# Michael Tanzer

> Michael Tanzer is a Series A investor at RedTape Ventures backing B2B and SaaS. See 1 investments, check sizes, portfolio and contact details. Updated Oct 2026.

- Type: Angel Investor
- Fund: [RedTape Ventures](https://shizune.co/investors/profile/redtape-ventures)
- Total investments: 1
- Last investment: Nov 2017
- Lead investor: 100%
- Last updated: Oct 2026

Michael Tanzer is a Series A investor at RedTape Ventures focused on B2B and SaaS.

## Contacts

5 contacts available for Michael Tanzer: work email, personal email, work phone, personal phone and socials. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-email/michael-tanzer?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| B2B | 1 | 100% |
| SaaS | 1 | 100% |
| Cannabis | 1 | 100% |
| Software | 1 | 100% |
| Marketing | 1 | 100% |

10 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| WebJoint | WebJoint is an all-in-one software that helps cannabis business owners manage their patients, finances, employees, inventory, and website. The company offers tools that help clients save time by increasing productivity, while also helping them gain exposure online.The software integrates business management tools with the clients' website.It also allows clients to create a website for their business with ZERO coding knowledge. | $1.5M | Series A | Nov 13, 2017 | https://www.webjoint.com/ |

1 of 1 investments shown.

## About RedTape Ventures

VC Fund · San Francisco, United States

RedTape Ventures accelerates early stage technology companies.

1 contacts available at RedTape Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Michael Tanzer | Founder | https://shizune.co/investors/profile/michael-tanzer |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [FJ Labs](https://shizune.co/investors/profile/fj-labs) — VC Fund

## FAQ

### What does Michael Tanzer invest in?

Michael Tanzer invests primarily in B2B, SaaS and Cannabis startups, most often at Series A stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact Michael Tanzer?

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 Michael Tanzer last invest?

The most recent investment recorded for Michael Tanzer closed in Nov 2017. Shizune tracks 1 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co