After Chalk
- 100%Elsewhere
Shares of those who moved on, by their next stop.
People who leave Chalk most often go to a long tail of companies. The median tenure is 1y 1m
Not Chalk's headcount: these are the engineers in the Zelcast network and the profiles run through the Eng Scorer. 30 people on a map of 67,181, No. 838 on it by people. Updated September 30, 2026.
- People on the map
- 30Under 0.1% of everyone on the map
- There now
- 2790% of the people here
- Moved on
- 310% of the people here
- Median tenure
- 1y 1mmiddle half 7m to 2y 6m
Came from, went to
Ribbon width is the number of people who made the move.
Not enough recorded moves to draw a river for Chalk yet.
How long people stay
43%<1y
17%1-2y
33%2-4y
7%4-7y
0%7y+
30 stays with both a start and an end on the record.
Who comes and goes, by year
0021
4022
5<323
5<324
7<325
9026
joined left2026 is a partial year
2021 to 2026: 30 joined, 3 left.
Caliber
Not enough scored profiles here yet (23).
Titles held here
- Software Engineer22
- Forward Deployed Engineer3
2 most common titles, by people who held them.
Where they studied
- Stanford20.0%
- MIT16.7%
- UC Berkeley13.3%
The 3 most listed schools among the 30 people here with a school on file.
6 of the 30 people here with a school on file list Stanford, 5 list MIT and 4 list UC Berkeley. A person can list more than one, so these overlap.
Public work
one square is one in a hundred
33%have a public GitHub account on their profile
10 of the 30 people here whose profile was checked for public accounts. An account the check missed reads the same as no account, so this is a floor.
31% is the median across the 857 companies that can show this figure.
Where they are now
73% of the people who have worked at Chalk and list a location live in the San Francisco Bay Area today, against 41% of everyone on the map.
Chalk
Everyone on the map
- 73%SF Bay Area22 · map 41%
- 23%New York7 · map 18%
All 30 people who worked at Chalk 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 working at Chalk: a metro here isn't an office there. The lower strip is the same metros across the whole map.
On the same resumes
Companies that show up most often alongside Chalk, at any point in a career.
Key facts
- 30 people on the Zelcast alumni map have worked at Chalk: 27 are there now, 3 have moved on.
- Median tenure at Chalk: 1y 1m, middle half 7m to 2y 6m.
- Of the people with a recorded next move after Chalk, fewer than 3 went to a founder title next, fewer than 3 joined a company of 200 or fewer, and fewer than 3 joined one of 10,000 or more.
- Most common title held here: Software Engineer, then Forward Deployed Engineer.
- Top school: Stanford, listed by 6 of the 30 people here with one on file (20.0%). Then MIT (5).
- 73% of the 30 people here who list a location live in SF Bay Area today, against 41% across the map. Where they live now, not the office they sat in while they worked here.
- 33% of the 30 people here whose profile was checked for public accounts have a public GitHub.
About this data: built from 352,028 jobs across 67,181 engineers in the Zelcast network and Eng Scorer reads, updated September 30, 2026. A move counts when the next role starts within 24 months of leaving. Companies under 20 people on the map aren't shown, and destinations under 3 people fold into the totals. Caliber is the Eng Scorer score.
Worked at Chalk? See how your profile reads to a startup hiring manager, and where it ranks among 67,181 engineers.
Arrow keys move along the map.