Lee Fixel
Lee Fixel is the founder and managing partner of Addition, an investment firm. He previously worked at Tiger Global Management and founded the Lauren and Lee Fixel Family Foundation.
What Lee can write
Addition writes $1M to $30M+ checks, larger than 83% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Addition.Career
- Tiger Global Management · Partner
- Addition · Founder and Managing PartnerNow
Companies founded
Education
Also at Addition
Partners like Lee
At firms with a similar stage, sector and check size.
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One email when Lee's firm raises a fund, adds a partner or shows new activity.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
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Who is Lee Fixel?
Lee Fixel is the founder and managing partner of Addition, an investment firm. He previously worked at Tiger Global Management and founded the Lauren and Lee Fixel Family Foundation.
How much does Lee Fixel invest?
Lee Fixel invests through Addition, which writes checks of $1M to $30M+ at seed, series a, series b.
How do I pitch Lee Fixel?
A warm intro from a founder Addition backed works best. A short LinkedIn note with one line on traction is the next best route.
What did Lee Fixel do before Addition?
Partner at Tiger Global Management.
Last updated 2026-10-15. Is this you? Ask for a correction.