Meet the Staff

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Thomas Munoz – Emergency Management Coordinator

Thomas Munoz currently serves as the OEM Deputy Director and Emergency Management Coordinator. He has over 26 years of experience as a first responder, emergency management, and the Coast Guard.
Prior to joining the City of Houston, Tom served as the Emergency Manager and Homeland Security Director for Texas City and prior to that served 24 years with the Houston Fire Department, leaving with the rank of Assistant Chief of Homeland Security and Planning.

Tom retired as Commander from United States Coast Guard (Reserve) after 21 years of service. During his time in the United States Coast Guard, he served as the Deputy Incident Commander for the New Orleans Vessel Removal Projects, the Texas City Y Spill Liaison and most recently served as the Hurricane Maria Emergency Preparedness Liaison Officer in San Juan, PR. In 2007, he received the Captain Edward R. Williams United States Coast Guard Reserve Award for Excellence. He is also the recipient of five USCG Commendation Medals.

Tom is currently working on his Doctorate in Strategic Communication. He also holds a Master’s degree in Emergency Management and a Master’s degree in Homeland Security from American Military University. He received his BA in Political Science from the University of Houston. Tom completed the Executive Leadership and Management Certification from the University of Notre Dame Mendoza School of Business and is a graduate of the Homeland Security Executive Leadership Program from the Naval Postgraduate School. He also successfully completed the Component National Security Course at the National Defense University in Washington, DC.


Mark Rayne – Deputy Emergency Management Coordinator

Mark Rayne currently serves as the Deputy Emergency Management Coordinator. Prior to joining OEM, Mark spent 29 years with the Houston Police Department serving in the patrol division, the juvenile division, criminal investigations, and special operations. He is also retired from the Texas Army National Guard with 29 years of service. During his tenure with the Houston Police Department he wrote the plans for several large events such as Super Bowl 51, NCAA Final Four, and five Houston marathons.


Vladimir (Vlad) Ibarra – Deputy Emergency Management Coordinator

Vladimir (Vlad) Ibarra currently serves as the Deputy Emergency Management Coordinator. Vlad oversees the Planning Section and focuses on strategic development, planning, and resiliency. Vlad is a Certified Emergency Manager with over a decade of community engagement, intergovernmental affairs, and emergency management experience in municipal, county and state government.

Prior to joining OEM, Vlad served as the Senior Emergency Planning Coordinator for Santa Clara County, California where he developed and implemented emergency plans for an operational area of two million people. During his tenure he deployed to the Camp Fire as Plans Section Chief in 2018 and received the 2020 Emergency Manager of the Year in recognition of his efforts throughout Santa Clara County. In his previous capacities, Vlad served as Deputy Director of the Providence Emergency Management Agency & Office of Homeland Security and Senior Policy Analyst for the Office of the Rhode Island Lieutenant Governor. Vlad has a Master’s in Security Studies (Homeland Security and Defense) from the Naval Postgraduate School Center for Homeland Defense and Security, attended Harvard Kennedy School of Government Executive Education and is a 2021 graduate of the National Emergency Management Executive Academy.


David Alamia – Emergency Management Program Manager: Planning

David Alamia currently serves as the Emergency Management Program Manager in the Planning Section. In his prior position, David served as the Deputy Emergency Management Coordinator for the City of Baytown, Texas. He also served as a Hazard Mitigation Planner and UASI Regional Homeland Security Planner at the Harris County Office of Homeland Security and Emergency Management. His background also includes emergency management and business continuity roles at MD Anderson Cancer Center, The University of Texas Southwestern Medical Center in Dallas, TX, and the University of Texas at Dallas. David also served as a local elected official on the Board of Directors of a local municipal utility district (MUD) responsible for water, wastewater, parks, waste management, infrastructure development, and public safety.

David currently serves as the IAEM Region 6 President and is a member of the IAEM Diversity Committee and IAEM Disaster Cost Recovery Caucus. In addition, he is an active member of the Emergency Management Association of Texas (EMAT) serving on the Communication Committee and Legislative Committee. David is also a member of the Natural Hazards Mitigation Association (NHMA), ARRL Amateur Radio in Emergency Services (ARES), and Houston InfraGard.
David is a Certified Emergency Manager (CEM), FEMA designated Master Continuity Practitioner, and a recipient of the 2015 Big City Emergency Managers (BCEM) Emerging Leaders Program.

