mack grenfell
about me
contact
current projects
forecasting
Hi, I'm Mack.
I'm a growth marketer that writes about:
maths + marketing
Why being mathematical can make you a better marketer
ad strategy
My in-depth guides to running Facebook Ads and paid search
everything else
Everything else I write about advertising, privacy, and design
My latest article is:
Conversion Lift Tests are Dead; Transitioning to Geo-Experiments