Dimitri Lanssens in

Dimitri Lanssens

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Interim COO/CEO at BrierBrook
📍 Sydney, New South Wales, Australia

Dimitri is a seasoned global executive with over 20 years of experience scaling SaaS and information services businesses across North America, Europe, and Asia Pacific. People who have worked with him describe him as visionary, strategic, and motivating, with incredible emotional intelligence. He holds a postgraduate degree from Hogeschool Universiteit Brussel.

Originally from Belgium, Dimitri lives on Sydneys Northern Beaches with his wife and two children. He is a passionate advocate for youth mental health and has shown philanthropic interest in causes supporting environmental conservation and children with disabilities. He has also been a guest lecturer at the University of Sydney Business School.

Unique fact: He has led major business units for Gartner across four different continents: Europe, Africa, North America, and Australia.

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Experience
25 Years
Current Role
Interim COO/CEO
Location
Sydney, New South Wales, Australia
Personality Overview

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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 Dimitri cares about

Scaling SaaS Businesses
He has a proven track record of scaling SaaS and information services businesses to over $100M+ in annual recurring revenue in both public and VC-backed environments.
Go-to-Market Strategy
Throughout his career as a CEO and Managing Director, he has significant experience launching new and effective go-to-market models to accelerate revenue growth.
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Career

Work history

6-2025
Interim COO/CEO
BrierBrook
1-2023 - 3-2025
Chief Executive Officer
Clear Dynamics
9-2021 - 9-2022
Managing Director
Talkwalker
1-2019 - 12-2020
Managing Vice President Gartner ANZ
Gartner
1-2016 - 1-2019
Managing Vice President Financial Services and Gartner Invest
Gartner
In the press

Media appearances

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Education
1997 - 1998
Postgraduate Degree
Hogeschool Universiteit Brussel - a subsidiary of the Catholic University of Leuven
1993 - 1997
Master's
Hogeschool Universiteit Brussel - a subsidiary of the Catholic University of Leuven
High School/ Secundary Education
Saint Amandus college
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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