After South Park Commons
- 38%Founded something9
- 21%Joined a startup5
- 42%Elsewhere
Shares of those who moved on, by their next stop.
People who leave South Park Commons most often go to OpenAI. 38% found something next. 21% go small. Median stay 8m
These are the engineers in the Zelcast network and the profiles run through the Eng Scorer, not South Park Commons's headcount: 33 people on a map of 26,572, the No. 303 company on it by people. Updated August 20, 2026.
- People on the map
- 330.1% of everyone on the map
- There now
- 824% of the people here
- Moved on
- 2576% of the people here
- Median tenure
- 8mmiddle half 6m to 1y 7m
Put South Park Commons side by side with another company, every number against every number.
Came from, went to
Ribbon width is the number of people who made the move. Most leave for OpenAI (20% of recorded departures).
23 recorded arrivals from 21 companies, none more than 2 from any one of them
0 of 23 recorded arrivals shown, 23 more from 21 other companies5 of 25 recorded departures shown, 20 more to 19 other companies
The South Park Commons mafia
9 of the people who left went straight to a founding role, 38% of those who moved on, half of them the same month they left. The bars are the ’15 to ’26 classes; earlier founders count in the total.
How long people stay
59%<1y
24%1-2y
14%2-4y
3%4-7y
0%7y+
29 stays with both a start and an end on the record.
Who comes and goes, by year
0012
0013
0014
0015
1016
0117
0018
6019
0320
2121
7522
5523
7624
3525
3026
joined left2026 is a partial year
2012 to 2026: 34 joined, 26 left.
Caliber
92mediantop 10%97
0Eng Scorer caliber, 33 scored99
Titles held here
- Member24
- Founder Fellow5
2 most common titles, by people who held them.
Behind the median
Everyone here with an Eng Scorer read, placed in their caliber tier.
- 30%Exceptional10 people
- 39%Strong13 people
- 30%Solid10 people
33 of the 33 people here carry an Eng Scorer tier.
Exceptional and strong are the top two of the five tiers. 23 of the 33 people here with a read sit in them, 70%. A tier is the band an Eng Scorer caliber score falls in, so this is the same measurement as the median on the caliber card, opened up.
Where they studied
- Carnegie Mellon9.4%
- MIT9.4%
- Penn9.4%
- Stanford9.4%
- UC Berkeley9.4%
The 5 most listed schools among the 32 people here with a school on file.
Of the 32 people here with a school on file, 3 list Carnegie Mellon, 3 list MIT and 3 list Penn. A person can list more than one school, so these overlap rather than add up.
Public work
one square is one in a hundred
64%have a public GitHub account on their profile
21 of the 33 people here whose profile was checked for public accounts. An account the check did not find reads the same as no account, so this is a floor rather than a census.
Across the 325 companies on the map that can show this figure, the median is 38%.
Where they are now
73% of the people who have worked at South Park Commons and list a location live in the San Francisco Bay Area today, against 47% of everyone on the map.
South Park Commons
Everyone on the map
- 73%SF Bay Area24 · map 47%
- 24%New York8 · map 33%
All 33 people who worked at South Park Commons list a location, and every share here is over them.
Where they live now, from the profile as it reads today, not where they sat while they worked at South Park Commons: a metro here does not mean the company has an office in it. The lower strip is the same metros across the whole map, for comparison.
On the same resumes
Companies that show up most often alongside South Park Commons, at any point in a career.
Key facts
- 33 people on the Zelcast alumni map have worked at South Park Commons: 8 are there now and 25 have moved on.
- The most common next employer after South Park Commons is OpenAI (5 people, 20% of recorded departures).
- The median tenure at South Park Commons is 8m (middle half 6m to 1y 7m).
- Of those who moved on from South Park Commons, 38% went on to a founder title, 21% joined a company with 200 or fewer people, and fewer than 3 joined a company with 10,000 or more.
- The median Eng Scorer caliber of people who have worked at South Park Commons is 92 on the 0 to 99 scale (33 scored).
- The most common title held at South Park Commons is Member, then Founder Fellow.
- Of the 32 people here with a school on file, 3 list Carnegie Mellon (9.4%), then MIT (3). A person can list more than one school, so these overlap rather than add up.
- 73% of the 33 people here who list a location live in SF Bay Area today, against 47% of everyone on the map. That is where they live now, not the office they sat in while they worked here.
- 64% of the 33 people here whose profile was checked for public accounts have a public GitHub account on it.
About this data: built from 144,786 jobs across 26,572 engineers in the Zelcast network and Eng Scorer reads, updated August 20, 2026. A move counts when the next role starts within 24 months of leaving; companies with fewer than 20 people on the map are not shown, and destinations with fewer than 3 people are folded into the totals. Caliber is the Eng Scorer score.
Worked at South Park Commons? See how your profile reads to a startup hiring manager, and where it ranks among 26,572 engineers.
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