Jolie McDonnell
Data Scientist at FirstParty- Claim this Profile
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Bio
Credentials
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Active Secret Security Clearance
United States Department of DefenseJun, 2021- Oct, 2024
Experience
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FirstParty
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Computer Software
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Data Scientist
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Jul 2022 - Present
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Johns Hopkins Whiting School of Engineering
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United States
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Higher Education
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300 - 400 Employee
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Optimization Researcher
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Jan 2021 - Present
‐ Ran experiments in MATLAB to determine the relationship between entropy and heterogeneity, in order to solve the seeded graph matching problem
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Machine Learning Researcher
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Apr 2020 - Dec 2020
‐ Built a neural network class from scratch using PyTorch to quickly process hundreds of thousands of data points ‐ Researched the effect of a neural network’s architecture on its performance, finding that networks with more sparsely connected nodes run faster and produce well‐fitting models ‐ Analyzed and fine‐tuned the network using Monte Carlo simulations and hyper parameter adjustments
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Consulting Intern
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Jun 2020 - Present
‐ Analyzed sentiment of thousands of tweets, revealing a correlation between surprise, disgust, and false news ‐ Built a sentiment‐based natural language processing model using BERT for a tool which halts the spread of online misinformation ‐ Organized and advised a NATO war game to determine the top technical solution to widespread misinformation out of 47 companies ‐ Published a paper in the NATO review and presented to the Czech Ministry of Defense ‐ Analyzed sentiment of thousands of tweets, revealing a correlation between surprise, disgust, and false news ‐ Built a sentiment‐based natural language processing model using BERT for a tool which halts the spread of online misinformation ‐ Organized and advised a NATO war game to determine the top technical solution to widespread misinformation out of 47 companies ‐ Published a paper in the NATO review and presented to the Czech Ministry of Defense
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The Johns Hopkins University Applied Physics Laboratory
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United States
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Defense and Space Manufacturing
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700 & Above Employee
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Data Scientist
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Feb 2021 - Nov 2021
‐ Extracted features for time‐series data using Numpy and Pandas and built more robust models by selecting top features using Sci‐Kit learn, A/B testing, and Pearson correlations ‐ Improved missile tracking and false threat detection using computer vision analysis and machine learning, increasing classification model accuracy by 95% ‐ Programmed Monte Carlo iterations in parallel and built visual plots, like ROC curves, in MATLAB to optimize clustering thresholds ‐ Collaborated with… Show more ‐ Extracted features for time‐series data using Numpy and Pandas and built more robust models by selecting top features using Sci‐Kit learn, A/B testing, and Pearson correlations ‐ Improved missile tracking and false threat detection using computer vision analysis and machine learning, increasing classification model accuracy by 95% ‐ Programmed Monte Carlo iterations in parallel and built visual plots, like ROC curves, in MATLAB to optimize clustering thresholds ‐ Collaborated with Networked Sensors and Integrated Fires team in the Air and Missile Defense department ‐ Obtained Active Secret Security Clearance Show less ‐ Extracted features for time‐series data using Numpy and Pandas and built more robust models by selecting top features using Sci‐Kit learn, A/B testing, and Pearson correlations ‐ Improved missile tracking and false threat detection using computer vision analysis and machine learning, increasing classification model accuracy by 95% ‐ Programmed Monte Carlo iterations in parallel and built visual plots, like ROC curves, in MATLAB to optimize clustering thresholds ‐ Collaborated with… Show more ‐ Extracted features for time‐series data using Numpy and Pandas and built more robust models by selecting top features using Sci‐Kit learn, A/B testing, and Pearson correlations ‐ Improved missile tracking and false threat detection using computer vision analysis and machine learning, increasing classification model accuracy by 95% ‐ Programmed Monte Carlo iterations in parallel and built visual plots, like ROC curves, in MATLAB to optimize clustering thresholds ‐ Collaborated with Networked Sensors and Integrated Fires team in the Air and Missile Defense department ‐ Obtained Active Secret Security Clearance Show less
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IBM
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IT Services and IT Consulting
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1 - 100 Employee
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IBM Watson Research Intern
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2018 - Apr 2019
‐ Used machine learning classification and fMRI data on ~80 subjects to predict conversion to psychosis in schizophrenic patients ‐ Published paper in the SPIE Medical Imaging Journal ‐ Won the Acorda Scientific Excellence Award, presented research on the Lisa Wexler Show, and won 4th Place in Bioinformatics category at WESEF, a top science fair ‐ Used machine learning classification and fMRI data on ~80 subjects to predict conversion to psychosis in schizophrenic patients ‐ Published paper in the SPIE Medical Imaging Journal ‐ Won the Acorda Scientific Excellence Award, presented research on the Lisa Wexler Show, and won 4th Place in Bioinformatics category at WESEF, a top science fair
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Education
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Johns Hopkins Whiting School of Engineering
Masters of Science in Engineering - MSE, Data Science -
Johns Hopkins Whiting School of Engineering
BS-Applied Mathematics and Statistics, Data Science -
Dobbs Ferry High School
High School Diploma, 4.5