We're building on the bleeding edge of AI, simulating human preference and actions via our revealed preference engine. We're already working with category leaders, from hospitality to AI startups, to tell them what their customers want in minutes.
Rehearsals is backed by a16z, 25madison, Factorial Fund, 1Flourish, and notable angel investors from DeepMind and OpenAI including Logan Kilpatrick. The founding team is ex-DeepMind, Databricks, and Google Labs.
We have founded acquired companies (x2), led Gemini computer-use and tool-use, built Google Lens, post-trained SOTA coding models, and been awarded 25+ patents between us. Our customers include F50 public companies, unicorn tech startups and household name B2C products.

CEO & Co-Founder
Liam led Project Mariner at Google Labs, where he helped launch the Gemini 1.5 API and explored new ways to bring generative AI to developers. He's a former Product Manager at Microsoft and Google Maps, and previously founded a VC‑backed startup. Liam has a computer science background and is a content creator.
Liam led Project Mariner at Google Labs, where he helped launch the Gemini 1.5 API and explored new ways to bring generative AI to developers. He's a former Product Manager at Microsoft and Google Maps, and previously founded a VC‑backed startup. Liam has a computer science background and is a content creator.


CTO & Co-Founder
David led the Computer Vision team at Wayfair, where he shipped their first AR/VR app and was featured by Apple, and built teams from the ground up. He's also founded startups in blockchain and web design. David is a Boston College alum, he brings both technical depth and product intuition to everything he builds.
David led the Computer Vision team at Wayfair, where he shipped their first AR/VR app and was featured by Apple, and built teams from the ground up. He's also founded startups in blockchain and web design. David is a Boston College alum, he brings both technical depth and product intuition to everything he builds.


Co-Founder
Daniel is a founder and ML researcher with experience at Databricks and Microsoft. His last company, focused on automating healthcare ops, was acquired by the largest virtual autism care provider in the U.S. Daniel is passionate about building intelligent systems that feel natural, adaptive, and deeply useful.
Daniel is a founder and ML researcher with experience at Databricks and Microsoft. His last company, focused on automating healthcare ops, was acquired by the largest virtual autism care provider in the U.S. Daniel is passionate about building intelligent systems that feel natural, adaptive, and deeply useful.


Head of Growth
Eunice leads growth at Rehearsals, bringing deep 0-to-1 experience from Future, a fintech company where she was the first hire, and most recently as founder and CEO of a consumer tech startup. A Stanford alum, she is a thought leader in sustainability and Gen Z consumer behavior, with features in Seventeen, PureWow, Gotham, and more. Outside of building companies, Eunice chases bold adventures and has traveled to over 75 countries - more than half solo.
Eunice leads growth at Rehearsals, bringing deep 0-to-1 experience from Future, a fintech company where she was the first hire, and most recently as founder and CEO of a consumer tech startup. A Stanford alum, she is a thought leader in sustainability and Gen Z consumer behavior, with features in Seventeen, PureWow, Gotham, and more. Outside of building companies, Eunice chases bold adventures and has traveled to over 75 countries - more than half solo.


Founding Engineer
Brian was previously a Senior ML Engineer at Google, where he helped launch Gemini Tool Agents at DeepMind and drove $100M+ in impact through Search Ads models. Brian also created and taught Brown University's graduate Deep Learning course. Brian brings rare experience at the intersection of frontier AI and scaled real‑world systems.
Brian was previously a Senior ML Engineer at Google, where he helped launch Gemini Tool Agents at DeepMind and drove $100M+ in impact through Search Ads models. Brian also created and taught Brown University's graduate Deep Learning course. Brian brings rare experience at the intersection of frontier AI and scaled real‑world systems.


Founding Engineer
Reid previously worked on AI engineering at IBM and led multimodal AI ad generation tools as part of an acquihire to Omnicom. Reid holds a degree in Electrical and Computer Engineering from the University of Wisconsin. Reid brings a unique blend of creative AI and infrastructure experience to the team.
Reid previously worked on AI engineering at IBM and led multimodal AI ad generation tools as part of an acquihire to Omnicom. Reid holds a degree in Electrical and Computer Engineering from the University of Wisconsin. Reid brings a unique blend of creative AI and infrastructure experience to the team.


