy School of Government at Harvard University; the AASHTO National Transportation Leadership Institute at the Indiana University School of Public and Environmental Affairs; and the Wharton Transportation Executive Program at the Wharton School at the University of Pennsylvania.

Dallas Hammit
Dallas Hammit
State Engineer
Deputy Director for Transportation

Dallas Hammit currently serves as state engineer and deputy director for transportation. As leader of the Intermodal Transportation Division (ITD), Dallas oversees development and delivery of the ADOT construction program, including environmental studies, engineering design, land acquisition and construction. He also supports the maintenance and operation of more than 6,000 miles of interstate and state highways in Arizona.

Dallas joined ITD in June 1999 as senior resident engineer in the Yuma District. He later served both the Yuma and Prescott Districts as district engineer. In 2009, Dallas became deputy state engineer for operations, and in 2012, he became senior deputy for development. In June 2014, Dallas was appointed director of ITD.

Kristine Ward
Kristine Ward
Chief Financial Officer

Kristine Ward was appointed the chief financial officer of the Arizona Department of Transportation in December 2011. Prior to joining ADOT, Kristine served as the deputy director for the Department of Revenue (DOR) from 2005 to 2011. As deputy director, she oversaw all aspects of department operations, including the accounting and processing of the state’s more than 5 million tax documents and $12 billion in tax revenue. Before joining DOR, Kristine served three administrations—Governors Symington, Hull and Napolitano—in the Office of Strategic Planning and Budgeting (OSPB) in various roles, including director and deputy director. At OSPB, she oversaw and coordinated more than 120 state agency budgets, totaling $20.6 billion, and represented the governor in budget matters.

Kristine holds a bachelor's degree in business with a concentration in finance from Bowie State University and a master’s degree in public administration from Arizona State University.

Sonya Herrera
Sonya Herrera
Assistant Director, Administrative Services Division

Sonya Herrera serves as assistant director for the Administrative Services Division and manages seven work groups handling audit/analysis, equipment services, facilities management, Grand Canyon National Park Airport, organizational/employee development, procurement, and safety and risk management. She has been with ADOT since 2001, serving as the director of the Office of Safety and Risk Management and as the occupational safety administrator. In these positions, she directed the development of the agency's safety processes and loss prevention programs that protect 4,300 employees and ensured overall safety compliance in more than $1 billion of construction projects and maintenance activities. Prior to joining ADOT, Sonya worked in safety management positions for private-sector companies in the United States and Kuwait. She earned a bachelor's degree from Auburn University and completed Arizona State University's Institute for Public Executives program. Sonya is a U.S. Army veteran and served in Operation Desert Storm.

Terry Conner
Terry Conner
Assistant Director, Enforcement and Compliance Division

Terry Conner serves as the assistant director for the Enforcement and Compliance Division, which consists of the Office of the Inspector General, the Executive Hearing Office and Commercial Vehicle Enforcement. Terry previously served more than 30 years with the Arizona Department of Public Safety (DPS) in a variety of assignments throughout the department, including senior level commands in both operational and administrative responsibilities.

An advocate for highway safety, he's addressed audiences throughout the United States on highway safety issues. An accomplished instructor, he's also taught a variety of subjects including vehicle theft investigation, police ethics, media and public relations, problem-oriented policing, and incident command systems. He's facilitated programs toward maximizing productivity, teamwork and quality issues for police management personnel.

While at DPS, Terry was selected to serve a yearlong assignment at the U.S. Department of Transportation's National Highway Traffic Safety Administration (NHTSA) in Washington, D.C. While there, he researched and published a model manual for police managers nationwide dealing with occupant protection issues. Following his assignment in Washington, he was honored with the NHTSA Award for Public Service.

