• Full stack product analytics that supports bioimaging technology and programs• ETLing data for AI models• Data science intern manager

Product analytics for a biomedical research discovery app

Data scientist for Wealthfront's free financial planning product.• Designed metrics for product area• Conducted in-app A/B experiments to improve onboarding and account funding conversion (R, tidyverse)• Performed demographic analyses to predict and learn about user engagement with the Wealthfront app (R, tidyverse)• Wrote several data pipelines, enabling Wealthfront to monitor all email-related AB experiments, affiliate performance, and different account funding metrics (git, Scala, Spark)• Built and maintained internal shiny dashboards for financial planning, blog content, and marketing (R, shiny)

Built WhirlWind, a web app that recommends time-efficient walking tours of San Francisco attractions• Scraped, processed, and engineered features from Tripadvisor reviews• Developed a pipeline using k-means clustering + Dijkstra's algorithm to generate "highly-rated" walking routes and validated my recommendations on hundreds of simulated cities.• Deployed whirlwind.site with an interactive map using Flask, AWS, Google Maps API, and Folium

Led original interdisciplinary research projects• Developed hierarchical Bayesian models using Stan to infer multiple populations of exoplanets from real datasets (mc-stan.org)• Collaborated with civil engineers to apply a network-based frequency analysis to uncover more realistic features in exoplanet distributions (csun.uic.edu/codes/NFA.html)• Designed and organized a worldwide data challenge for the exoplanet and astrostatistics communities to quantify the "evidence" for n-planets in time series data (github.com/EPRV3EvidenceChallenge/Inputs/)Collaborated with exoplanet research teams at various institutes (University of Canterbury, University of Nevada Las Vegas)• Developed an efficient pipeline to compute quantitative evidences of competing orbital models (i.e., Bayes factors) for thousands of real and synthetic Doppler time series dataAdvised one graduate and two undergraduate students who worked on publishable research projects• http://adsabs.harvard.edu/abs/2018ApJ...867...75DInvited to and participated in grant selection committees at NU and NASAFounded and organized efforts to enhance data science activities at NU• Maintained a university-wide listserv of data scientists• Led data science/Python hacking events aimed at NU undergraduate and graduate students• Wrote a matching algorithm for a penpal program that connects elementary school students from underrepresented backgrounds in science to university scientists. Achieved ~10^6 speedup over a manual matching process.

Led two analyses of dynamically complex multi-planet systems• Estimated the planet masses and orbital parameters using our homebrewed differential evolution Markov chain Monte Carlo (C++/CUDA) applied to their star's Doppler observations• Determined if each orbital model was dynamically stable using the MERCURY integrator (Fortran)Wrote an importance sampling algorithm (Python, numpy) to compute the Bayesian evidence for n-planets in data: github.com/benelson/FMLWorked with other local exoplanet research teams and coauthored papers with themTeaching assistant for a summer session on Bayesian Computing for Astronomical Data Analysis: http://astrostatistics.psu.edu/su14/program.htmlScience organizing committee member of Emerging Research in Exoplanet Science Symposium 2015: http://eres-symposium.org/

Developed code in C++ for a differential evolution Markov chain Monte Carlo applied to exoplanet observations and wrote a CUDA version that attained ~5x speedup over the OpenMP versionRegularly sent batch jobs to UF's supercomputing cluster HiPerGator and later analyzed 100+ GB worth of resultsPromoted UF and NASA funded research at various conferencesTaught and developed materials for astronomy courses• teaching assistant for intro astronomy class (4 semesters)• guest lecturer for undergraduate/graduate level exoplanets class• guest author for astrobites.comDepartment webmaster for 1 year