TL;DRIn Q2 2026, we ran the first MATS x Coefficient Giving (CG) Pitch Week: a four-week program designed to take fellowship researchers from an early idea to a funding decision. The program was a joint effort between MATS, CG, Constellation, and Catalyze Impact.38 expressions of interest; all were invited to a two-week Exploration Sprint. 17 teams applied and 15 teams pitched.$4.3M was awarded across six grants (47% of teams that pitched) with five org-founding grants and two independent resear