Sarah Jallot

Questioner
DISC Type : c

Chief of Staff at Wandercraft

New York, New York, United States

Overview

Sarah Jallot is an investor, builder, and board member with a background in AI from École Polytechnique. As a Founding Partner at Teampact Ventures, she focuses on climate and health tech. People who have worked with her describe her as analytical, honest, demanding, and reliable, combining emotional and analytical strengths to drive performance.

Outside of her professional life, Sarah is a former elite international fencer who was ranked in the top 3 worldwide in the under-23 category. This experience in high-level sports has instilled in her a strong sense of discipline, resilience, and efficiency, which she applies to her entrepreneurial ventures.

During her fencing career, Sarahs coach nicknamed her "The Butcher, " a testament to her fierce and determined competitive style on the piste.

Personality Overview

Value Seeker

Not Easily Convinced

Systematic

While they don't hesitate to ask questions, they are generally risk-averse and tend to be late adopters.  They prefer to do thorough analysis of any situation. They are more likely than others to negotiate on pricing and terms.

Topics They Care About

Climate & Health Investing
As a Founding Partner of Teampact Ventures, she actively invests in and supports seed and Series A startups focused on climate and health technology.
AI & Founder Assessment
Studied AI at École Polytechnique and later designed, coded, and deployed SCORE, a proprietary founder assessment tool used at her venture fund.
Elite Athletics
A former top-ranked international fencer, she connects high-level athletes with startups through her VC fund, believing their mindsets are similar to entrepreneurs'.

Media Appearances

Sarah has no verified media appearances

Work History

10-2025
Chief of Staff at Wandercraft
9-2024
Board Member at Teampact Ventures
11-2021 - 9-2024
Founding Partner & Investor at Teampact Ventures
5-2023
Investor at Clue
5-2025 - 10-2025
Early Builder - Growth and Operations at Upstream (YC S23)

Education

2019 - 2021
Master of Science - MS from École Polytechnique
2016 - 2021
Master 2 (M2) from HEC Paris

More Information

Social Presence :

Prographics :

Exp : 4 Location : New York, New York, United States Job Level : N/A Designation : Chief of Staff at Wandercraft
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Insights For Selling To Sarah

During A Call Or A Meeting

DO's

  • Back up any claims with data and numbers
  • Emphasise more on facts and measurable benefits
  • If you have a lower priced product compared to the competition, call out the same

DONT's

  • Don’t depend too much on anecdotal evidence, it reduces their confidence
  • Avoid phrases like ‘do not worry about’, ‘no one compares to’ etc.
  • Avoid rushing them, be polite and patient

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Sarah is

  • Confidence that the product provides ROI, effective pricing and process adherence matter the most to them.

  • Will you ever get a clear answer from Sarah

  • It doesn’t come naturally to them but they can say no if they are not convinced.

Insights For Deal Planning

    How fast (or slow) will Sarah move?

  • They can move at a reasonable pace while making their decisions if they have the necessary information.

  • Can Sarah take some risk or not?

  • They can take some risk if they are confident that they have analyzed the circumstances well.


You And Sarah

Personality Compatibility


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