Brian Leenen in

Brian Leenen

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Director of Data Engineering at Gain
📍 The Randstad, Netherlands

Brian Leenen is the Director of Data Engineering at Gain, where he has progressed from a Data Engineer role. He leads the AI engineering team in scaling the companys AI capabilities using modern technology. He holds a Master of Science from Erasmus University Rotterdam and has a background in M&A.

Brian maintains a strong interest in public health research, having co-authored a significant study on the mortality effects of secondhand smoke. He also follows prominent international educational institutions, including the National University of Singapore and the International Baccalaureate program.

He co-authored a widely cited medical research paper on the impact of secondhand smoke that was covered by news outlets like CNN.

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Experience
5 Years
Current Role
Director of Data Engineering
Job Level
Mid-senior
Location
The Randstad, Netherlands
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Brian cares about

Scaling AI Systems
He is actively hiring Python engineers to expand and optimize backend systems as Gain scales its artificial intelligence capabilities.
Modern Data Stacks
His team utilizes a modern technology stack, including FastAPI, PostgreSQL/pgvector, and Google Cloud, to build out their systems.
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Career

Work history

1-2024
Director of Data Engineering
Gain
1-2023 - 12-2023
Head of Data Engineering
Gain
7-2021 - 12-2022
Data Engineer & Scientist
Gain
6-2017 - 8-2017
M&A Analyst
Aeternus BV
6-2016 - 5-2017
Internships
Various
In the press

Media appearances

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Education
2019 - 2021
Master of Science (MSc)
Erasmus University Rotterdam
2017 - 2019
Master of Science (MSc)
Erasmus University Rotterdam
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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