Houston Information Technology Services

Executive Team

Lisa Kent, Director / Chief Information Officer

  • Chief Information Officer (CIO), responsible for citywide IT direction, through a collaborative managerial structure, as stated in Executive Order 1-44

Sahara Lee, Deputy CIO /Deputy Director, Enterprise Infrastructure Services

  • Sahara Lee is the Deputy Chief Information Officer responsible for leading the Enterprise Infrastructure Services (EIS) Division, which is made up of Enterprise Operations and Network / Voice Services. These groups are responsible for the City data centers, data/voice networks, and the server/storage/infrastructure supporting the information technology needs of City employees. Sahara has been an Information Technology (IT) professional for over 25 years in both the public and private sectors.  Prior to joining the Enterprise Infrastructure Services team, Sahara was the IT PMO Director for the Houston Airport System where she was responsible for managing a team of IT professionals and project managers to deliver enterprise information technology strategic projects for the airport system that included infrastructure, applications, and cloud technologies.  Sahara has served in various leadership capacities throughout her career and her portfolio of prior employers provide services in the following industries:  Financial (American General Life and JP Morgan Chase), Healthcare (Houston Methodist and Houston Health Department), Oil & Gas (Exxon Company USA), Aviation (City of Houston Airport System), Education / Food Service (Houston ISD in partnership with Aramark), as well as various consulting roles.  Sahara holds a Bachelor in Business Administration from the University of Houston Central and a Masters in Information Systems Management from Keller Graduate School where she graduated magna cum laude.
  • Responsible for Data Center Services, Production Server Services, Storage Services, Project Services, Messaging Services, Monitoring and Tools Services, and End User Services within the Enterprise Operations Organization. Data Center Services focuses on the proper operations of the core data centers; Production Server Services ensures that servers are available and functioning properly; Storage Services manages Storage Area Networks (SANs) and data backup/restoration; Project Services provides architecture and engineering resources in delivering quality projects; Messaging Services provides email and instant messaging services; Monitoring and Tools Services provides system and network monitoring, anti-virus, and system management tools; and End User Services provides end user device support (desktops/laptops, tablets, printers, monitors, smart phones, and various desktop applications).

Tom Sorley, Deputy CIO / Deputy Director, IT Public Safety

  • Tom Sorley is the Deputy CIO / Deputy Director, Public Safety. He is a nationally recognized leader in public safety communications winning several national awards for his leadership. Tom brings more than 30 years of public safety experience in City and County government. He holds a Bachelor's degree in Professional Management and a MBA, both from Nova Southeastern University. Mr. Sorley serves on several national and international committees including as Chair of the Technology Committee for the National Public Safety Telecommunications Council (NPSTC) and as Vice-Chair of the FirstNet Public Safety Advisory Committee (PSAC).

    Tom led the effort to procure and implement the City’s public safety radio system. A seven year project replacing three existing systems with one interoperable, standards-based system at a cost of over $130 million. He also led the effort to merge the City and County radio systems with each partner maintain autonomy but gaining interoperability for first responders. As part of that effort, the City and County also built and currently reside in a joint radio services facility.

  • He’s responsible for operation and maintenance of the City’s public safety radio system and IT support services for the Houston Emergency Center. These teams provide 24 x 7 support for the critical public safety radio and IT services that help to keep the City’s first responders and the citizens they serve safe.

Reenie Askew, Deputy CIO / Deputy Director, Enterprise Application Services

  • Reenie Askew is the Deputy CIO responsible for leading the Enterprise Application Services Division. She’s a Business Technology leader with over 20 years of experience leading teams through technology and business process change initiatives. Reenie builds and directs project teams with diverse backgrounds and experience, to enhance technology and business process performance. Prior to joining the City of Houston, Reenie worked for Sysco Corporation where she was a key leader responsible for SAP business transformation, Manager Service implementation, and various enterprise solution deployments.

    She’s known for using her ability to see a vision through to fruition. Reenie’s passionate about helping professionals and aspiring professionals build self-confidence and pursue education and opportunities that change their lives. She operates under the premise that "by building people you build solutions".

    Reenie holds a Bachelor’s Degree in Management Information Systems from the University of Pittsburgh and is a certified Six Sigma Green Belt.
  • Responsible for the maintenance and development of both enterprise and departmental application systems. EAS is comprised of Enterprise Resource Planning (SAP), Data Management, Enterprise GIS, and Application Operations. Each is responsible for the ongoing support of numerous applications and tools that enable various city-wide and departmental functions. We endeavor to understand the underlying business processes, technologies, and terminology behind the products we support. We support Commercial Off-The-Shelf (COTS) and custom applications that have been developed or configured to meet departmental needs.

