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<!doctype html>
<html lang="en">
<head>
<title>Blake Bullwinkel</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/png" href="/static/marble.png">
<link rel="stylesheet" type="text/css" href="styles.css">
</head>
<body>
<div class="profile">
<div class="profile-pic">
<img src="static/me.JPG" />
</div>
<div class="profile-text">
<h1>Blake Bullwinkel</h1>
<h3>Data Scientist</h3>
<div class="social">
<a href="mailto:bbullwinkel@microsoft.com" rel="noreferrer">
<img src="static/email.svg" id="in" alt="Email" />
</a>
<a href="https://github.com/blakebullwinkel" target="_blank">
<img src="static/github.svg" id="gh" alt="GitHub" />
</a>
<a href="https://www.linkedin.com/in/blakebullwinkel/" target="_blank">
<img src="static/linkedin.png" id="in" alt="LinkedIn" />
</a>
<a href="https://scholar.google.com/citations?user=EwwZ0JMAAAAJ&hl=en&oi=sra" target="_blank">
<img src="static/scholar.svg" id="in" alt="Scholar" />
</a>
<a href="https://medium.com/@blakebullwinkel" target="_blank">
<img src="static/medium.png" id="me" alt="Medium" />
</a>
</div>
</div>
</div>
<p>
I'm a Data Scientist at Microsoft and recently completed a master's at Harvard's
<a href="https://iacs.seas.harvard.edu/" target="_blank">IACS</a>, where I was advised by
<a href="https://iacs.seas.harvard.edu/people/pavlos-protopapas" target="_blank">Pavlos Protopapas</a>.
My <a href="static/thesis.pdf" target="_blank">thesis</a> focused on using GANs to solve differential
equations. In general, I'm interested in applied machine learning research, particularly when it overlaps
with human-centered domains. I spend my free time running, practicing piano, and working on side projects.
</p>
<p>
In the spring of 2020, I earned my BA from Williams College, where I double majored in math and Chinese.
I spent my junior year studying at the University of Oxford, and before my undergrad years lived in
Hong Kong, Singapore, and Sydney. You can find my <a href="static/resume.pdf" target="_blank">resume</a>
here and should feel free to reach out!
</p>
<h2>Research</h2>
<p>
<span class="pub">Transfer Learning with Physics-Informed Neural Networks for Efficient Simulation of Branched Flows</span><br />
Raphael Pellegrin, Blake Bullwinkel, Marios Mattheakis, Pavlos Protopapas<br />
NeurIPS Workshop on Machine Learning and the Physical Sciences, 2022<br />
<a class="button" href="https://arxiv.org/abs/2211.00214" target="_blank">arXiv</a>
<a class="button" href="https://neurips.cc/media/PosterPDFs/NeurIPS%202022/56854.png" target="_blank">Poster</a>
</p>
<p>
<span class="pub">DEQGAN: Learning the Loss Function for PINNs with Generative Adversarial Networks</span><br />
Blake Bullwinkel, Dylan Randle, Pavlos Protopapas, David Sondak<br />
ICML Workshop on AI for Science (AI4Science), 2022<br />
<a class="button" href="https://arxiv.org/abs/2209.07081" target="_blank">arXiv</a>
<a class="button" href="static/deqgan_poster_ai4science.pdf" target="_blank">Poster</a>
</p>
<p>
<span class="pub">Evaluating the Fairness Impact of Differentially Private Synthetic Data</span><br />
Blake Bullwinkel, Kristen Grabarz, Lily Ke, Scarlett Gong, Chris Tanner, Joshua Allen<br />
ICML Workshop on Theory and Practice of Differential Privacy (TPDP), 2022<br />
<a class="button" href="https://arxiv.org/abs/2205.04321" target="_blank">arXiv</a>
<a class="button" href="static/dp_fairness_poster.pdf" target="_blank">Poster</a>
</p>
<hr style="height:4px; visibility:hidden;" />
<h2>Projects</h2>
<div class="project-container">
<p>
<span class="pub">Marble Groceries</span><br />
Led a team of software engineers and business development managers to develop an iOS app that helps users understand the environmental impact of their grocery purchases by scanning product barcodes.<br />
<a class="button" href="https://apps.apple.com/us/app/marble-groceries/id1606374023?platform=iphone" target="_blank">App Store</a>
</p>
<div class="project-img">
<img src="static/marble-thumbnail.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Linearized Neural Nets for Transfer Learning with GPs</span><br />
Implemented the method for transfer learning proposed in <i>Fast Adaptation with Linearized Neural Networks</i>, a <a href="https://arxiv.org/pdf/2103.01439.pdf" target="_blank">2021 paper</a> by Maddox et al., in TensorFlow and performed experiments to test its practical utility.<br />
<a class="button" href="static/linearized-nets-notebook.html" target="_blank">Notebook</a>
<a class="button" href="https://github.com/blakebullwinkel/am207_final_project" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/gp-plot.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Classifying the Sounds of NYC</span><br />
Trained and tuned a variety of models to classify audio clips recorded around New York City from the UrbanSound8k dataset into ten different classes.<br />
<a class="button" href="static/ml-report.pdf" target="_blank">Report</a>
<a class="button" href="static/ml-notebook.html" target="_blank">Notebook</a>
</p>
<div class="project-img">
<img src="static/mel-plot.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Modeling ASA Section Membership</span><br />
