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Part consultancy, part thinktank, part social enterprise, Halcyon helps you prepare for and respond to personal, organisational and societal change.

Halcyon's 52:52:52 campaign on Twitter will help you address 52 issues with 52 responses over 52 weeks.

To be a catalyst is the ambition most appropriate for those who see the world as being in constant change, and who, without thinking that they control it, wish to influence its direction - Theodore Zeldin

A Mundane Comedy is Dominic Kelleher's new book, which will be published in early 2020. We will be publishing extracts on this site and across social media during the first quarter of 2020. Please feel free to contact us with any questions about the book.

2026

On Incompleteness
Sagrada
Halcyon In Kal… 24 July 2017

In 1883, Antoni Gaudí began working on the Sagrada Família in Barcelona and before his death managed to complete the crypt, apse and part of the Nativity facade. Work slowed during the 1930s and 40s, then picked up again in the 1950s and a series of architects carried on Gaudí’s work, completing new towers and facades.