Santa Rosa, Calif.—Kevin O’Brien joined mergers and acquisitions firm Zepponi & Co. as senior vice president in charge of project management and market analysis. Prior to joining Zepponi, O’Brien was the director of businesss advisory at Irvine & Company, a beverage alcohol accounting and consulting firm in the Pacific Northwest. O'Brien worked with numerous winery, brewery and distillery clients on corporate advisory matters, including financial modeling, strategic planning and mergers and acquisitions.