Constructed binary response generalized linear models to predict whether or not members of the American Statistical Association belonged to at least one section.<br />
<a class="button" href="static/glm-report.pdf" target="_blank">Report</a>
<a class="button" href="https://github.com/yingchenliu98/stat149_final_project" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/gam-smooths.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Forecasting and Classifying Mice Microbiomes</span><br />
Used deep learning to forecast qPCR time series and classify mouse microbiomes into healthy and infected groups based on data provided by researchers at Brigham and Women's Hospital.<br />
<a class="button" href="static/microbiome-notebook.html" target="_blank">Notebook</a>
</p>
<div class="project-img">
<img src="static/qpcr.PNG" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Woof Woof! Computer Vision & NLP App for Austin Pets Alive</span><br />
Attended workshops at the 2021 <a href="https://www.computefest.seas.harvard.edu/" target="_blank">IACS ComputeFest</a> to build a web app that allows users to "chat" with and search for visually similar dogs in the Austin Pets Alive animal shelter by leveraging backend NLP and computer vision models.<br />
<a class="button" href="https://github.com/blakebullwinkel/woof-woof-app" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/woofwoof.PNG" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Wildfire Risk Prediction & Response Optimization</span><br />
Trained tree-based classification models on historical wildfire and weather data to predict the fire risk for a given county and month in California and used mixed-integer programming to determine the optimal assignment of limited firefighters across the state, based on total cost.<br />
<a class="button" href="static/ai-report.pdf" target="_blank">Report</a>
<a class="button" href="https://github.com/teresadatta/CA-Wildfire-Risk-Prediction-and-Optimization" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/wildfire-map.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Predicting the Outcome of the 2020 Election</span><br />
Built k-NN and regularized logistic regression models to predict the outcomes of the 2020 presidential and congressional elections using historical, polling, and fundamentals data.<br />
<a class="button" href="static/election-report.pdf" target="_blank">Report</a>
<a class="button" href="https://github.com/blakebullwinkel/2020-Election-Prediction" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/election-map.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">DreamDiff Python Package</span><br />
Worked in a team of three to develop a Python package that implements forward-mode automatic differentiation (AD), root-finding, optimization, and quadratic spline interpolation.<br />
<a class="button" href="https://github.com/autodiffdreamteam/cs107-FinalProject" target="_blank">Repo</a>
<a class="button" href="https://pypi.org/project/DreamDiff/1.0.1/" target="_blank">PyPI</a>
</p>
<div class="project-img">
<img src="static/grad-desc.gif" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Analysis of Wildfires, Air Quality, and Public Health</span><br />
Conducted time series analysis in R to link spikes in PM2.5 concentration to specific wildfire events in California and used major axis regression to explore correlations between air quality and public health outcomes.<br />
<a class="button" href="static/eps-slides.pdf" target="_blank">Slides</a>
<a class="button" href="https://github.com/Camerajonas/EPS236-Wildfire-Project" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/pm-season.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Predicting Agricultural Crop Quality</span><br />
Built a variety of regression models to predict the quality of crops based on agricultural and weather data.<br />
<a class="button" href="static/pepsico-slides.pdf" target="_blank">Slides</a>
<a class="button" href="https://github.com/blakebullwinkel/pepsico-data-science" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/yeo-johnson.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Modeling Electricity Consumption in the US</span><br />
Built linear regression models to predict household electricity consumption in the US from various residential characteristics.<br />
<a class="button" href="static/electricity-report.pdf" target="_blank">Report</a>
<a class="button" href="https://github.com/blakebullwinkel/electricity-consumption" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/electricity-histograms.png" />
</div>
</div>
<div class="project-container">
<p>
<span class="pub">Early Epidemiological Model Parameters for COVID-19</span><br />
Modeled early-stage COVID-19 case data in mainland China using systems of ordinary differential equations.<br />
<a class="button" href="static/covid-slides.pdf" target="_blank">Slides</a>
<a class="button" href="https://github.com/blakebullwinkel/covid-modeling" target="_blank">Code</a>
</p>
<div class="project-img">
<img src="static/covid-histograms.png" />
</div>
</div>
<br />
<footer>
<p style="text-align:right;font-size:small;">
Website template by <a href="https://mittal.ai">Gautam Mittal</a><br>
Last updated November 2022
</p>
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