Inside the Comfort Zone

A practical guide to crafting engaging emails and newsletters that captivate your audience, build authority and generate more sales. Get a free copy of my Double Espresso Welcome Email Template when you subscribe.

Guillaume, passionné des tech Microsoft, entrepreneur. Découvre mon parcours, astuces dev, réflexions sur l'entreprenariat, voyages et lifestyle. Inscris-toi !

Where science & spirituality meet social change

Your guide to great writing happening on Substack, plus the home of “The Active Voice,” a podcast by Hamish McKenzie.

Let's build your service business through better lead generation, sales, proposals, pricing, and more.