Patrick O’Leary received his Bachelors Degree from The Crane School of Music, where he studied piano and bass performance. He has toured the world as the bassist for many jazz icons including Diana Krall, the Lionel Hampton Orchestra, the Illinois Jacquet Orchestra and Bob Dorough. Other leading artists with whom O’Leary has played include saxophonists Lee Konitz, Joe Lovano, and James Moody, pianist Marian McPartland and vocalists Joe Williams Marlena Shaw, and Kurt Elling, to name just a few. O’Leary has been a United States Department of State Jazz Ambassador for 18 years, during which he has lead his own ensembles on tours of 15 African countries, SouthEast Asia, Central and South America and the Middle East. As a composer, Pat was commissioned in 2008 to write and arrange the “The Montenegro Jazz Suite”. In 2011 Pat was commissioned to compose and arrange the “Serbian Jazz Suite” for 100 person Choir, 100 person Orchestra and Jazz Quartet featuring renowned Serbian trumpet player Stjepko Gut. The concert was broadcast on Serbian national television.