A graduate of the Senior Executive Program at the Kennedy School of Government at Harvard and the Institute for Public Executives at Arizona State University, Terry has written a number of articles that have been published in the IACP journal, Police Chief and the FBI Bulletin. The articles covered a variety of topics ranging from management issues to police tactics


Steve Boschen
Steve Boschen
Assistant Director for Infrastructure Delivery and Operations

Steve Boschen currently serves as the assistant director for Infrastructure Delivery and Operations, which oversees all statewide project delivery, including ADOT and Local Public Agency projects, and statewide operations and maintenance. Steve is responsible for Project Management, Operations, Project Delivery, Contracts and Local Public Agency areas of ADOT, which include a total of 20 groups and districts. This includes the development, construction, maintenance and operation of more than 6,000 miles of interstate and state highways in Arizona.

Steve previously worked for ADOT from 1985 to 1992. He rejoined ADOT in October 2012 as a deputy state engineer for Project Delivery after a 20-year consulting engineer career. In December 2014, he was appointed assistant director of the Intermodal Transportation Division, which is now Infrastructure Delivery and Operations.

Steve has a bachelor’s degree in civil engineering from the University of Arizona and is a registered professional engineer in the state of Arizona.

Eric Jorgensen
Eric Jorgensen
Assistant Director, Motor Vehicle Division

Eric Jorgensen has worked for the state of Arizona since 2004. Most recently, he served as the deputy director for administration at the Arizona Department of Child Safety (DCS), where he oversaw the separation of the DCS from the Department of Economic Security and the creation of the administrative structure for the new agency. Previously, he served as chief financial officer for the $800 million self-insured state employee benefit program and as assistant director for the Arizona Joint Legislative Budget Committee. Eric received his bachelor's degree in international political science from Brigham Young University, and his master's degree in international affairs with an emphasis on economic policy from Columbia University.

Michael Kies
Assistant Director, Multimodal Planning Division

Mike Kies currently serves as the assistant director for the Multimodal Planning Division, which oversees all statewide planning, state and local programming activities, data and analysis, transit and airport grants programs, the Local Public Agency section, Asset Management, and the Research Center.

Mike has a long history of planning transportation infrastructure throughout Arizona. After graduating from the University of Arizona, Mike started his career in the consulting community, contributing to long-range visions for several of our key transportation corridors, such as the Hoover Dam Bypass project and Interstate 10 between Phoenix and Tucson. Following 25 years in the private sector, Mike joined ADOT's Multimodal Planning Division in 2011 to lead the planning of a potential passenger rail system between Phoenix and Tucson. Later that same year, he was promoted to manage the Planning and Programming group within MPD. In this role, he has initiated the planning of a potential new interstate corridor that could provide a new connection between Arizona, Nevada and beyond (Interstate 11 and the Intermountain West Corridor), and he is working to transform ADOT's programming process to a transparent, logical link with our planning efforts based on system performance (P2P Link).

Mike is a recent graduate of the AASHTO National Transportation Leadership Institute in Indianapolis, Indiana. Mike has a bachelor's degree in civil engineering from the University of Arizona and is a professional registered engineer in the state of Arizona.


Brent Cane
Brent Cain
Assistant Director for Transportation Systems Management and Operations

Brent Cain serves as the assistant director for the Transportation Systems Management and Operations (TSMO) Division. Brent leads the TSMO efforts for optimizing the performance of existing infrastructure by implementing multimodal, intermodal and often cross-jurisdictional systems, services and projects. TSMO strategies also include but are not limited to traffic safety, traffic-incident management, travel-information services, roadway weather information, freeway management, connected vehicles and automated vehicles, traffic-signal systems and coordination, work-zone management, managed lanes, emergency response and Homeland Security, freight management, active traffic management, and new technologies that are rapidly occurring.

Brent was previously the deputy state engineer for Urban Operations, which included overseeing the Phoenix Construction and Maintenance Districts, Traffic Operations Center, Tucson District, and Statewide Maintenance. He has over 28 years of experience in transportation engineering and planning. Brent holds a bachelor's degree in civil engineering from the University of Missouri-Rolla.

For more information regarding ADOT executive leadership, please contact us at 602.712.7355.