You contact journalists by submitting your BowerKit. This ensures communication is around content that is ready to publish.
How to do this
Go to your BowerKit dashboard
Ensure your BowerKit is active. (This will require a paid subscription.)
Click on the submit tab.
Choose the publications you want to submit to.
Alternatively
Search for any journalist on Discover.
Open their user profile.
Click "Contact"
Choose the BowerKit you want to message them about.