Born in Sydney, Australia in 1957. Early Studies at Academy of the Guitar under George Golla, Sydney Conservatorium as well as jazz clinics under Aebersold, Dave Liebman, Randy Brecker, John Scofield & Hal Galper.
Professional work around Australia 1976-81. Prizewinner for Jazz Composition 1980 & 1982, awarded by the NSW Jazz Action Society. First record album Peter O´Mara released 1980, receiving widespread critical acclaim. Awarded the Don Banks Memorial Fellowship for overseas study. 1981 studies in New York under Liebman, Scofield, Roland Hanna, Jimmy Raney & Attila Zoller.
Moved to Munich, Germany in late 1981 and has since worked with many musicians on the European Jazz scene including... Kenny Wheeler, Jon Christensen, Joe Nay, Maria Joao, Uli Beckerhoff, John Marshall,John Taylor, Anders Jormin, Adelhard Roidinger, Randy Brecker, Rainer Brüninghaus, David Friedman, Peter Herbolzheimer, Charlie Mariano, Benny Bailey, Robben Ford, Mike Nock, Albert Manglesdorf, Ack van Rooyen, Herman Breuer, Johnny Griffin...
1982-90 Sundial trio with US bassist Wayne Darling & drummer Billy Elgart, which recorded 3 albums (South German Radio Record of the Week 1987) as well as three tours & CD with Kenny Wheeler as guest. Festival appearances in Cologne, Munich, Vienna, Aachen, Zurich as well as numerous European tours.
1989 CD release on ENJA Records Avenue U, featuring Joe Lovano, Dave Holland, Adam Nussbaum & Roberto Di Gioia. The French Jazz Magazine called it a thoroughly passionate recording and Peter a glorious player, truly a discovery!