Chris Mitchell, Chief Information Security Officer (CISO), Cyber Security

  • Chris Mitchell is the Chief Information Security Officer responsible for carrying out the information security duties as described in the Mayor's Executive Orders for Information Technology Governance and Information Technology Security. Mr. Mitchell will lead the HITS Enterprise IT Security Division as well as performing citywide duties as indicated in the policies referenced above.
  • As the City of Houston CISO, Chris is responsible for carrying out the CIO’s responsibility for information security and the CISO responsibilities described in E.O. 1-44 and E.O. 1-48, including establishing an office with the mission and resources for information security operations, security governance, security architecture and engineering, and cyber-threat analysis to assist in ensuring City-wide compliance with City security policies and procedures. The CISO also serves as the City Information System Risk Executive, responsible for ensuring that security risk-related considerations and risk management of individual information systems are consistent across the City, are reviewed from a City-wide and strategic goal perspective, and reflect the City’s information system risk tolerance affecting mission/business success.

Nathan Haack, Assistant Director, Enterprise Network Systems

  • Manages the City’s network and telephone systems and teams. The City’s network and telephone systems cover more than 350 physical locations and support more than 20 City departments. The network team is also responsible for providing network integration and design assistance for projects. In addition to the phones themselves, the telephone team supports a voice over IP system that provides support for more than 20 contact centers for help desk applications, 311, the Health department, the Courts department, and others.
  • Prior to joining the City, Nathan has worked at Fort Bend Independent School District, Vericenter, and Calcasieu Parish School Board.  He has more than 15 years in local government experience providing IT operations support.  He has held Cisco and Microsoft certifications including a CCNA and MCSE.  Nathan has also worked as a consultant, architecting, selling, and ultimately delivering IT solutions to a wide variety of industries including healthcare, aviation, energy, local government and legal.  He holds a Bachelors of Arts from McNeese State University and is working on his Masters in Information Technology from the University of Maryland University College.

Sindhu Menon, Assistant Director, Enterprise Resource Planning

  • Sindhu Menon is the Assistant Director responsible for mission critical Human Capital Management, Time and attendance administration, Financial, Performance Reporting and other services delivered using SAP and Kronos technology. Prior to joining City of Houston, Sindhu worked at the City of Dallas managing technology and applications for Dallas Water Utilities.  She has worked on several critical public sector intiatives such as Smart City, Enterprise Architecture, IT Program Management, IT Consolidation and Governance. 

    Sindhu holds a MS in Computer Science and an MBA with specialization in Organization Leadership and Strategy from University of Texas.   She also holds ITIL Foundation, PMP, Six Sigma Green Belt  and Sun Certified Java Architect Certification

  • Sindhu and her team are responsible for maintenance of stable and reliable ERP(SAP) systems through continuous process improvement in collaboration with all City departments.  Sindhu and her team are also responsible for delivery of projects and enhancements to City’s  HCM, Financials, ESS, MSS, mobile apps for SAP and time management systems.   

Douglas Arterburn, Assistant Director

  • Douglas Arterburn is the Assistant Director of Application Operations within the Enterprise Application Services Division. The Application Operations Team is responsible for the maintenance and development of both enterprise and departmental application systems and Management of an application portfolio supporting critical city infrastructure and operations including Human Resources, Mayor’s Office, Fleet, Municipal Courts, Houston Fire and Police Department Divisions. Doug also manages the City’s Customer Service Center (CSC), which functions as the initial point of contact for all City of Houston IT services.
  • Prior to joining City of Houston, Doug worked as a federal employee for the U.S. Department of State where he served in various leaderships roles including Data Center Manager, Bureau Project Management Officer and Application Division Director for the Foreign Service Institute.  He holds a Bachelor of Science from American Military University, and serves as a Communications Officer in the U.S. Army National Guard. Doug also holds several professional certifications including Microsoft Certified Systems Engineer (MCSE), Project Management Professional (PMP) Certified Scrum Project Manager (CSPM) and Scrum Project Owner (CSPO).

Troy Williams, CTO of Health Dept.

  • Troy Williams is the CTO for Houston Health Department technology team.  With over twenty years industry experience transforming mission critical systems into best in-class environments, Troy is an effective collaborator, responsible for leading organizations toward selection of optimal solutions to address enterprise business challenges. He’s a strategic problem-solver with the know-how to improve business outcomes through the implementation of standardized processes and procedures across all levels of an organization. Strong project management proficiency including the use of LEAN/Six Sigma techniques to consistently deliver successful results.
  • Troy holds a Bachelor’s degree Strategic Management and a Master’s Degree in Informatics. He is also a Certified Health Chief Information Officer (CHCIO).

Somayya Scott, Deputy Assistant Director

  • Somayya Scott is the Deputy Assistant Director of the Resource Management Division. As such she is responsible for the efficient administration of management services, and for ensuring that the CIO’s directions and policies are implemented. She works with senior leadership to plan, coordinate and administer policy development in accordance with predefined strategic objectives. Ensures a high level of customer service and seeks continuous improvement. Resource Management is comprised of budget and financial management and analysis, contract administration, fixed asset management, vendor supply management as well as operational administrative support for the department. Each area is responsible for the ongoing support of the department and the implementation of policy and procedures.