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working hard!
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working hard!
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Achievements

Achievement: Pair Extraordinairex3Achievement: Pull Sharkx2Achievement: YOLO

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ethanleighfellows/README.md

Ethan Leigh-Fellows

I’m a product builder focused on AI governance & security.

Currently at DynamoAI (YC22), I'm developing solutions to tackle AI security vulnerabilities like prompt injection, jailbreaks and around information security. Before that, I was at Pitchlane, where I helped shape and ship an early-stage B2B SaaS product.

Education

University of Bath
BSc Business (Hons), First-Class Honours
Class of 2025

GitHub

I learn by building. My GitHub is a sandbox for personal projects, prototypes, and experiments where I test out ideas end-to-end.

Links

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  1. CTranslate2-Standalone-Language-Translation CTranslate2-Standalone-Language-Translation Public

    A standalone, barebones Python script to translate large datasets or individual strings from English to French (fr), Italian (it), and Portuguese (pt) using CTranslate2 and HuggingFace Transformers.

    Python

  2. user-prompt-perturbation user-prompt-perturbation Public

    A batch-processing utility for applying 23+ PyRIT prompt converters to Excel/CSV datasets. Automatically encodes, obfuscates, and transforms text prompts at scale.

    Python

  3. crescendo-attack-simulator crescendo-attack-simulator Public

    Standalone UI + API app for running multi-turn Crescendo-style attack simulations and exporting run results.

    Python

  4. dynamofl/foundation-model-synthetic-data-generation dynamofl/foundation-model-synthetic-data-generation Public

    This repository provides an automated pipeline for generating high-quality, diverse, and policy-specific synthetic data (user prompts) for benchmarking LLM guardrails from foundation models.

    Python

  5. anti-track anti-track Public

    Strips UTM identifiers before they hit the destination. Lightweight and ideal for maintaining privacy online.

    TypeScript

  6. workout-analyzer workout-analyzer Public

    A client-side web application for analyzing weightlifting and fitness data exported from workout tracker logs (like Strong). It processes data locally in the browser to generate visualizations and …

    TypeScript