Jocelyn D'Arcy

Enigma
DISC Type : dci

Entrpreneurd at Poindexter Labs

London, England, United Kingdom

Overview

Jocelyn is the founder of Poindexter Labs, a UK-based studio that builds high-fidelity STEM reasoning datasets to evaluate and train advanced AI models. An alumna of the University of Oxford and University of Cambridge, she leverages her expertise in data analytics and mathematics to push AI beyond pattern-matching toward proof-level reasoning.

Her background includes pivotal roles in education, such as Chief of Staff at The National Mathematics and Science College, where she designed an award-winning STEM Communication program. Jocelyn is passionate about the connection between data and effective learning, exploring how analytics can enhance educational outcomes and student development.

She has a specific interest in competitive mathematics, seeking out challenging olympiad-level problems to test the limits of AI reasoning.

Personality Overview

Challenger

Hard To Convince

Persuasive & Assertive

They are generally strong communicators and are not easy to convince.  They can sound friendly and charming but can quickly change gears to become inquisitive and probing  They are likely to ask many questions and look heavily for supporting proof as well as information.

Topics They Care About

AI Reasoning
Her company, Poindexter Labs, designs datasets and evaluations to push AI models toward "proof-level reasoning, " moving beyond simple pattern matching.
AI Evaluation
She builds evaluation benchmarks and rubrics with domain experts to rigorously test the capabilities and limitations of large language models.
STEM Education
Previously Chief of Staff at The National Mathematics and Science College, she has a background in curriculum design and supporting student applications to elite universities.

Media Appearances

Jocelyn has no verified media appearances

Work History

7-2025
Entrpreneurd at Poindexter Labs
1-2025 - 7-2025
Technical Project Manager at Labelbox
5-2024 - 3-2025
AI Assessor and Senior Reviewer at Scale AI
3-2022 - 3-2025
Associate at The University Guys
9-2021 - 12-2024
Chief of Staff at The National Mathematics and Science College

Education

2010 - 2014
Master of Science (MSc) from University of Oxford
2004 - 2005
Economics from University of Cambridge

More Information

Social Presence :

Prographics :

Exp : 17 Location : London, England, United Kingdom Job Level : N/A Designation : Entrpreneurd at Poindexter Labs
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Insights For Selling To Jocelyn

During A Call Or A Meeting

DO's

  • Be prepared for a mix of questions and inquisitiveness, answer them in the tone in which they have been asked
  • Let them lead the discussion, create opportunities for them to speak if they are not very forthcoming
  • Build rapport slwly without rushing, it will come handy to handle hard questions later

DONT's

  • Don’t try to rush them into a decision, provide all necessary information first
  • Don’t rely excessively on your relationship with them to win the deal even if you come to form one
  • Don’t brush off any concerns, take all questions seriously. They are easily deterred

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Jocelyn is

  • Proven value, strong objective evidence are important for them, rapport can impact decisions a little.
  • Will you ever get a clear answer from Jocelyn

  • They are practical and friendly, but can give a clear response with a little prodding

Insights For Deal Planning

    How fast (or slow) will Jocelyn move?

  • They like to be detailed, so unless they develop strong conviction, they can take their time to arrive at decisions
  • Can Jocelyn take some risk or not?

  • They evaluate their decisions systematically and do not take risks that often, unless you can get them to develop strong conviction

You And Jocelyn

Personality Compatibility


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