Don't criticise people in front of others, as it's not constructive. Conversely, make sure to praise other where credit is due. It's fine to question peoples d

Don't criticise people in front of others, as it's not constructive. Conversely, make sure to praise other where credit is due. It's fine to question peoples decisions although it is better to do it privately, so people can be more open without worrying about looking bad. When pointing out problems it's better to take ownership than point fingers. It's better to say something like "we have some refactoring to do" etc.