William Geist is the Managing Partner at Upper90. He previously held roles at Perella Weinberg Partners, Royal Capital Management, and Bank of America Merrill Lynch.
What William can write
Upper90 writes $3M to $30M checks, larger than 93% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Upper90.Career
- Bank of America Merrill Lynch · Analyst
- Royal Capital Management · Analyst
- Perella Weinberg Partners · Associate
- Upper90 · Managing PartnerNow
Focus
Education
Also at Upper90
Partners like William
At firms with a similar stage, sector and check size.
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Who is William Geist?
William Geist is the Managing Partner at Upper90. He previously held roles at Perella Weinberg Partners, Royal Capital Management, and Bank of America Merrill Lynch.
How much does William Geist invest?
William Geist invests through Upper90, which writes checks of $3M to $30M at seed, series a, series b.
How do I pitch William Geist?
A warm intro from a founder Upper90 backed works best. A short LinkedIn note with one line on traction is the next best route.
What did William Geist do before Upper90?
Analyst at Bank of America Merrill Lynch; Analyst at Royal Capital Management; Associate at Perella Weinberg Partners.
Last updated 2026-10-15. Is this you? Ask for a correction.