About me

Welcome! I am a GIScientist and transportation geographer researching the complex interactions between human mobility, environment, safety, and health. Currently, I serve as an Assistant Professor in the Department of Geography and Geoinformation Science at George Mason University. I completed my Ph.D. in Geography at The Ohio State University in 2023, my Master's in Geography and GIS at the University of Utah in 2019, and Bachelor's in Urban and Regional Planning from the Bangladesh University of Engineering and Technology (BUET) in 2015.

My research lies at the intersection of GIScience, transportation geography, cognitive and behavioral geography, and health and safety. I am specifically interested in modelling and understanding how urban environments and the human experiences around them shape urban mobility, as well as their safety and health outcomes across diverse population groups. My work integrates geospatial artificial intelligence (GeoAI), spatiotemporal modeling, network analytics, and citizen science to advance data-driven, human-centered solutions for safer, healthier, and more inclusive transportation environments.

My current research answers three main questions:

  1. How can we combine multi-sensory data, large language models, and agentic AI to better characterize multimodal transportation environments and human experiences?

  2. How can we leverage spatio-temporal AI models to detect and predict actual and perceived road risks, and thereby support safe infrastructure design, planning, and decision-making?

  3. How can we integrate space-time accessibility measures, spatial interaction models, and geostatistics to reveal spatio-social barriers of healthcare access and travel?

My work has been published in several high-impact, peer-reviewed journals, including Annals of the American Association of Geographers (AAG), Computers, Environment and Urban Systems, Transportation Research Part D, Applied Geography, Journal of Transport Geography, Transportation Research Record (TRR), Risk Analysis, and Atmospheric Environment. I received several awards for my work, including the Postdoc Idea Award from the NCH Abigail Wexner Research Institute, the E. Willard and Ruby S. Miller Scholarship from The Ohio State University, the Student Dissertation Award from the Sustainability Institute at The Ohio State University, and the Prime Minister Gold Medal from the University Grants Commission of Bangladesh.

Recent updates

August 07, 2025

This summer, I had the opportunity to mentor 5 high-school and one undergraduate student through the GMU Aspiring Scientists Summer Internship Program (ASSIP). Just within six weeks, these students successfully completed the following projects, including data collection, processing, modeling, and preparing the final presentation for each:

- Healthcare Deserts in Virginia: Rural-Urban and Socioeconomic Disparities in Access to Care (Sarah Zak and Stepan Mkrtchian)

- How Do Women Access Maternal Care? Spatial and Social Dimensions of Maternal Healthcare Visits in Florida (Ava Hudson and Justin Yu)

- Developing a Fairfax Topographic Accessibility Map (Kevin Hasani)

- Crime Around Public Transit: Analyzing Spatio-Temporal Variations in Crime Rates Near D.C. Bus Stops (Monisha Preetham).

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June 25, 2025

On behalf of GISphere, hosting a workshop on From Student to GIS Pro: GIS Career Readiness workshop at UCGIS symposium 2025. Join us to discuss strategies for building your professional network, investing in your professional development, and navigating the exciting world of GIS careers.

April 18, 2025

Gave a talk on "Exploring Human Perceptions for Safe, Sustainable, and Healthy Transportation Planning" at Virginia Tech, Department of Geography

Mar 24, 2025

Co-Organizing a session with Drs. Luyu Liu, Jinhyung Lee, and Huyen Le on "Transportation and Environmental Exposure" at the American Association of Geographers 2025.

Jan 05, 2025

Attending the Transportation Research Board (TRB) Annual Meeting 2025! Join me for my poster session on January 6 at 10:15 AM in CC Hall A. I will be presenting on Spatial Heterogeneities in Healthcare Visits and their Socio-economic Determinants: A Comprehensive Analysis Using Traffic Flow Data.

Here's a quick peek at my poster. Looking forward to insightful discussions!