Our TEAM

Working with a global network of expert consultants and business culture thought-leaders to help your organization to build winning cultures.

With over three decades of experience in worldwide training and consulting, we are a top player in the field of culture for international business. 


We work to improve the integration between people (values, attitudes and potentials) and organizations (structures, systems and processes).

Successfully addressing differences in cultural orientations – whether national, organizational, functional or disciplinary – is vital to the sustainable growth and performance of organizations. At THT, we have a passion for business culture. We believe that understanding how it impacts your organization can help you in many ways – from accelerating successful communication and decision-making to improving your overall business performance.

With our proven diagnostic tools, we support individuals, academic and corporate organisations from the first step of Recognising and Respecting cultural differences with keynotes, moderations, workshops and trainings towards Reconciliation and Realising with consulting.

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 ofarrow

Charles Hampden-Turner

Charles Hampden-Turner is our esteem co-founder, a distinguished business consultant and academic researcher.  Charles has worked as a consultant for leading companies including Apple, Shell, BP, Digital Equipment, The Economic Council of Canada, BBC, Philips, Nissan, DSM, Dow Chemical, AMDarrow

"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 many leading organizations. One of Peter’s vital contributions at THT has been to support the development of our unique cross-culturalarrow

Phyllis Stewart

Phyllis oversees operations with direct support for our clients and network partners. Phyllis is Fons' assistant with responsibility for the organisation's client relationships and day-to-day administrative and operational functions of the office.  She is your main contact person and canarrow

Maarten Verburg

Maarten leads Trompenaars Hampden-Turner's digital transformation and innovation. Maarten joined us in September 2020 as Technology Implementer in the broadest sense supporting Trompenaars Hampden-Turner’s digital transformation and innovation.  He works closely with our esteemed colleague, Peter Woolliams to continue toarrow

Meet some of our 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.

Matilde Mendonça

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

Siert Witteveen

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

Jantine Decleir

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

Fanni Fejes

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

Lucie Mallard

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

Alicia Schoendorff

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

Caitlin Morgan

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

Maria Mitrovgeni

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

Chandraprabha (Chandu) Jha

I joined as an intern during my exchange semester (2019-2020) at the VU Amsterdam and completed my masters thesis inRead 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.   IRead more »

Milou Jansen

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

Zach Glover

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

Gulayi Burunacik

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

Ayoub Nassiri

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