Sietske Leenders in

Sietske Leenders

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Directeur & mede-eigenaar at Peakfort
📍 Amersfoort, Utrecht, Netherlands

Sietske Leenders is the Director of Operations and co-owner of Peakfort, a prominent B2B marketing and media agency in the Netherlands. With a Bachelor of Communication, she connects strategy with creative content and AI. Colleagues describe her as proactive, creative, and reliable, noting her ability to manage teams and execute campaigns.

Outside of her executive role, Sietskes background as a television producer for major Dutch broadcasters like NEP suggests a deep-seated passion for media and creative storytelling. Her personality is often described as positive, humorous, and enthusiastic, bringing a vibrant energy to her professional and personal interactions.

Following a successful management buy-out in 2024, Sietske became a formal co-owner of her company, Peakfort.

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Experience
12 Years
Current Role
Directeur & mede-eigenaar
Location
Amersfoort, Utrecht, Netherlands
Personality Overview

How Sietske shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Sietske cares about

Strategic B2B Marketing
Her entire career focus is on connecting strategy, creative content, and AI to achieve measurable results for B2B clients.
Operational Management
As Director of Operations and co-owner, she is formally responsible for the operational management of the marketing agency with approximately 35 employees.
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Career

Work history

9-2024
Directeur & mede-eigenaar
Peakfort
1-2023 - 9-2024
Operations manager
Peakfort
7-2018 - 12-2022
Marketingmanager
Peakfort
6-2017 - 12-2020
Marketingmanager
Kei Sterk
4-2016 - 5-2017
Producer
NEP The Netherlands
In the press

Media appearances

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Education
2015 - 2018
Bachelor of Communication
HU University of Applied Sciences Utrecht (Hogeschool Utrecht)
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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