Jonathan Brebner
Jonathan Brebner is a General Partner at South Park Commons based in San Francisco. He previously worked in campaign politics, advertising, and as an independent writer and filmmaker.
What Jonathan can write
South Park Commons writes $1M to $10M checks, larger than 83% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: South Park Commons.Education
Also at South Park Commons
Partners like Jonathan
At firms with a similar stage, sector and check size.
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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 Jonathan Brebner?
Jonathan Brebner is a General Partner at South Park Commons based in San Francisco. He previously worked in campaign politics, advertising, and as an independent writer and filmmaker.
How much does Jonathan Brebner invest?
Jonathan Brebner invests through South Park Commons, which writes checks of $1M to $10M at pre-seed, seed.
How do I pitch Jonathan Brebner?
A warm intro from a founder South Park Commons backed works best.
Last updated 2026-10-15. Is this you? Ask for a correction.