# Jeff Chang

> Jeff Chang is a seed investor at Whatnot (San Francisco) backing Software and Developer Tools. See 6 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Whatnot](https://shizune.co/investors/profile/whatnot)
- Location: San Francisco, United States
- Total investments: 6
- Last investment: Dec 2021
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/jeff-chang-82467459/
- Website: https://www.growthengblog.com/angel

Jeff Chang is a seed investor at Whatnot in San Francisco focused on Software and Developer Tools. Jeff Chang was the Head of Growth Engineering at Whatnot. Jeff previously worked at Pastel Labs as a Founder. Attended University of California, Berkeley.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $3M–$8.3M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 50% |
| Developer Tools | 2 | 33% |
| Sports | 1 | 17% |
| Big Data | 1 | 17% |
| Computer | 1 | 17% |

16 industries tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 5 | 83% |
| Canada | 1 | 17% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Skio | We help Shopify merchants sell subscriptions without ripping their hair out. | $8.3M | Seed | Dec 23, 2021 |  |
| Offsight | We help solve the delivery, quality, traceability and communication challenges of modular/offsite construction and project-based manufacturing with our easy to use mobile software. | $6.4M | Seed | Mar 31, 2021 |  |
| PopSQL | PopSQL is a developer of collaborative SQL query editing software designed to share queries and visualize data. The company's software stores SQL queries and runs regularly, grouping them into folders that can be kept private or shared among the team, track changes so it can be reverted if or when something breaks, enabling users to workcollaboratively on queries and then distribute among the team. | $3.4M | Seed | Sep 08, 2020 |  |
| Stadium Live Studios | Stadium Live Studios is a sports community platform that creates a virtual playground where fans can hang out, play games, buy and earn digital collectibles, and express their individuality. Stadium Live Studios aims to be the go-to destination for next-gen sports and culture fans. | $3M | Seed | Jul 01, 2020 |  |
| Transform | Transform is the first centralized ‘metrics store’ that empowers data analysts to deliver accurate, timely, confident, and fast insights. The metrics store we’ve built is a centralized repository that enables metrics definitions in code, supports life-cycle management, and makes data accessible to every other tool in the modern data stack. We notonly make data trustworthy, but we also uncover relevant insights and context so that all teams can stay on the same page and make the best decisions possible. | $4.5M | Seed | Feb 26, 2020 |  |
| Linear | Linear allows the user to manage software development and track bugs. Built for speed and efficiency.The founders started Linear from their own frustrations building software projects in successful high-growth companies like Airbnb, Coinbase and Uber. The founders wanted to create the tools that focus us and its team in making progress, not getin the way. Tools that are fast and efficient. Speed and performance were the main things Linear focuses on early on and keep focusing on that. | $4.2M | Seed | Nov 22, 2019 |  |

6 of 6 investments shown.

## Co-investors
- [Maple VC](https://shizune.co/investors/profile/maple-vc) — VC Fund, 2 deals together
- [Worklife](https://shizune.co/investors/profile/work-life-ventures) — VC Fund, 2 deals together
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 2 deals together
- [Accomplice](https://shizune.co/investors/profile/accomplice-atlas-venture) — VC Fund, 1 deal together
- [Adjacent](https://shizune.co/investors/profile/adjacent) — VC Fund, 1 deal together
- [Adjacent](https://shizune.co/investors/profile/adjacent-9b5a) — VC Fund, 1 deal together

## About Whatnot

VC Fund · Marina Del Rey, United States

Whatnot is a Los Angeles-based startup that creates a place where avid collectors could come together over shared interests. Whatnot is a marketplace to buy and sell authentic collectible items. Whatnot was founded in 2019, in California.

5 contacts available at Whatnot.

| Name | Title | Profile |
| --- | --- | --- |
| Abha Nath | Chief of Staff | https://shizune.co/investors/profile/abha-nath |
| Jeff Chang | Head of Growth | https://shizune.co/investors/profile/jeff-chang-d90a |
| Annelies Gamble | Investor and Board Observer | https://shizune.co/investors/profile/annelies-gamble |
| Grant LaFontaine | Co-Founder | https://shizune.co/investors/profile/grant-lafontaine |
| Gustavo Adolfo Costa Borges | Software Architect | https://shizune.co/investors/profile/gustavo-adolfo-costa-borges |

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## FAQ

### What does Jeff Chang invest in?

Jeff Chang invests primarily in Software, Developer Tools and Sports startups, most often at Seed stage. Most of the 6 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Jeff Chang's check size?

Jeff Chang typically joins rounds of $3M–$8.3M at Seed. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Jeff Chang participates in.

### When did Jeff Chang last invest?

The most recent investment recorded for Jeff Chang closed in Dec 2021. Shizune tracks 6 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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