markfreeman.dev

Mark Freeman — Data Engineer | O'Reilly Author | LI Learning Instructor

I'm a data reliability expert and early-stage startup operator. I've worked across the full data lifecycle, ranging from data analyst, data scientist, and data engineer, where I’ve seen how data fails at every stage– and then built the systems to prevent such issues.

Co-author of "Data Contracts" with O'Reilly Media. LinkedIn Learning instructor with 40,000+ learners.

Quick Links

Tip: Try the terminal below (Ctrl+/) — type help for commands.

1 # markfreeman.dev
2
3 ## Mark Freeman — Data Engineer | O'Reilly Author | LI Learning Instructor
4
5 I'm a data reliability expert and early-stage startup operator. I've worked across the full data lifecycle, ranging from data analyst, data scientist, and data engineer, where I’ve seen how data fails at every stage– and then built the systems to prevent such issues.
6
7 Co-author of "Data Contracts" with O'Reilly Media. LinkedIn Learning instructor with 40,000+ learners.
8
9 ## Quick Links
10
11 - [about.md](/about) — Bio, education, and tech stack
12 - [blog/](/blog) — Writing about data engineering and tools
13 - [oreilly-book/](/oreilly-book) — "Data Contracts" — O'Reilly book
14 - [my-courses/](/my-courses) — LinkedIn Learning courses (40k+ learners)
15 - [open-source-projects/](/open-source-projects) — Petri and more
16 - [contact.md](/contact) — Get in touch
17
18 ---
19
20 *Tip: Try the terminal below (Ctrl+/) — type `help` for commands.*

No editor is open

Open a file from the Explorer or use Ctrl+P

TERMINAL
Welcome to markfreeman.dev terminal
Type 'help' for available commands.
 
visitor@markfreeman.dev:~$