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Jean-Denis Greze
CTO of Plaid and experienced technology executive
Jean-Denis Greze is the Chief Technology Officer (CTO) at Plaid, a prominent fintech company that provides a data network for financial services.1 Here's an overview of his background and career:
Professional Experience
Jean-Denis joined Plaid in March 2017 as Head of Engineering and was promoted to CTO in May 2021.2 Prior to Plaid, he held notable positions including:
- Director of Engineering at Dropbox (2013-2017)
- Engineering at Applied Academics LLC (2010-2013)
- Associate at Sullivan & Cromwell (2007-2008)
Education
Jean-Denis has a strong educational background:
- JD from Harvard Law School (magna cum laude)
- MS in Computer Science from Columbia University
- BS in Computer Science from Columbia University (with academic honors)
Other Roles and Interests
- Co-investor at ASDF Ventures
- Advisor for Applied Academics LLC
- Angel investor in various startups
Personal
Jean-Denis lives in San Francisco with his family. He has lived in various cities around the world, including Boston, Chicago, Lausanne, Los Angeles, New York City, Paris, Santiago, and Shanghai.4
Leadership Philosophy
As CTO at Plaid, Jean-Denis focuses on:
- Scaling engineering teams and optimizing for impact
- Encouraging employee mobility within the organization
- Emphasizing privacy engineering and security
- Building a culture of ownership
Jean-Denis is known for his insights on engineering leadership, team building, and the future of fintech.3 His LinkedIn username is jeandenisgreze.2
Highlights
We thought we knew how people would use Town. We were wrong—in the best way.
When we launched our beta, we had a handful of workflows we thought would be useful. Inbox management, morning briefings, basic scheduling.
Then we watched what people actually did.
Users started building workflows we hadn't anticipated. Automating deal pipelines. Tracking competitive moves. Filing contracts. Running weekly status reports across entire teams. Turning user feedback into PRDs. And yes… putting documents together for their taxes.
The best part? These weren't power users with engineering backgrounds. These were ops leads, recruiters, coaches, real estate agents, business owners, founders... People who saw a pain point in their day and said "my assistant should handle this."
So we did something simple. We took some common patterns and turned them into templates. Over 20 now, with more coming. My favorites: competitive intel (https://t.co/U2rsbEKAiB) and we user research (https://t.co/mwY71FixyO).
And even better we’ve made it trivial for users to share their workflows with others. Now anyone can show off their clever life hacks with their coworkers, friends, or really anyone who would benefit.
This is what I love about building Town. We're not prescribing how you should work. We're watching how you actually work and making it easier to replicate.
We've seen some seriously creative workflows from early beta users. We'll be sharing our favorites from users soon -- stay tuned.
I love the claw, but Elon’s not wrong here. It’s why we’ve focused on privacy, security, and safety from day 1 at @TownAI while making sure the product is powerful enough to automate much of work!


