MANASSAS MUSEUM - Key Persons


Ana Davis

Job Titles:
  • Utilities Acting Director
Ana Davis has served the City of Manassas for over 29 years as the Billing Coordinator, Meter Services Supervisor, Customer Service Supervisor, Utilities Service Manager, and her current role as Acting Utilities Director. Previous to working for the City of Manassas, Ana lived in Germany and worked for their government for over five (5) years before immigrating to the United States. Education B.A. in Accounting from Berufsbildende Handels Schule in Gruenstadt/Pfalz, Germany Certifications Certified Public Power Manager

Bryan Foster

Job Titles:
  • Deputy City Manager

Captain Trey Lawler

Job Titles:
  • Captain
  • Acting Chief of Police
  • Acting Police Chief
Captain Trey Lawler is serving as Acting Chief of Police for the City of Manassas while Chief Douglas Keen serves as Interim City Manager. Lawler began working for the City of Manassas in 1988. He was promoted to Captain in 2009, serving over all three divisions within the Police Department. In 2015, Lawler "retired," which only lasted a few months. Prior to his position as Acting Chief of Police for the City of Manassas, Lawler worked as School Resource Officer (SRO) at Mayfield Intermediate School. He hopes to return there after a City Manager is selected to lead the City of Manassas.

Caroline Oxley

Job Titles:
  • Communications Coordinator

Christen Miller

Job Titles:
  • Administrative Coordinator

Christian Samples

Job Titles:
  • Senior Planner

Darla J. Hicks - CHRO

Job Titles:
  • Human Resources Director
Darla J. Hicks joined the City of Manassas in August 2012 to lead the Human Resources and Risk Management divisions. The Human Resources Division is responsible for recruiting a qualified and diverse workforce, retaining the City workforce through a responsive, and interactive employee relations program and administering the City's employee benefits program. The Risk Management Division assesses the City's exposure to risk and potential financial loss, identifies hazards and problematic operations, coordinates insurance coverages for the City, and implements a number of risk management efforts (e.g. insurance policies, safety training, accident investigation, claims/injury management, etc.) to ensure the City's interests are protected while providing a safe work environment for our employees. Darla also serves as liaison to the City Council Personnel Committee for matters related to personnel policies and practices. Darla holds Senior Certified Professional designations from the International Public Management Association for Human Resources and the Society for Human Resource Management. Prior to joining the City, she served as the Human Resources Manager for the County of New Kent, and has more than 20 years of experience in local government. Education Longwood University IPMA-HR Senior Certified Professional (IPMA-SCP) SHRM Senior Certified Professional (SHRM-SCP)

Diane Bergeron - CFO

Job Titles:
  • Finance Director
  • Finance Director / Assistant City Manager
Diane Bergeron has been with the City of Manassas for more ten years serving primarily as the Budget Manager. In her roles with the City, Diane has worked closely with each department and City Council. Her experience and knowledge has been instrumental in helping the City of Manassas meet their strategic priorities and vision. Education Bachelor of Arts, University of Connecticut Masters of Public Administration, University of Connecticut

Douglas W. Keen

Job Titles:
  • Interim City Manager
The Manassas City Police Chief is appointed by the city manager, working with the mayor and City Council. Colonel Douglas W. Keen is the Chief of Police for the City of Manassas, a nationally accredited law enforcement agency. He was appointed to this position on May 1, 2010, by the city manager and sworn in by the mayor. Chief Keen began his career with the City of Manassas in 1989 and has served in many capacities including progressive and comprehensive work in line, supervisory, and command positions including officer, detective, sergeant, lieutenant, and division commander. As Chief of Police, Colonel Keen manages a highly progressive and professional agency and staff of approximately 125 members. Education Bachelor of Science, George Mason University Masters Degree in Public Administration, University of Oklahoma Graduate, FBI National Academy, 201st Session Career Highlights Full compliance with the Commission on Accreditation for Law Enforcement Standards (CALEA), Flagship status

Eric W. Smith II

Job Titles:
  • City Clerk
Smith previously served as Town Clerk for the Town of Morrisville, N.C. He holds a Bachelor of Arts degree from Regent University; a Masters degree in Public Affairs, a graduate certificate in Public Management, and a Masters degree in Economics, all from the University of Missouri. He is a Certified Municipal Clerk and a Certified Diversity Professional.

