Passionate professionals
One point of contact for your project, knowing all the details

Partners in Congress Organisation consists of a team of driven professionals.

Our project managers know the world of conferences and events like no other. They are the spiders in the web. One point of contact for your project. Be aware of all the details. The project managers are not only your point of contact, but also coordinate all questions from visitors, exhibitors and speakers.

The PCO team is optimally attuned to each other due to years of cooperation. In addition, PCO works on a constructive basis with various professionals, from graphic designers and copywriters to legal consultancy firms and skilled freelance project managers and hostesses.

Working at Partners in Congress Organisation

We currently have no open vacancies. Open applications are always welcome, please send your application letter including CV by e-mail to

Partners in Congress Organisation

Avenue Ceramique 222, NL - 6221 KX Maastricht
T. +31(0)43 - 321 81 80, E.

KVK 51297779
BTW NL823214941B01


Susan Verkou

Susan Verkou is an enthusiastic and driven project manager. She gained a great deal of experience as a project manager at Conference Agency Maastricht. Her corporate economic background and strong communicative and social skills serve her well in this organisational profession.

Ilona Vermeeren

Ilona Vermeeren studied International Business and Languages, and enjoyed several years of experience at amongst others MECC Maastricht. Ilona is specialised in financial and IT matters. Alertness, precision and efficiency are her key skills.

Lahdy Lauvenberg

Lahdy Lauvenberg graduated in July 2016 from the Hotel Management School Maastricht and enjoyed experience at several internships, amongst others MECC
Maastricht. She is very ambitious and her personality is characterized by her enthusiasm and her eye for detail.

Joeri Slangen

Joeri Slangen graduated from the University in Hotel and Event Management in 2010. He worked in different hotels and the banking industry. His eye for the smallest details and strong financial background, serve him well in his function as a project manager.

Mirel Kostons

Mirel Kostons graduated from the Hotel Management School Maastricht, followed by several years of experience in the hotel industry and start-ups in Asia, the Middle East and the US. Organizing international events is her second nature and her enthusiasm and perseverance ensure an optimal end result.

Lisanne Dirks

Lisanne Dirks graduated from International Business in Maastricht. During her studies she did several internships and a study abroad in Spain and South-America. She has gained experience in Tourism, and the hotel industry. In addition, she worked in finance for a couple of years. With this broad background, organizational talent and precise work ethics she is the newest member of the team as a Junior Project manager.

Sandra Langedijk

Sandra studied European Studies at the University of Amsterdam. She started her career in the conference industry 30 years ago at Congress Bureau Van Namen & Westerlaken. Since then she has been organizing conferences and events for companies such as Connect, Synergy and Clarion events. She has organized numerous conferences for the telecom and energy sector, both within and outside Europe. Sandra is a dedicated and experienced professional conference organizer, with an eye for perfection that enjoys bringing people together.