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Check out CTO Craft. They are an exec coaching mentoring circle that comes with a slack group. There are tons of CTOs and director levels in the groups, plus mentors. Very active, a great community.

That, or read every day.

I have seen that techies have poor listening skills. It's all about "Rails sucks" or "JavaScript rocks" etc. And without understanding problem statement.

Starting point could be to listen well and wait to form an opinion.

Find a mentor. There are many executive coaches out there.

Ask HN: How to Talk Tech?