We explore how conversational AI can enhance human experience by personalizing interactions to individual needs, collaborating to augment human decision-making, and providing support during emotionally complex situations. Our interdisciplinary research combines design, HCI, and AI to create voice assistants, chatbots, and interactive agents that respect human agency while enhancing human capabilities.

💬 We’re always brewing something new—pull up a (virtual) chair and say hi.

Questions? Here’s how to reach us:

• Director: Smit Desai (Assistant Professor, CAMD & Khoury College of Computer Sciences)
• Email: [email protected]

What We Study

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Conversational AI

Designing and evaluating chat-based systems such as assistants, agents, and chatbots.

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Human-AI Interaction

Designing AI systems that augment human decision-making and collaboration.

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AI Ethics

Ensuring ethical and responsible design in conventional AI memory and emotional AI systems.

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What we care about

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Our Approach

Our philosophy for building human-centered conversational AI systems.

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Research Thrusts

Key research themes shaping the CHAI Lab’s work on conversational AI.

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CHAI@NU Norms

Principles that guide how we collaborate, conduct research, and build AI responsibly.

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Inside CHAI Lab

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Team

The people behind CHAI Lab’s research, design, and community.

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Research Opportunities

Ways for students and collaborators to contribute to ongoing CHAI Lab projects.

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CHAI Lab Public Talks

Conversations, talks, and events where CHAI Lab shares ideas with the wider community.

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