Nazdar SourceOne announced that John Morgan and Sam Espinoza have accepted expanded leadership roles in the company’s sales organization, and that Tom O’Neill and Jeff Swatek will assume additional management responsibilities. Mr. Morgan has been promoted to the newly created position of national sales manager, while Mr. Espinoza has assumed sales management responsibility for the SourceOne West region.      Mr. Morgan, who most recently served as regional sales manager for SourceOne’s Great ...