F.N.B. Capital exits Celtic Healthcare F.N.B. Capital Corporation, the Pittsburgh-based merchant banking subsidiary of F.N.B. Corporation (FNB), announced the successful exit from Celtic Healthcare. F.N.B. Capital harvested the investment as the result of The Washington Post Company's (WPO) acquisition of a majority interest in Celtic Healthcare. Arnie Burchianti, Celtic's founder and CEO, will continue to run the business as CEO and co-owner.