#  Graduate Students 

 



HHI hosts master's and doctorate students from Harvard University or other universities for their formal internship, practicum, or field experience as part of their degree academic requirement. Students contribute to HHI's portfolio by conducting research, participating in manuscript writing, engage in program building activities, and receive structured guidance and mentorship during their time at HHI.



 

 

 

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  [### Kalu Okigwe

 ](/people/kalu-okigwe)Practicum Student 

 

 

 Kalu Okigwe is a Geospatial Data Scientist and M.S. candidate in Geographic Information Science at Clark University in Worcester, Massachusetts. His research centers on GeoAIapplications for hazard risk and resilience, with a focus on spatial modeling of... 

 

 

      ![Kalu Okigwe](/sites/g/files/omnuum6866/files/styles/hwp_4_5__690x865/public/2025-11/Screenshot%202025-11-24%20at%205.34.00%E2%80%AFPM.png?itok=SwXiW6YY) 

 

 

 

   [### Sumina Suwal

 ](/people/sumina-suwal)Practicum Student 

 

 

 Sumina Suwal is a Master’s candidate in Sustainable International Development at Brandeis University’s Heller School. Her undergraduate thesis offered a comparative policy analysis of U.S. and Chinese renewable energy frameworks, examining how subsidies... 

 

 

      ![Sumina Suwal](/sites/g/files/omnuum6866/files/styles/hwp_4_5__690x865/public/2025-11/Sumina_Headshot.jpg?itok=DlYd-hSV)