Timothy Sehn
Founder And CEO at DoltHub
Santa Monica, California, United States
Summary
🤩
Rockstar🎓
Top SchoolTim Sehn is the founder and CEO of DoltHub and a hands-on backend and database engineer with six years of experience. He built Dolt, the first version-controlled SQL database often described as "Git for Data," and remains active in its core development. His contributions span fixing Go-level merge/diff behaviors and adding integration test machinery (Python and bash) for password handling and server-query workflows, underscoring a focus on correctness, automation, and security. Based in Canada, Tim blends product leadership with deep technical work on storage and developer ergonomics, often shipping features together with tests and documentation improvements.
7 years of coding experience
17 years of employment as a software developer
Bachelor of Applied Science (BASc), Systems Design Engineering, Graduated with Distinction, Bachelor of Applied Science (BASc), Systems Design Engineering, Graduated with Distinction at University of Waterloo
English, French
Stackoverflow
19reputation
903reached
1answer
0questions
Github Skills (17)
admin10
databases10
versioncontrol10
database-administration10
database-versioning10
data-versioning10
go10
sql10
version-control10
dataversioning10
versioning10
database10
testing9
python9
bash9
Programming languages (12)
Github contributions (5)
dolthub/dolt
Oct 2020 - Jan 2023
Dolt – Git for Data
Role in this project:
Backend Developer & Database Engineer
Backend Developer & Database EngineerContributions:223 reviews, 173 commits, 286 PRs in 2 years 3 months
Contributions summary:Timothy contributed to the Dolt project, which is Git for Data, by fixing merged Go code to ensure the `diff --cached` functionality worked correctly. They made format changes to the code base. Furthermore, they added machinery for testing passwords, which involved Python scripting and changes to bash scripts, specifically related to database server interaction and query execution within integration tests. They also made documentation updates.
git-sqlversion-controlled-databasegit-databasedatabase-version-controldatabase
dolthub/weekly-updates
Jul 2022 - Mar 2025
A repository of all the weekly updates sent to the DoltHub mailing list starting July 2022
Contributions:35 reviews, 265 PRs, 576 pushes in 2 years 8 months
mailing-listweekly-updatesmailingupdates
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