Mark O'Leary is a Cork born based Guitarist, Author, Electronic Music composer. He was educated at Musicians Institute in Los Angeles. The release of numerous CDs in the past 3 or 4 years has helped him gain a growing following not just in Ireland but abroad as well. His music is released on Leo records, Aucourant, Ayler, FMR, Creative Sources, Cleanfeed, TIBProd Italy, Re:konstruKt record labels.
Levitation with Tomasz Stanko and Billy Hart has received global praise and received 4 stars in Penguin guide to Jazz. His CD Awakening with Steve Swallow and Pierre Favre has also been very well received. His CD On The Shore on Cleanfeed was in freejazz stef top 10 CDs of the year and Ron Steed of IMC voted it his favourite CD of the 2007. Støj was number three in one of the best of 2011 top five list in Freejazz Stef. His CD St Fin Barre's recorded in St Fin Barre's Cathedral in Cork has also been well received. His CD with Cuong Vu and Tom Rainey Waiting, which is a tribute to Irish Writer Samuel Beckett received 5 stars from Freejazz stef and strong reviews from BBC and The Guardian. The CD Television with Han Bennink on Ayler records has also been held as a serious statement in the evolution of guitar/drum duos. His duo with Sunny Murray also on Ayler has been widely praised also. He is also an electronic artist composing soundscapes that can be described as post-industrial ambient /Landscape three have been released on Portuguese label Creative Sources Skyshifter, Fabrikraum and 4 Urban Landscapes, the latter features environmental sounds from Cork City Centre, dialect/dialogue, stonecutting and poetry. He has performed in over 30 countries, in some of the most prestigious venues and festivals, including Kennedy Center, North Sea Jazz Festival, Knitting Factory, Tonic, Vortex, The Loft and Athens Euro-Jazz.