Jean Jensen

Job Titles:
  • Administrative Associate

Juan E. Rivera

Job Titles:
  • Airport Director
  • Director for the Manassas Regional Airport
Juan E. Rivera has served as the Airport Director for the Manassas Regional Airport for since 2001. As Airport Director, he reports to the deputy city manager and serves as the staff liaison to the City's Airport Commission. The director provides administrative and operational oversight of the Manassas Regional Airport. He prepares and monitors both the capital improvements program and the operating budgets for the department, and ensures fund balances are maintained at the airport by recommending annually the appropriate rates for the airport fund. Mr. Rivera has more than 25 years of General Aviation (GA) airport management experience. He has served on numerous committees with both the FAA and Virginia Department of Aviation. Mr. Rivera holds a private pilot license and lives in Prince William County with his wife Elizabeth and their two daughters. Education Bachelor of Science in Aviation Administration, Indiana State University Career Highlights Director, Leesburg Executive Airport, Leesburg, VA

June Khamis

Job Titles:
  • Auditor

Kristina Wilber

Job Titles:
  • Executive Assistant

Lance Kilby

Job Titles:
  • Engineering Director
  • City Engineering Director
Lance Kilby, PE, began his career in the City of Manassas after more than 30 years practicing engineering and managing projects throughout the mid-Atlantic region. He has extensive design and management experience overseeing project teams serving a variety of commercial, residential, industrial, mixed-use, and retail developments for private as well as public infrastructure projects. Education Lance has a Bachelor of Science in Civil Engineering from Old Dominion University Licenses and Certifications

Lee Ann Henderson

Job Titles:
  • City Clerk

Mary Helen


Matthew Arcieri

Job Titles:
  • Planning & Community Development Director
  • Planning & Community Development Director / Assistant City Manager
Matt Arcieri was hired by the City in December 2013 and has almost 20 years of experience in land use and transportation planning, including work in James City County, Prince William County, and for the New York City Department of Transportation. Education Bachelors in Public Policy and History - College of William and Mary Master's in Public Administration - Virginia Commonwealth University Certificate in Public Management - George Washington University Career Highlights James City County, Senior Planner, Current Planning

Nicole L. Kirven

Job Titles:
  • Social Services Director
  • Social Services Director for the City of Manassas
Nicole's professional history includes working as the Assistant Director of Stafford County Department of Social Services (DSS) focusing on the Self Sufficiency and Benefit Programs. Prior to her tenure with Stafford County, Kirven served as Program Manager for the Marine and Family Behavioral Health Branch of the United States Marine Corps Headquarters where she drafted policy establishing the framework for community coalitions and providing funding for prevention services to 17 installations (CONUS/OCONUS). She is a licensed Professional Counselor and has an extensive background in direct services, case management, and policy review for adults, families, and child populations inclusive of serving the City of Manassas. Additionally, Nicole has experience with the elderly and with those who suffer physical, and intellectual disabilities through managing programs within the Northern Virginia area, including Prince William and Fairfax Counties. Nicole was one of few Assistant Directors selected through a competitive process who successfully completed the Virginia Department of Social Services Director Mentorship Program. She is an active member of the Virginia League of Social Services Executives (VLSSE). Nicole has received certifications for Leading, Educating, and Developing (LEAD) Programs through the Weldon Cooper Center for Public Service, Excellence in Leadership and Foundations of Executive Leadership through VLSSE.

Osbourn Alumni

Job Titles:
  • Association Vice - President

Park Improvements

Job Titles:
  • Dean

Patricia Richie-Folks - Treasurer

Job Titles:
  • Treasurer

Patrick J. Small

Job Titles:
  • Economic Development Director for the City of Manassas
Patrick J. Small is the Economic Development Director for the City of Manassas. With more than 20 years of experience in local government, Patrick puts a wealth of knowledge and experience to work for the business community in the City of Manassas.

