Gijs Thieme in

Gijs Thieme

Inquirer · DISC type cd
Owner at Ulthiem Management & Advies B.V.
📍 The Randstad, Netherlands

Gijs Thieme is a Fractional CFO for startups, scale-ups, and PE-backed companies through Ulthiem Management & Advies B. V. , specializing in Data & AI, M&A, and buy & build strategies. He previously held EVP roles at KPN, leading Data Office and Customer Personalisation & Analytics. Gijs holds an MSc from Erasmus University Rotterdam.

Outside of work, Gijs is dedicated to promoting a safer, more social, and greener internet for his children. He values creating a secure online environment and actively contributes to internet safety initiatives.

He had the honor of joining Arun Ulag from Microsoft in a keynote at the Microsoft Fabric Community Conference, sharing KPNs data transformation journey.

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Experience
22 Years
Current Role
Owner
Job Level
Leadership
Location
The Randstad, Netherlands
Personality Overview

How Gijs shows up

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.

Priorities

Topics Gijs cares about

Data & AI Strategy
As Fractional CFO and former EVP Data Office at KPN, Gijs focuses on leveraging Data & AI for strategic growth and transformation within companies.
Mergers & Acquisitions
Gijs specializes in M&A and acquisition integration, a key aspect of his fractional CFO role for PE-backed companies and scale-ups.
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Career

Work history

4-2026
Owner
Ulthiem Management & Advies B.V.
4-2026
Fractional CFO
Team Rockstars IT
1-2024 - 4-2026
EVP Data Office
KPN
1-2023 - 12-2023
EVP Data Office a.i. / EVP CP&A
KPN
1-2022 - 12-2023
EVP Customer Personalisation & Analytics
KPN
In the press

Media appearances

No media yetWe could not find public media appearances for this person.
Education
1997 - 2003
MSc
Erasmus University Rotterdam
Social presence
in
Behavioral profile

DISC profile (public)

c

Calculativeness (C)

Calculativeness (C) reflects the degree to which a person is likely to be cautious, systematic and analytical. Those scoring high tend to emphasise quality and accuracy.

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