public boolean removeUser(String firstName, String lastName, String concordiaID){
		
		int index = 0;
		
		for(ConcordiaMembers member: concordiaMembers){
			if(member!=null){
			if(member.getFirstName().equals(firstName) && member.getLastName().equals(lastName) && member.getConcordiaID().equals(concordiaID)){
				concordiaMembers = ArrayUtils.remove(concordiaMembers, index);
				return true;
				}
			}
			index++;
		}
		
		return false;
	}