David Harrigan is the Director of Labour Relations at the United Nurses of Alberta (UNA), a position he has held since 1990. Before that, David held other positions with UNA, including Local President, Provincial Vice President, and Labour Relations Officer. As a senior staff member at UNA, which represents over 30,000 Registered Nurses, Registered Psychiatric Nurses and allied health care workers throughout province, he has inclusive responsibility for all labour relation activities, including organizing, education, membership services, negotiations, grievances and arbitrations. David has appeared in numerous arbitrations and labour relations board hearings, and acts as chief negotiator of the union. Prior to joining UNA, David was a Registered Psychiatric Nurse.