Grant R. Vousden-Dishington

Senior Data Scientist with expertise in machine learning, natural language processing, and time series analysis. Passionate about developing AI solutions that make a positive impact.

💻 Featured Projects

ApneaAssist — ResMed (2024-present)

Greenfield project collaborating with major healthcare provider on sleep apnea screening

• Built time series forecasting models for PAP therapy assessment using ARIMA, LSTM, and tree-based classifiers
• Produced codebase documentation and experimentation management pipeline with DVC and TrueFoundry
• Developed patient clustering system using DBSCAN with novel SHAP-based feature engineering
• Prototyped Contextual Bandit-based recommender system for therapy desistance intervention

Gen AI-based TOEIC Exam questions - ETS (2024)

LLM-based semi-automated content generation for exams

• Prototyped simple RAG system in LangChain
• Experimented with Enterprise LLM services from GPT 3.5 through GPT-4o
• Parsed PDFS from proprietary ETS documents to indexed markdown with marker package
• Developed early pipeline for generating content that either adhered to or violated guideline documents using Evaluation Driven Development (EDD)

Biometric Voice Recognition — ETS (2023)

Anti-fraud system for remote exam proctoring

• Developed Transformer-based Automatic Speaker Verification (ASV) system
• Implemented Huggingface X-Vector embeddings for voice analysis
• Deployed using SageMaker Studio with continuous monitoring
• Ensured fairness across demographics using fairlearn

Online Hate Index — ADL (2019-2022)

Large-scale hate speech detection platform

• Created Huggingface-based text classification models
• Led development of novel hate speech datasets with community input
• Implemented robust Inter-Rater Reliability (IRR) analyses
• Solo Developer of prototype hate speech NLP classifier based on RoBERTa architecture
  • Used to process more than 600,000,000 social media posts
• Co-author of multiple public-facing reports on violative content on social media

Social Media Harassment Tracker — ADL (2020)

Led development of sentiment analysis dashboard

• Built Flask frontend with interactive Bokeh visualizations
• Integrated multiple sentiment APIs (Perspective, Sentropy)
• Developed custom PyTorch classifiers
• Created scalable data collection pipeline using scrapy and BeautifulSoup

Steam Extremist Crawler — ADL (2020)

CLI tool for analyzing extremist networks on Steam platform

• Developed Python crawler for Steam social network analysis
• Implemented n-degree network traversal algorithm
• Generated data for ADL's public Steam Extremism report

💼 Experience

• Senior Data Scientist @ ResMed (2023 - Present)
  • Provider Experience Team member
• Senior Data Scientist @ Educational Testing Service (2022 - 2024)
  • AI Platform Development Team member
• Data Science Lead @ Tata Consultancy Services - Apple Service Team (2022)
  • Contract developer for internal tooks at Apple Global Business Intelligence (GBI)
• Research Software Engineer @ Anti-Defamation League, Center for Technology & Society (2018 - 2022)
  • First FTE Data Science Role at ADL
• Mozilla Open Leaders Mentor @ Mozilla, Volunteer (2017-2020)
  • Project lead in Mozilla's first external round of the program, returned as mentor four times
• Graduate Research Fellow @ UC San Diego, ECE (2011 - 2013)
  • Conducted rotations in cellular neuroscience microscopy, semantic web for neuroscience, and neuroimaging

🛠️ Technical Skills

• Languages & Tools: Python (15+ years), Git/Github (10+ years)
• Data Science: NumPy, Pandas, Scikit-learn, Jupyter (9+ years)
• Machine Learning: PyTorch (3+ years), HuggingFace (2+ years)
• Cloud & DevOps: AWS (S3, EC2, SageMaker), SQL, TrueFoundry
• Visualization: Bokeh, Plotly, Streamlit
• Emerging Tech: LLMs, RAG, Prompt Engineering

🏆 Awards & Recognition

• Operational Excellence Award - ETS, for AI authenticity detection development
• Above and Beyond Work Award - ADL, for 2019 Hanau Shooting response
• NSF Graduate Research Fellowship (2010) - For STEM graduate studies

📚 Education

University of California, San Diego (2011-2014)

• Department of Electrical and Computer Engineering (Ph.D. Dropout)

University of California, Irvine (2006-2011)

• B.S. Computer Science
• B.S. General Engineering
• B.A. Philosophy