May 2022 – Dec 2022 · 7 mos · New York, United States

Jun 2021 – May 2022 · 11 mos · New York, United States

Nov 2019 – Jun 2021 · 1 yr 7 mos · San Francisco Bay Area

• (Acquired by Foursquare)

Nov 2017 – Oct 2019 · 1 yr 11 mos · San Francisco Bay Area

Jul 2016 – Oct 2017 · 1 yr 3 mos · New York, United States

• As a Senior Data Scientist at DataKind, I have accomplished the following:
• Built a Random Forest classifier to detect wheat lands in Montana and then transferred and tuned it in Ethiopia
• Employed temporal cluster analysis by means of feature engineering to identify crop phenology in Ethiopia
• Created a visualization tool to explore temporal precipitation, also crop types and their greenness, using Tableau
• Developed a crash index based on NYC311 complaints using Kernel Density Estimation, for NYC Vision Zero Project
• Utilized the NYC CitiBike database to create the normalized index for spatio-temporal analysis of biking accidents
• Analyzed spatio-temporal patterns of mining activities in Peru and DRC to identify historical gold rushes in the regions
• Scoped and managed several data-driven projects in a variety of sectors, such as Poverty, Education and Immigration
• Proposed and served as technical lead on a 5-pronged project that uses satellite imagery and transfer learning technology for poverty alleviation, becoming a top-10 front-runner of the on-going IBM AI XPRIZE Competition

Jan 2016 – Jun 2016 · 5 mos · New York, NY

• As an Insight Data Science Fellow, I have accomplished the following:
• Developed a prototype comparing the operations & finances of shared rides to LaGuardia vs. JFK Airport for a startup
• Designed an A/B testing experiment to target persuadable voters and implemented a predictive model to estimate the turn out rate for each zip code in Los Angeles County for the California primary election of 2016
• Created an interactive web-application to visualize and explore factors relating to patients' length
• of stay in hospital using D3 [http://signal.nyc]
• Developed a database using NY State SPARCS Dataset of 12 million patient records from
• 2009-2013 in MySQL
• Employed Linear, Random Forest, and Gradient Boosting Regression Analyses to predict patients’
• length of stay based on characteristics such as diagnosis, severity of illness, age group, and
• gender
• For Insight program preparation, mined and mapped the 50,000 geo-referenced tweets made
• during a one-week period for lower Manhattan using Matplotlib Basemap Toolkit as well as
• Geopandas and Shapely packages

Sep 2014 – Jan 2015 · 4 mos · Brooklyn, New York

Jul 2014 – Jul 2016 · 2 yrs · Brooklyn, NY

• As a Data Scientist, I have accomplished the following:
• Mined the records of 10 million NYC311 calls and performed geospatial and temporal aggregation
• of all data points to census tract using Panda & Arcpy
• Created web-interactive visualizations of flood-related NYC311 calls using PostgreSQL &
• OpenLayers JavaScript API
• Built a vulnerability map for the sewer system using Open Data to be presented to NYC
• Department of City Planning
• Mined images taken at 2-minute intervals from 400 NYC traffic cameras and developed a 6-month
• meta-database
• Correlated the rain signal with rain gauge data collected from the NOAA online database using
• SciPy
• Mentored Master’s students who quantified PM2.5 exposure in New York City in the following ways:
• a) framing the problems of a general lack of spatial resolution of PM2.5 measurements and temporal variability of crowd movement;
• b) guiding students on exploration of different datasets, including census, infrastructure, and meteorological records;
• c) supervising the implementation of visualization techniques to understand the correlation between air quality, metrological factors, and human activities, such as Scatterplot Matrices;
• d) assisting students in the creation of a spatiotemporal PM2.5 exposure model including support vector machine regression

Jul 2014 – Jun 2016 · 1 yr 11 mos · New York, New York

• As a Research Associate and Projects Liaison, I have accomplished the following:
• Initiated and Managed the project [NYC Flooding Impact Using 311 Call Records] as part of New York State
• Resiliency Institute for Storms and Emergencies Phase II Proposal
• Initiated and Managed the project [Department of Transportation Cameras as Rain Gauges] for incorporation in the NOAA-CREST Institute’s 5-Year Funding Proposal
• Mentored a PhD candidate who is developing a landslide hazard map for the continental United States using remote sensing techniques in the following ways:
• a) supervising the use of satellite data including Advanced Thermal Emission and Reflection Global Digital Elevation Map (ASTER-GDEM) and Soil Moisture Active Passive (SMAP) monitoring for development of a global shallow landslide susceptibility and hazard map utilizing logistic regression analysis;
• b) introducing the idea of using a self-designed Buffer Threshold analysis method to improve ability to determine slopes at highest risk of landslides;
• c) critiquing all preliminary drafts for future journal submission

Nov 2013 – Jul 2014 · 8 mos · New York, NY

• As Research Assistant, I accomplished the following:
• Evaluated the resiliency of the NYC subway infrastructure to extreme events using MTA ridership
• data
• Developed a binary image processing technique to digitize the NYC sewer network in MATLAB
• Employed colorimetry to identify night-light sources in NYC to approximate city energy consumption

Jan 2010 – May 2014 · 4 yrs 4 mos · New York, NY

• As Graduate Student Researcher, I accomplished the following:
• Applied imaging techniques and concept of color analysis to calculate the volume of oil in soil
• using MATLAB
• Innovated the 3D Carving Technique to estimate the shape of the oil plume inside soil
• Developed a 3D Exhaustive Block Matching Algorithm to track color tracers within transparent
• media

Jan 2010 – Jan 2014 · 4 yrs · New York, NY

• I instructed students in the following courses:
• Fluid Mechanics Laboratory 2013-2014
• Soil Mechanics Laboratory 2011-2013
• Environmental Engineering Laboratory 2010-2011