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About Us

The International Association of Professional Congress Organisers (IAPCO) is a not-for-profit membership association and the only international accreditation organisation for professional conference organisers.
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Raising the levels of professionalism and advocating on the economic and social impact value that our industry brings to communities around the world.
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IAPCO Membership is the epitome of excellence for PCOs in the global business events industry.
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IAPCO partners are organisations that have aligned themselves with IAPCO’s mission to promote the professional development of congress organisers and the industry.
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11 Jul 2026

IAPCO at This is Athens - Agora 2026

IAPCO was proud to be represented by President Sissi Lignou at This is Athens – Agora, delivered by our destination partner This is Athens-Convention & Visitors Bureau.

Held in April in Athens, Greece, the 11th edition brought together 60+ international buyers, 70+ Greek companies and strong participation from across the wider Greek tourism ecosystem.

As part of the programme, Sissi joined Vasiliki Dalla, Head of Business Development at This is Athens – CVB, for a vibrant panel discussion, “From Vision to Reality: Shaping the Experience”. The conversation highlighted the power of collaboration between destinations, PCOs and associations in attracting international events, shaping meaningful experiences and creating lasting impact.

IAPCO is driving forward the conversation on our industry’s value and impact, recognising the vital role destinations play in professional meetings and events. Together, destinations and PCOs can create lasting value for communities, sectors and society. See more

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