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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 last quarter of 2019. Please feel free to contact us with any questions about the book.

Led Zeppelin

On Led Zeppelin

In February 2012 I had the pleasure of seeing Letz Zep in concert in Brussels. However, in December 2012, the surviving members of the genuine article - Led Zeppelin - went to Washington to receive laurels at the 35th Annual Kennedy Center Honors. Jimmy Page, Robert Plant and John Paul Jones sat watching from the balcony, as a series of performers paid tribute to the band.