Patty Prince - CCO

Job Titles:
  • Communications Director
Patty Prince was hired in August 2012 and has more than 30 years experience in communications and marketing. Prior to her arrival at the City, Prince worked as public information specialist with Prince William County. She has a Bachelor of Arts Degree in Communications from Virginia Tech. Career Highlights Prince William County, Virginia - Public Information Specialist

S. Craig Brown

Job Titles:
  • City Attorney
Stephen Craig Brown, formerly of Charlottesville, Virginia, is the City Attorney for the City of Manassas. Craig has more than 38 years of experience as a municipal attorney. In his previous position as City Attorney for the City of Charlottesville, Virginia, Craig supervised and managed three attorneys and two paralegals, serving more than 900 City of Charlottesville employees and the City Council. He worked his way up from Assistant City Attorney in 1985 to City Attorney in 2001. He has a wide range of experience working in local government. Career Highlights Admitted to practice before the United States Supreme Court; the United States Court of Appeals for the 4th Circuit; the United States District Court for the Western District of Virginia; and the Supreme Court of Virginia

Steve Burke

Job Titles:
  • Public Works Director
Steve Burke has more than 20 years of experience in local government. He previously served as the City's Public Works Director from 2016 - 2018 until he began work as the Town Manager of Luray, Va. He previously served as Town Manager for Front Royal, Va. Education Bachelor of Science in Civil Engineering from the University of Florida Career Highlights and Associations In his role as Town Manager for Luray, Va. Burke oversaw the daily operations of the town, served as Zoning Administrator, developed and managed the annual operating budget and capital improvement budget, and coordinated community outreach and COVID-19 responses.

Susan Reed

Job Titles:
  • General Registrar
Susan Reed has more than 16 years of experience working with the election process. From 1999 to 2014 she worked as Chief Election Officer for the Dean Precinct. In 2014 she was hired as Assistant Registrar for the City of Manassas and was selected as General Registrar in 2016.

Tim Demeria

Job Titles:
  • Commissioner of the Revenue
The Commissioner of the Revenue is an elected position in the City of Manassas. Tim Demeria was elected to this position in November 2021 and he previously served on the Manassas City School Board from May 2006 to January 2022. Tim has lived in Manassas since 1976, him and his wife, Sue, raised their two daughters in Manassas, both of whom went from kindergarten at Weems to graduation at Osbourn High School. Before becoming the Commissioner of the Revenue, Tim was a Real Estate Agent and a Director at Arrow Travel Agency in Manassas before managing Centreville Sod in Bristow, Virginia for 38 years.

Tim Dimeria

Job Titles:
  • Commissioner of the Revenue

William Patrick Pate

Job Titles:
  • City Manager for the City of Manassas
  • the Manassas City Manager
The Manassas City Manager is appointed by the mayor and City Council to be the chief administrative officer of the city. The city manager carries out the policy directives of the City Council and manages the daily operations of government. The City Manager oversees the preparation of the annual operating and capital budgets and other reports as may be required for submission to the City Council. William Patrick Pate has served as City Manager for the City of Manassas since October 2013. In his role as city manager he is responsible for an operating budget of $328 million and a capital budget of $205 million providing all aspects of local government service delivery. This includes water, sewer and electric utilities, police, fire, rescue, public works, engineering, social services, a regional airport, economic development, planning, community development and staff services. He has made the City of Manassas his home and is working to create a Manassas with a sense of place, a sense of community and a sense of opportunity. Prior to his appointment as city manager, Pate served as assistant city manager of the City of High Point, N.C., since 1999. Before becoming assistant manager, Pate served as the budget and evaluation director for the City of Greensboro, N.C. Education Bachelors Degree in Political Science and Religion, University of North Carolina, Chapel Hill Masters Degree, Public Administration, University of North Carolina, Chapel Hill Career Highlights International City Management Association Credentialed Manager