Marcello De Bernardi

Inquirer
DISC Type : dc

Co-Founder & CTO at Plexe AI

London, England, United Kingdom

Overview

Marcello is the London-based Co-Founder and CTO of Plexe AI, a Y Combinator-backed startup building an "autonomous AI engineer" from natural language. With an MSc from the University of Oxford, his background includes leading ML teams at Expedia and developing cloud-first ML deployments at AWS. Colleagues describe him as having exceptional technical expertise and leadership.

Reflecting his international background, Marcello speaks English, Finnish, and Italian. His academic achievements were recognized with honors such as a Cambridge Long Vacation Scholarship, which invited him to spend a month in independent study and research at Kings College, Cambridge.

He co-authored a research paper on a novel method for pseudo-random number generation using Generative Adversarial Networks (GANs).

Personality Overview

Upfront

Judgemental

Hard To Convince

They care equally about the product and its potential impact.  They can be nudged to make faster decisions by offering what they value. They don’t always try to control the conversation but neither do they like yielding it fully.

Topics They Care About

AI Agent Technology
His startup, Plexe AI, is building a self-correcting team of AI agents to fully automate the machine learning workflow, from data preparation to deployment.
ML Model Deployment
He founded Plexe AI to solve the problem of ML projects failing to launch due to long, complex deployment cycles, aiming to make it 10x faster.
Startup Team Building
As a co-founder, he is actively hiring for core roles like Forward Deployed Engineers to scale Plexe AI and work directly with customers.

Media Appearances

Marcello has no verified media appearances

Work History

2-2025
Co-Founder & CTO at Plexe AI
10-2024 - 2-2025
Machine Learning Engineer III at Expedia Group
11-2022 - 10-2024
Manager, Machine Learning Engineering at Expedia Group
11-2021 - 11-2022
Machine Learning Scientist III at Expedia Group
7-2021 - 10-2021
Staff Consultant (Data Science) at Amazon Web Services (AWS)

Education

2018 - 2019
Master of Science (MSc) from University of Oxford
4-2025 - 6-2025
Co-founder @ Plexe AI (X25) from Y Combinator

More Information

Social Presence :

Prographics :

Exp : 6 Location : London, England, United Kingdom Job Level : Leadership Designation : Co-Founder & CTO at Plexe AI
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Insights For Selling To Marcello

During A Call Or A Meeting

DO's

  • Highlight the competitive differentiation of your product
  • Tell them that you are there to help them create visible impact within their organization
  • Make sure that they have the necessary authority, they could present false stature sometimes

DONT's

  • Do not give up if they are not convinced, try again with a different approach
  • Don't try too hard to get friendly, let it happen with time
  • Avoid repeating yourself or making generalizations

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with Marcello is

  • Confidence in the product plays an important role, followed by powerful testimonials.
  • Will you ever get a clear answer from Marcello

  • They might hesitate a little, but they will say no if they are not convinced.

Insights For Deal Planning

    How fast (or slow) will Marcello move?

  • Their decision making speed is somewhere in the middle.
  • Can Marcello take some risk or not?

  • Once they have analyzed the pros and cons, they can take some risks.

You And Marcello

Personality Compatibility


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