David Stefan

Critic
DISC Type : C

CTO at letsagent

Prague, Czechia

Overview

David Stefan is a technology leader focused on building AI-native experiences. With a background as Head of Engineering at CarbonChain and Director of Engineering at City Pantry, he has a history of leading and expanding technical teams. He holds a Masters Degree from UCL and is an expert problem-solver.

Outside of his professional life, David has a lifelong passion for building and fixing mechanical objects, from bicycles to engines. He is a certified RYA Day Skipper, reflecting a strong interest in sailing, and is actively involved in Londons climate technology community, hosting local meetups.

Unique fact: He holds an RYA Day Skipper certification, showcasing advanced skill and passion for sailing.

Personality Overview

Critic

Precise

Objective Thinker

Unless the value is proven by data, they are unlikely to value fancy features.  They like to take decisions independently and do not seek others' support often. It is very likely that they will negotiate pricing or other important terms.

Topics They Care About

AI-Native Products
His current professional headline and focus is dedicated to building applications and user experiences that are fundamentally centered around artificial intelligence.
Climate Technology
He previously helped lead an engineering team focused on decarbonization and proudly hosts meetups for the London Climate Connection community.
Engineering Leadership
Throughout his career, he has progressed from Lead Developer to CTO, consistently taking on roles to build and manage high-performing technical teams.

Media Appearances

David has no verified media appearances

Work History

2-2025
CTO at letsagent
7-2021 - 4-2024
Head of Engineering at CarbonChain
3-2020 - 5-2021
Director of Engineering at City Pantry
12-2018 - 3-2020
Head of Engineering at City Pantry
11-2015 - 12-2018
Lead Software Developer at City Pantry

Education

2006 - 2010
Master’s Degree from UCL
2002 - 2004
Bachelor’s Degree from Masarykova univerzita

More Information

Social Presence :

Prographics :

Exp : 10 Location : Prague, Czechia Job Level : Leadership Designation : CTO at letsagent
URL has been copied!

Insights For Selling To David

During A Call Or A Meeting

DO's

  • Keep some extra margin while sharing pricing, they are likely to negotiate later
  • Don’t forget to mention how you compare to competition on both features and pricing
  • Use phrases like ‘expect X% improvement’, ‘data clearly shows’ etc.

DONT's

  • Don’t rush them till they have clearly gotten all the necessary information
  • Don’t try too hard to build a relationship with them
  • Don’t try to give too many examples of other users, they like to make their own decisions

When Cold Calling

When Writing An Email

While Negotiating & Closing

    The secret to closing fast with David is

  • Proof of ROI, low pricing and objective proof points are the important factors for them.
  • Will you ever get a clear answer from David

  • They do not mind saying no if they believe that it is the right decision.

Insights For Deal Planning

    How fast (or slow) will David move?

  • Their decision-making is neither very fast nor very slow, they are somewhere in between.
  • Can David take some risk or not?

  • They can take risks if their analysis shows that it would be worth it.

You And David

Personality Compatibility


More Profiles

Discover additional public profiles from our index.

Search more profiles

Looking for someone else? Search here for anyone.

Or visit Humantic AI to know more.