Leadership Bios

Interim Executive Director, Heidi Humphreys

Heidi Humphreys
Heidi Humphreys was selected by the executive director to serve as the deputy executive director in July 2015. In her current role, Heidi is responsible for supporting the Executive Director in overseeing Colorado’s Tax Division, the Division of Motor Vehicles, the Colorado State Lottery, and the Enforcement Division, which provide regulation and licensing for the Auto, Gaming, Liquor and Tobacco, Marijuana and Racing industries. The department has more than 1,500 employees and annually brings in more than $11 billion in fees and taxes for the state.
Prior to being selected as DOR’s deputy executive director, Heidi served as the director of the Division of Administrative Services with the Colorado Department of Transportation (CDOT). Heidi led the varied functions of the department’s administrative branch including human resources; procurement and contracts; civil rights and business resource center; IT support; and property management. Her responsibilities included oversight of compliance with rule and law within each functional area. 
Prior to CDOT, Heidi was director of the Colorado Rural Workforce Consortium responsible for the operations of 34 workforce centers serving 52 counties throughout rural Colorado. Heidi and her team were accountable to the Local Elected Officials Board as well as the Rural Consortium Workforce Board and 8 regional boards made up of community leaders. Heidi provided leadership to support the mission of aligning the workforce system with education and economic development to strengthen the communities of rural Colorado.

Heidi also served as workforce training coordinator for Colorado Mountain College and has held several corporate training positions in a variety of industries including hospitality; finance; pharmaceutical; and telecom. Heidi earned her M.S. in Organizational Performance and Change from Colorado State University and her B.S. in Education of the Hearing Impaired from Texas Women’s University. 

Senior Director of the Enforcement Division, Cory Amend

Cory Amend

 Cory Amend has been with the Enforcement Business Group at the Department of Revenue since July 2017. Cory served as the Director of P.O.S.T., the Peace Officers Standards and Training Unit where his primary responsibilities focused on the development and revision of law enforcement training curricula, approval and inspection of law enforcement training programs and academies; administration of written skills examinations; compliance with state statutes, rules, policies and regulations and changes based on P.O.S.T. Board action and overseeing the training grant award application process.

Prior to being the P.O.S.T. Director, he spent twenty-three years in law enforcement. Cory brings a solid background of supervision, organizational leadership and knowledge of police administration.  He has experience leading various divisions during his law enforcement career including Patrol, Investigations, Detention, Special Operations and S.W.A.T.

Cory holds a Bachelor's Degree from CU Denver, a Master's degree in Criminal Justice and attended the Federal Bureau of Investigation National Academy. 


Senior Director of the Division of Motor Vehicles, Mike Dixon

Mike Dixon

 Mike Dixon has served as the senior director for the Division of Motor Vehicles since July 2011. Dixon provides leadership and oversight to the DMV’s driver and motor vehicles services as well as operational support to 64 Counties for vehicle services. He is the primary business sponsor for the Colorado DRIVES project, which is replacing two separate DMV IT Systems for driver and vehicle services. Additionally, Dixon is the vice president for Region IV of the American Association of Motor Vehicle Administrators (AAMVA) and serves on the international board. 
Prior to his employment with the state of Colorado, Mike served in the United States Army with assignments throughout the world, including Korea, Europe and Southwest Asia. He has a B.S. in Engineering from the United States Military Academy, an MBA from Webster University, and a Masters in National Security and Strategic Studies from the United States Naval War College.   


Senior Director of the Taxation Division, Matthew Scott

Matthew Scott

Matthew Scott joined the Department of Revenue as the senior director for the Taxation Division in November 2016. Matthew has more than 30 years of financial and general management experience, having worked for both privately held and public companies throughout his career. Scott has held senior financial positions during his 20 years at Qwest Communications International, Inc. and was most recently a senior financial executive at Curian Capital, LLC.
Scott has a B.S. in Business Administration in Accounting MBA degree in Finance both from The Ohio State University. Matthew is also a Certified Public Accountant (CPA); a Certified Management Accountant (CMA, Inactive); a Chartered Global Management Accountant (CGMA); and a Certified Fraud Examiner (CFE, Inactive). He is a member of the American Institute of Certified Public Accountants and the Colorado Society of Certified Public Accountants. 


Senior Director of the Colorado Lottery, Tom Seaver

Tom Seaver

Tom Seaver joined the Lottery in June 2018. He brings more than 30 years of lottery industry experience as a leader, high-level manager and consultant with state and international lotteries and lottery vendors, including the Colorado, Missouri and Virginia lotteries. He brings vast lottery leadership and management experience from multiple perspectives, proven success leading multi-disciplinary teams globally, with a demonstrated focus on ethics, organizational character and integrity. 
Seaver holds a Masters in Business Administration from Washington University in St. Louis.