John Mack

Angel Investor Active United States
Last updated 2026-06-18
Portfolio
1
in our dataset
Rounds participated
1
Rounds led
0
Rounds' value
$12.0M
total disclosed, rounds participated
Stages

Portfolio · 1

Investment activity

1 portfolio exit on record.

Portfolio by sector

Media & Entertainment Technologies1

Q&A

What is John Mack's most recent exit?
John Mack's most recent exit was Tunity, which was acquired by iSpot.tv in March 2022.
Which sectors does John Mack primarily invest in?
John Mack has shown a focus on the Media & Entertainment Technologies sector, with one investment and one exit in this area.
Can you name a notable company in John Mack's portfolio?
A notable company in John Mack's portfolio is Tunity, which provides audio sync for televisions and was acquired in March 2022.
What is the typical investment stage for John Mack?
John Mack has participated in A Round investments, as seen with the investment in Tunity in February 2018.
When was John Mack's most recent investment?
John Mack's most recent investment was in February 2018.
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)

Radar intelligence

Patents

EPO175