Newsletters are the worst

How do you guys currently manage writing newsletters for your startup? I feel like it can be tricky to properly manage this in house. Some startups just have industry news for the sake of having a newsletter when at the end all that does is damage your list.

However, in order to do it right time has to be invested into it. Id be curious about a few things to know if there is an opportunity here:

Who in your company does it? How much time per week does it take?