We found 3 fonts on https://generalcatalyst.com

CachedRecheck
div
p
2 Styles

Newsreader 16 Pt 16 Pt

div
a
h1
h2
h3
9 Styles

Gc Catalyst Sans

Designed by Pentagram, Reset Type Studio
a
div
button
h3
li
p
ul
15 Styles

Schibsted Grotesk

FontofWeb by Simdi Jinkins & Onyemsobi