Liza Katz

AI21 Labs is a leading AI company building foundation models and AI systems. Human or Not is a Social Turing Game where you chat with someone for two minutes and try to figure out if it was a fellow human or an AI bot.

I led the development of the project and scaled the system to handle millions of conversations.

**Webby Award Winner!**

Built for a global risk management and intelligence company providing geopolitical analysis and security consulting.

I developed an AI assistant providing comprehensive threat intelligence and geo-spatial analysis. The system integrates multiple geopolitical datasets for proactive threat mitigation using AWS, OpenSearch, and Claude.

Presented at AWS re:Invent.

Cover is an Israeli insurance technology company that simplifies insurance management for consumers.

I designed and implemented an AI powered data analytics pipeline to enable intelligent policy analysis and customer support automation using ClickHouse and OpenAI.

Built for a knowledge base platform that helps organizations create and share documentation for employee training and support.

I developed hybrid search combining keyword and semantic search, significantly improving customer article discovery and support efficiency using Elasticsearch and AWS Bedrock.

**Google AI Hackathon Winner!**

Tube Uni is an AI-powered application that generates custom podcasts on any topic.

I built this project using Gemini 1.5 Pro, creating a system that transforms any subject into engaging audio content with natural-sounding conversations.

Nayax is a global fintech company providing cashless payment and management solutions for unattended retail and vending machines.

I built a ReAct AI assistant for vending machine operators, improving maintenance workflows and customer service. The solution uses a custom OpenAI deployment on Azure with prompt engineering, automation, evaluation, and monitoring.

mygoods is an order fulfillment platform that helps e-commerce businesses manage inventory and shipping operations.

I developed the analytics strategy and Elasticsearch integration, building customer dashboards for inventory management and order analytics that provide real-time business insights.

Outburn is a healthcare technology company specializing in FHIR-based interoperability solutions for medical data exchange.

I prepared their healthcare API codebase for open source contributions, building an automation pipeline with GitHub Actions, TypeScript implementation, and comprehensive contribution documentation.