Mark Leslie

Angel Investor Active United States
Last updated 2026-06-18
Portfolio
1
in our dataset
Rounds participated
1
Rounds led
0
Rounds' value
$64.0M
total disclosed, rounds participated
Stages

Portfolio · 1

Investment activity

Portfolio by sector

Business Software1

Q&A

What is Mark Leslie's primary investment focus?
Mark Leslie has invested in the Business Software sector, with AI21 Labs as a notable portfolio company.
Which company is a key part of Mark Leslie's current portfolio?
AI21 Labs, an AI-based writing solution, is a key company in Mark Leslie's portfolio.
When did Mark Leslie make his most recent recorded investment?
Mark Leslie's most recent recorded investment was in July 2022.
What was the funding stage of Mark Leslie's investment in AI21 Labs?
Mark Leslie participated in the Series C funding round for AI21 Labs.
What is the total amount raised by AI21 Labs, a company in Mark Leslie's portfolio?
AI21 Labs has raised a total of $326.5M.
What is Mark Leslie's typical investment range?
Mark Leslie's investment range is typically between $64M and $64M.
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Patents

EPO319