Dylan Castillo

About

Hey there 👋 I'm the founder of Iwana Labs, a small consulting firm through which I offer freelance services as an AI Engineer and Data Scientist. For the last eight years, I've been helping businesses get value from their data. I've worked for organizations like Deliveroo, the Boston Consulting Group (BCG), the European Commission, and the Olympics. Check the testimonials section, if you're curious about my work there. Some past projects include: - Using Large Language Models (LLMs) to enhance the user onboarding of a product - Enhancing products through chatbot systems with Retrieval Augmented Generation (RAG) - Segmenting millions of users for marketing and personalization purposes - Increasing users' engagement rate by providing personalized content - Identifying the most valuable users for marketing campaigns - Computing and optimizing CLTV by understanding user's behavior These are some of the ML and AI topics I'm most familiar with: - LLMs (e.g., ChatGPT, GPT-4/3.5, Mistral, LLaMA) - NLP (e.g. Sentiment Analysis, Text Similarity, Topic-modeling) - Information Retrieval (e.g. Elasticsearch, Opensearch, Qdrant, Jina) - Supervised learning (e.g. XGBoost, Random Forests, SVM, Neu

Experience

Education