Answer: they need to be open to hearing it first, and you need to be someone they trust. How to build trust? Make it clear you are on their 'side'. Luckily gi

Answer: they need to be open to hearing it first, and you need to be someone they trust. How to build trust? Make it clear you are on their 'side'. Luckily giving feedback can be that way: - Give any positive feedback publicly - Give any negative feedback privately - Rather than give negative feedback, come with concrete things that could be done to improve things. Try not to assign blame. Do this consistently while being good at your job and they are more likely to not misinterpret your opinions as rationalization