Alton Brown is known for all sorts of handy tips. The details of why this one works are in the GIF-filled article below but just try this. When you measure out your two tablespoons of ground coffee for one cup of water, add 1/4 teaspoon of kosher salt to the brew. The salt removes the bitterness better than sugar. Who knew?
https://www.buzzfeed.com/jesseszewczyk/alton-brown-salt-coffee-trick