Liv HaselbachLiv Haselbach, Ph.D., PE, BCEE, F.ASCE


Dr. Liv Haselbach is a licensed professional engineer, a LEED AP, a Fellow of the American Society of Civil Engineers and Board Certified in Environmental Engineering with the specialty of Environmental Sustainability by the American Academy of Environmental Engineers and Scientists. Prior to her academic career she founded an engineering consulting company in the New York – Connecticut area.

Her degrees include a B.S. in Civil Engineering from Cornell with distinction, an M.S. in Chemical Engineering from UC Berkeley, and a Ph.D. in Environmental Engineering from the University of Connecticut.

She was a lecturer at Yale, an assistant professor at the University of South Carolina, an associate and then full professor in Civil and Environmental Engineering at Washington State University, an associate director of a USDOT Tier 1 University Transportation Center and a Fulbright-ALCOA Distinguished Chair in the Environmental Sciences and Engineering in Brazil. She has been the chair of the Department of Civil and Environmental Engineering at Lamar University since 2016. In 2019 she was named Engineer of the Year by the Sabine Chapter of the Texas Society of Professional Engineers.

marilyn guidryMarilyn Guidry

Assistant Director - Data & Research

Dr. Marilyn Guidry has an education and research background in geography, social sciences, and public health. She spent 13 years as an Assistant and Associate Professor in the Department of Social and Behavioral Sciences at Cheyney University of Pennsylvania where she developed a B.S. in Geographic Information Science Curriculum. She worked for five years in Thailand with public and non-profit organizations and four years as an Integrator in Information Technology at PPL Corporation. She holds Ph.D. in Geography from Rutgers University and a Master of Public Health from West Chester University of Pennsylvania. Her research interests focus on public health applications of Geographic Information Systems (GIS) and GIS education.

She relocated to the Texas Gulf Coast in 2020. She appreciates that the work of the Center for Resiliency is critical to the sustainability and welfare of Gulf Coast communities. Frequent destructive storms which afflict coastal communities, and a perpetual threat of flooding are clear risks to livelihood of local families, businesses, and economies. Collaboration in research, communication and technology is vital. Lamar University and the Center for Resiliency are valuable resources for Texas.

Teressa RobertsonTeressa Robertson

Assistant Director - Engagement

Prior to earning a Bachelor’s degree of social work from Lamar University in 2019, Teressa worked in emergency and disaster services for the U.S. Military, FEMA, American Red Cross, and SETX local emergency service companies.

She comes from Catholic Charities SETX where she worked as a Disaster Case Manager in a federally funded pilot program to assist Hurricane Harvey survivors in their long-term recovery. Because of her outstanding performance, she was promoted to the Director of Disaster Response & Emergency Assistance where she facilitated disaster response efforts within the nine counties of the Diocese of Beaumont in coordination with other disaster recovery entities such county long-term recovery groups, emergency management, the American Red Cross and Salvation Army. She directed the Hurricane Harvey Disaster Case Management program (DCMP) in addition to administering direct and in-direct financial assistance to vulnerable population’s within SETX and surrounding communities.  She is currently enrolled the Masters in Public Administration program at Lamar University.

Daucy Crizer

Assistant Director - Shared Business Services

Daucy Crizer has worked at Lamar University for 26 years, most recently as the Assistant Director, Shared Business Services.  In this role, he works closely with the Business Managers of each College in addition to various personnel in other campus departments. He also works with each of the University’s Signature Centers – Center for Midstream Management and Science, Center for the Advances in Port Management and Center for Resiliency—providing assistance related to purchasing, budgeting and financial analysis, and personnel and human resources. Prior to accepting his current position, he worked as a senior accountant in Financial Services. He started at Lamar in the Athletic Department, spending 22 years in various positions.

Davon ChargoisDavon Chargois

Grant Manager

A graduate of Lamar University, Davon Chargois has a master's degree in Public Administration (2022) and a bachelor's degree in Social Work (2019). Davon is a Port Arthur, Texas native with extensive experience serving the Southeast Texas region. He served as an Administrative Assistant in the City of Port Arthur's Development Services Department, Site Coordinator for Communities and Schools of SETX and, most recently, a Transit Planner for the City of Port Arthur's Transit Department where he managed numerous federal, state and local grats. He is honored to contribute his talents and experience as a member of Lamar University's Center for Resiliency. 

Justin MahanJustin Mahan

Lab Manager

Justin is a 2006 graduate of Lamar University with a Bachelor of General Studies.  In 2007, he graduated from the South Carolina Criminal Justice Academy and served as a police officer for three years.  Returning home to SE Texas, he began a career in industrial water treatment as an account manager for various local chemical plants for over ten years.  In 2021, Justin completed the Emergency Medical Technician program at Lamar Institute of Technology and became a Nationally Registered EMT.  Justin returned to Lamar University in 2023 to join the Center for Resiliency team as Lab Manager and is responsible for working with students while installing, monitoring and maintaining research equipment in the field throughout SE Texas.

sainiNavtej Pal Singh Saini

Administrative Specialist

After graduating from Delhi University (India) in the year 1977, Mr. Navtej Pal Singh Saini joined the Ministry of External Affairs, Government of India. He was posted in various Indian Embassies/Consulates in countries like Congo, Spain, Ghana, Bhutan, Ireland and the US (Houston). During the span of his 40-years career as a diplomat he handled departments like Administration, Accounts and Consular. After his retirement from Government of India service, he joined VFS Global Services Inc in Houston in January 2021 and remained associated with them till he joined Center for Resiliency in May 2023.