Joe Heitzeberg
Founder @ AI Tinkerers
Seattle, United States
Joe Heitzeberg is a seed investor at AI Tinkerers in Seattle focused on Software and Education. Joe Heitzeberg is based out of San Francisco, California and is the Founder of AI Tinkerers. Joe previously worked at Madrona Venture Labs as a co-founder and president. Joe Heitzeberg attended MIT - Sloan School of Management. Joe Heitzeberg has received the 2019 Allen School Alumni Impact Award.
- Total investments:
- 2
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Joe Heitzeberg invests in
Stages Joe Heitzeberg invests in
Countries Joe Heitzeberg invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 1 (50%)
- Education 1 (50%)
- Email Marketing 1 (50%)
- Human Resources 1 (50%)
- Web Development 1 (50%)
Stage
- Seed 1 (50%)
- Angel 1 (50%)
Country
- Israel 1 (50%)
- United States 1 (50%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Glue
|
Managing a flexible workforce is difficult. Mystery provides hassle-free tools for you to keep your team connected from wherever they are and track your spend and the payoff with software. With Mystery’s extensive background in experience design, advanced logistics, and process automation, Mystery guarantees magical experiences and provesthey're working. | $1.2M / Seed / Sep 05, 2019 | |
Smore
|
Smore makes it simple to create gorgeous newsletters, collaborate with colleagues, and analyze results. It's an easy way to ensure consistency and accountability communication and to transform the way your audience engages with your content. Smore has over 2 million users creating over 100,000 newsletters each month. | $425K / Angel / Dec 01, 2011 |
Co-Investors
About AI Tinkerers
AI Tinkerers Contacts
| Name | Phone | Socials | |
|---|---|---|---|
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Joe Heitzeberg
Founder
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FAQ
What does Joe Heitzeberg invest in?
Joe Heitzeberg invests primarily in Software, Education and Email Marketing startups, most often at Seed and Angel stage. Most of the 2 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact Joe Heitzeberg?
Public channels for Joe Heitzeberg include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Joe Heitzeberg last invest?
The most recent investment recorded for Joe Heitzeberg closed in Sep 2019. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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