Chief of Staff to the CEO, Exa

$100-200k

Offers Equity

Mid and Senior level

San Francisco Bay Area

More information about location

5 days a week in office

Search infrastructure for AI

Job no longer available

Search infrastructure for AI

101-200 employees

B2CB2BArtificial Intelligence

Job no longer available

$100-200k

Offers Equity

Mid and Senior level

San Francisco Bay Area

More information about location

5 days a week in office

101-200 employees

B2CB2BArtificial Intelligence

Company mission

To understand any query – no matter how complex – and filter the internet to exactly the knowledge required for that query.

Job

Company

Role

Who you are

Be intense and organized. You must be able to derive clarity from the hundreds of continuous data points coming through, prioritize effectively, and execute with little to no oversight
Sometimes, urgent things pop up. Care deeply about the company and make yourself available when needed
You’ve operated in the tech space, ideally supporting leadership at a high-growth startup or running your own
3+ years of experience is required
Low ego, high agency, deeply mission-aligned

What the job involves

We're looking for a Chief of Staff to the CEO (Will Bryk). This is a Level 3 type of CoS role —operating as a true extension of the founder — full context, full trust, full responsibility
Serve as an extension of the founder’s judgment — bringing structure, clarity, and taste to every critical decision
Parse the founder’s inbox to understand the full context behind each thread — prioritize what matters, surface what’s urgent, and quietly handle what doesn’t need to reach the founder
Be a strategic sounding board in company decision-making and strategy — maintain deep context across all functions to ensure clarity, alignment, and high-quality judgment

Our take

The way we currently query AIs means that the models we rely on are themselves reliant on the quality of internet search tools. To answer this, Exa is building a tool that allows AI models to perform the equivalent of a web search, making the models more effective in their responses to our questions.

Exa’s embeddings-based search engine is free of “hallucinations” (those bizarre search query answers that AI sometimes brings back to users). Also, in the same way that LLMs complete sentences, its predictive technology does the same for search queries by providing the next probable link.

It's an alluring product for companies and individuals who want to accelerate their research answers. It's also one of a kind at present, which has led to several successful funding rounds which will help accelerate its product. If it maintains its current momentum, Exa could well be the AI search engine of the future.

Kirsty

Company Specialist at Welcome to the Jungle

Company

Funding (last 2 of 5 rounds)

Sep 2025

$85m

SERIES B

Jul 2024

$17.6m

SERIES A

Total funding: $112.2m

Company HQ

Mission District, San Francisco, CA

Leadership

Will Bryk

(Co-Founder & CEO)

Previously a Software Engineer at Cresta, Intern at Zoox Inc and was the President of the Harvard Undergrad Robotics Club.

Jeffrey Wang

(Co-Founder)

Previously a Member of South Park Commons and was a Software Engineer at Plaid.

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