University Medical Center officials on Friday are poised to install their third chief executive in less than a year as the public hospital?s governing board meets to discuss a successor to Larry Barnard, who is taking a similar position in the private sector. he UMC governing board earlier this year studied how to compensate Barnard appropriately, but layoffs were being planned, prompting a delay offering Barnard a raise and contract. Hundreds of positions were eliminated from the UMC system through layoffs and attrition from April until August.