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.

Dixon Roswell, Acting Deputy CIO / Deputy Director, Enterprise Infrastructure Services

  • 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.
  • 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).

Taunya Harris, Acting Deputy CIO / Deputy Director, IT Public Safety

  • 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.

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).

Summer Xiao, Assistant Director, Cloud and Application Management

  • Summer Xiao is the Assistant Director responsible for leading the Cloud and Application Management team. Summer has years of business and IT experience working in various industries, developing efficient teams that deliver technology solutions which increase revenue, reduce cost, and maximize efficiency. Summer Xiao graduated Summa Cum Laude from the University of Houston with a Bachelors in Management Information Systems and is also a certified Project Management Professional.
  • Responsible for the operations of cloud and application development across various departments at the City of Houston. Systems under management includes Enterprise GIS, 311 System, Municipal Court Technology, Database Services and non-financial information management systems. The cloud and application team serve to provide technology guidance and ensure application availability for all city departments supported by the team.

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.