Clara, Sam, Caroline and Karibi individually redefine value-add in the early stage sector. Together, they've been more helpful than 40+ investors across three startups over ten years. Multi-stage funds would benefit from studying how 528 works with founders; they go above and beyond regardless of check size. They're deep thinkers, they break down doors to make the introductions you need, and most importantly: You love to see them on your calendar—they are lovely humans.