Our team

We work with our network of expert consultants and business culture thought-leaders to help your organization to build winning cultures.

Fons Trompenaars

Fons is a Dutch organizational theorist and founder and director of intercultural management consultancy Trompenaars Hampden-Turner. He is recognized around the world for his work as a consultant, trainer, motivational speaker and author of various books on all subjects of... Read more

Charles Hampden-Turner

Dr. Charles Hampden-Turner is a British management philosopher and a distinguished business consultant, academic researcher and esteem co-founder of THT. Charles has worked as a consultant for leading companies including Apple, Shell, BP, Digital Equipment, The Economic Council of Canada,... Read more

"Trompenaars Hampden-Turner began with Charles and I in 1989, I remember Charles saying, "I am afraid that people are going to steal our ideas, now that I am older, I am afraid they don’t. What you ever amount to is what you give away"  

Fons Trompenaars

Riding the Waves of Culture

The bestselling guide to leading effectively in a global business environment―recently updated to the 4th edition to address radical changes in politics, society, economics and tech.

Core staff members

Peter Woolliams

Peter is our esteem knowledge partner. He has worked extensively as an academic and management consultant throughout the world with... Read more

Phyllis Stewart

Phyllis oversees operations with direct support for our clients and network partners. Phyllis is Fons' assistant with responsibility for the... Read more

Maarten Verburg

Maarten leads Trompenaars Hampden-Turner's digital transformation and innovation. Maarten is our Technology Implementer in the broadest sense supporting Trompenaars Hampden-Turner’s... Read more

Hank van der Merwe

Hank leads our global consulting and is an internationally recognized leadership development strategist, facilitator, keynote speaker, consultant, coach and author... Read more

Iryna Shvartsblat

As of September 2023, Iryna project manages all aspects of a learning product creation, from conception to successful release. She... Read more

Meet some of our past and present interns

We value our interns enormously and provide the relevant work experience which helps students put their education into practice, develop their leadership skills which gives them a competitive advantage that matches their academic and personal interests as they pursue a permanent position or further studies.  With this aim, we generally accept three interns per academic cycle.  In turn, interns support us to be keep at the height of innovation in our field. We welcome their inclusion into our very diverse team – not only do they develop their confidence, they enrich us with confidence.

Sven Zuurbier

I recently started my placement in April ’24 as a Product Project Support.  Currently, I am pursuing a MSc in Read more

Stelios Vogiatzoglou

Stelios recently joined us at the start of April '24 as a product project support.  He is currently undertaking a Read more

Lucie Mallard

My six months internship started at the end January 2022 just when the Netherlands relaxed its pandemic rules a little.  I Read more

Siert Witteveen

Siert began his internship for six months with Trompenaars Hampden-Turner in March 2022 as a consultant intern.  He is studying Read more

Matilde Mendonça

Matilde began her six months internship with Trompenaars Hampden-Turner in March 2022 as part of her MSc Business Administration: Strategy Read more

Fanni Fejes

Fanni interned with THT as a consulting intern from December 2018 to June 2019 as part of her Masters in Read more

Jantine Decleir

Jantine started her five months internship with us in June 2020 during the pandemic before starting her role as Junior Read more

Alicia Schoendorff

My internship at THT started in February 2021 alongside my master’s degree in Leadership & Change Management at the Vrije Read more

Marcel Former

I am a Communication & Multimedia Design bachelors student with the Hanzehogeschool Groningen completing my graduation project on game design, Read more

Anna-Lena Jander

I started my internship at the beginning of August 2020 and it flew by - everyday is unique, full of Read more

Caitlin Morgan

I interned at THT from May 2020-September 2020 during my 4th year undergraduate student in French at the University of Read more

Maria Mitrovgeni

I interned with THT from Feb to July 2020 from Vrije Universiteit, ​Amsterdam, the Netherlands studying for Master International Management Read more

Lucas de Jong de Abril

My internship starting with my Masters graduation project (Delft University of Technology) in Design for Engineering in Feb 2019.   I Read more

Milou Jansen

Interning with THT during 2018 was a pleasure as it provided a space for development after my masters before deciding Read more

Zach Glover

Recently I've made a career switch into secondary education and I love what I do. There is no job more Read more

Gulayi Burunacik

Interning at THT came very last minute as I was thinking of joining another company and I chose THT because Read more

Ayoub Nassiri

Interning at THT (2015-2016) provided an opportunity to intern also at KPMG NL as a Junior Project Manager working on Read more