David is a graduate of the Pennsylvania State University where he earned a Master’s in Public Administration (MPA), a Graduate Certificate in Homeland Security and Defense, and a Graduate Certificate in Policy Analysis and Evaluation. During his undergraduate studies David was selected as a Bill Archer Center Fellow serving in the U.S. Department of State, the Benjamin A. Gilman International Scholarship program studying abroad at the City University of Hong Kong, and the MEISPP Internship Program in the U.S. Department of Energy.


Allison B. Hudson – Emergency  Management Program Manager: Public Information

Allison B. Hudson currently serves as the Emergency Management Program Manager in the Public Information Section. Allison brings over 15 years of service in journalism, crisis communication, and law enforcement. Prior to joining the City of Houston, Allison served as the first public information officer for the Ascension Parish Sheriff’s Office in Ascension Parish, Louisiana for ten years. She also served as a crime victim investigator. Prior to law enforcement she was the editor-in-chief of the Donaldsonville Chief newspaper, being the first woman, and the first African-American to serve in this role since the newspaper’s existence in 1871.

Allison was a member of the Donaldsonville Chamber of Commerce where she served as the first African-American woman President from 2011-2013, also the first person to ever be re-elected President for two consecutive terms. She was re-elected for a third term to serve as President in 2015. She was elected as the first African-American woman President of the Rotary Club of Donaldsonville in 2011-2012. She also served as the president of the Arc of East Ascension, one of the oldest and largest nonprofits that meets the needs of persons with disabilities by expanding and improving services.

She has won several awards such as United Way Power of Women, Excellence in Social and Community Investment 2021, Movers and Shakers of Ascension Parish in 2020, Top 40 under 40 for the Baton Rouge Business Report, Top 40 under 40 for the Xavier University Alumni awards, Top 25 under 35 in Business in Editor and Publisher magazine, and recipient of a key to the city by the city of Gonzales mayor and the city of Donaldsonville mayor. Allison has an abundance of training in crisis communication, public relations, and emergency management.


Addition Staff

Niquita (Nicky) Moret – Grants Administrator

Niquita (Nicky) Moret is a Grants Administrator at OEM and serves as the Finance Section Chief during activations in the Emergency Operations Center (EOC). She possesses 13+ years of experience in public service – 10+ years with the City of New York and 3 years with the City of Houston – managing capital projects and grants, creating training programs and supervising personnel.

Nicky has a Bachelor’s degree in Sociology with a minor in Administration of Justice from Virginia State University, a Master of Public Administration (MPA) from Long Island University and a Certificate in Project Management from the Keller Graduate School of Management. Her goals are to obtain her Project Management Professional (PMP), Certified Emergency Manager (CEM) and Grants Management Certifications.


Celso (CJ) Pacheco – Regional Crisis Information System Administrator

Celso Pacheco Jr. (CJ) currently serves as the Regional Crisis Information System Administrator for the City of Houston and the Houston UASI Region. CJ’s experience in emergency management stems from his military service in support of operations during Hurricane’s Dolly, Edward, Gustav and Ike as an operations chief in the Joint Operations Center (JOC) located in Austin, Texas. He also oversaw border security operations along the Texas-Mexico border while serving in the JOC as lead Emergency Manager. His experience also includes protective security management for military officials and diplomatic security management for foreign service dignitaries in hostile environments. CJ graduated from Grantham University with a Bachelor’s degree with a concentration in Homeland Security and he’s also a graduate of FEMA’s National Emergency Management Basic Academy.


William Alvis – Senior GIS Analyst

William (Will) currently serves as a Senior GIS Analyst for the City of Houston Office of Emergency Management. Will’s duties include leading Geographic Information System (GIS) efforts for the office, maintaining data, conduct spatial analysis, displaying information in electronic and printed formats and coordinating with other departmental GIS staff. He also serves as the OEM lead for disaster damage assessment planning and training and supports Emergency Operations during planned and unplanned Emergency Operation Center activations.

Will has more than 25 years of GIS experience in both the public and private sectors. He obtained a Bachelor of Science (1993) and a Master of Science (2000) from Texas A&M.


Jared Granberry – Recovery


Hamilton Howard – Systems Consultant & IT Coordinator


Naya Farrell – Mass Evacuation Coordinator


Thomas Pastrano – Admin Specialist


Valerie Prevost – Admin Specialist


Charity Dominguez – Training & Exercise Coordinator


Luis Adame – Management Analyst