Chief Design Officer
Jess was one of the founding designers of Google Lens and led design for multimodal AI and AR Camera experiences at Google. She was awarded 25+ design patents for real-time multimodal interactions, scene understanding, and audiovisual interfaces. Before Google, she worked at design agencies Huge and Teehan+Lax (acquired by Meta) designing for a breadth of industries. Jess brings a rare blend of craft, systems thinking, and a vision for intuitive AI experiences.
Jess was one of the founding designers of Google Lens and led design for multimodal AI and AR Camera experiences at Google. She was awarded 25+ design patents for real-time multimodal interactions, scene understanding, and audiovisual interfaces. Before Google, she worked at design agencies Huge and Teehan+Lax (acquired by Meta) designing for a breadth of industries. Jess brings a rare blend of craft, systems thinking, and a vision for intuitive AI experiences.


Head of Sales
Neil leads sales and go-to-market at Rehearsals, bringing an investor-operator lens to building durable revenue. He is a Partner at 1Flourish, where he invests in and advises early-stage technology companies, and is also an active angel investor in startups across consumer and enterprise. Previously at Google, Neil worked on commercial strategy and partnerships for new products. He also founded and scaled Abide, a consumer subscription business used by millions.
Neil leads sales and go-to-market at Rehearsals, bringing an investor-operator lens to building durable revenue. He is a Partner at 1Flourish, where he invests in and advises early-stage technology companies, and is also an active angel investor in startups across consumer and enterprise. Previously at Google, Neil worked on commercial strategy and partnerships for new products. He also founded and scaled Abide, a consumer subscription business used by millions.

New York • Full Time
The title is the job. Predictions sit at the center of everything we do, and you orchestrate them. Our system autonomously takes a customer's hardest question, builds a set of simulations, and hands back an answer they can act on. Your day is using proprietary tools, tuning inputs and outputs and pushing our automation further, doing it faster and sharper each time. No two questions are the same, and they only get more...
New York • Full Time
The title is the job. Predictions sit at the center of everything we do, and you orchestrate them. Our system autonomously takes a customer's hardest question, builds a set of simulations, and hands back an answer they can act on. Your day is using proprietary tools, tuning inputs and outputs and pushing our automation further, doing it faster and sharper each time. No two questions are the same, and they only get more...
New York • Full Time
Build the full-stack experience of how the world will experience the future of AI simulations in a modern web dev stack (TypeScript, Next, React). Work on our data stack, including being the in-house expert on data scraping. Run experiments to improve our revealed preference and simulation engines. Work on infrastructure such as research tooling, CI/CD, and internal code review agents that scales our impact. We are...
New York • Full Time
Build the full-stack experience of how the world will experience the future of AI simulations in a modern web dev stack (TypeScript, Next, React). Work on our data stack, including being the in-house expert on data scraping. Run experiments to improve our revealed preference and simulation engines. Work on infrastructure such as research tooling, CI/CD, and internal code review agents that scales our impact. We are...
New York • Full Time
The title is the job. Ask what you do, and the answer is one word. Sales. We are growing fast and we need someone who can close. You own the full sales cycle into the biggest consumer brands in the world, from first outreach to signed contract. You carry a number, you build your own pipeline, and you hit it. This is a hunter's seat. The product wins the room once people see it. Your job is to get them in the room, build the...
New York • Full Time
The title is the job. Ask what you do, and the answer is one word. Sales. We are growing fast and we need someone who can close. You own the full sales cycle into the biggest consumer brands in the world, from first outreach to signed contract. You carry a number, you build your own pipeline, and you hit it. This is a hunter's seat. The product wins the room once people see it. Your job is to get them in the room, build the...
New York • Full Time
Closing a deal is the start. This role is about everything after. You own Rehearsals' most important customer relationships for the long term. The biggest brands in the world sign with us, and you turn that first contract into a partnership that lasts years. You make customers succeed, you grow the account, and you renew it. The best people in this seat are trusted like an extension of the customer's own team, in the room for...
New York • Full Time
Closing a deal is the start. This role is about everything after. You own Rehearsals' most important customer relationships for the long term. The biggest brands in the world sign with us, and you turn that first contract into a partnership that lasts years. You make customers succeed, you grow the account, and you renew it. The best people in this seat are trusted like an extension of the customer's own team, in the room for...