# Tim Chang

> Tim Chang is a Series A investor at Mayfield Fund (Menlo Park) backing Internet and Health Care. See 40 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Mayfield Fund](https://shizune.co/investors/profile/mayfield-fund)
- Location: Menlo Park, United States
- Total investments: 40
- Last investment: Jul 2023
- Lead investor: 30%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/pub/tim-chang/0/11/16a
- X (Twitter): https://twitter.com/timechange
- Website: https://x.com/timechange
- Facebook: http://www.facebook.com/timchang1972

Tim Chang is a Series A investor at Mayfield Fund in Menlo Park focused on Internet and Health Care. Tim Chang is based out of Menlo Park, California and is the Partner of Mayfield Fund. Tim previously worked at Gateway as a product manager. Tim Chang attended the University of Michigan.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Internet | 6 | 15% |
| Health Care | 5 | 13% |
| Fitness | 4 | 10% |
| SaaS | 3 | 8% |
| Software | 3 | 8% |

77 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 9 | 23% |
| Series B | 9 | 23% |
| Seed | 7 | 18% |
| Series C | 7 | 18% |
| Series D | 2 | 5% |

9 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 24 | 60% |
| China | 2 | 5% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ampathy | Ampathy is a proprietary technology company that turns users into philanthropists. The company also productizes content for social impact. It has developed the first consumer-facing giving platform that turns corporate ad dollars into philanthropic dollars. Ampathy was founded in 2015 and is based in New York, New York, United States. |  | Pre-Seed | Jul 01, 2023 |  |
| TRIPP | TRIPP: Empowering You To Change The Way You FeelNamed the Best VR Meditation App of 2020 by Men’s Health and VR Fitness Insider, The Washington Post calls TRIPP “Meditation-meets-a-video-game-meets-a-Happy-Pill!”TRIPP is the award-winning XR platform designed to address mental and emotional well-being. Proven to drive deep engagement, TRIPPcreates advanced digital products that are based on scientific research and delivered through virtual reality, augmented reality, and mobile devices. TRIPP's platform is currently delivering wellness solutions into consumer households, Fortune 1000 companies and hospitals/clinics worldwide. | $11.2M | Series A | Jun 01, 2022 |  |
| Mora Financial | Mora.com, operated by Mora Financial, is dedicated to helping parents set up and manage ROTH IRA accounts for their children, providing a foundation for early financial growth and long-term security. We simplify the complexities of hiring children for household tasks to meet IRS requirements for earned income, enabling parents to legally fund achild’s ROTH IRA. Our services include payroll, tax compliance, and audit documentation support, ensuring that families adhere to tax code regulations while maximizing the financial benefits. With Mora, parents can establish a secure financial future for their kids, combining professional-grade support with peace of mind. | $15M | Seed | Jan 11, 2022 |  |
| Mora Financial | Mora.com, operated by Mora Financial, is dedicated to helping parents set up and manage ROTH IRA accounts for their children, providing a foundation for early financial growth and long-term security. We simplify the complexities of hiring children for household tasks to meet IRS requirements for earned income, enabling parents to legally fund achild’s ROTH IRA. Our services include payroll, tax compliance, and audit documentation support, ensuring that families adhere to tax code regulations while maximizing the financial benefits. With Mora, parents can establish a secure financial future for their kids, combining professional-grade support with peace of mind. | $15M | Seed | Jan 11, 2022 |  |
| Tonal | Tonal is a smart home gym that uses artificial intelligence and expert-led coaching to provide strength training.It manufactures and provides Tonal, fitness training equipment. The equipment is installed on walls and offers personalized workouts through it. It also provides workout plans, such as building muscles, balancing strength, and athleticperformance based on individual requirements. It also offers live-recorded classes by coaches. Aly Orady founded Tonal in 2015 and is headquartered in San Francisco, California. | $110M | Series D | Sep 17, 2020 |  |
| Couchbase | Couchbase is a NoSQL cloud platform that provides a flexible data management solution for modern applications. It enables developers to efficiently store and retrieve data in JSON format, supporting high-performance operations. The platform offers features such as built-in caching, scalability, and analytics capabilities, allowing organizations tohandle large volumes of data seamlessly. Couchbase also supports various deployment options, including on-premises and cloud environments, catering to diverse business needs. By focusing on ease of use and integration, Couchbase helps teams build applications that require rapid data access and real-time analytics. | $105M | Series G | May 21, 2020 |  |
| Chi Botanic | Chi Botanic creates plant stem cells that we can grow into plant products and ingredients at industrial scale. We generate plant cell cultures representing just the parts or components that we want. Plant cell cultures grow much faster than whole plants. Also, while a fraction of a normal plant makes what we want, our entire cultures can synthesizethe desired product. We can grow without the limitations of climate, weather, geography, or season and without fertilizers, pesticides, herbicides with far less water, energy, or shipping requirements to provide safer, and often enhanced natural productsWe make plant stem cells that we can grow into plant products and ingredients at industrial scale. We generate plant cell cultures representing just the parts or components that we want. Plant cell cultures grow much faster than whole plants. Also, while a fraction of a normal plant makes what we want, our entire cultures can synthesize the desired product. We can grow without the limitations of climate, weather, geography, or season and without fertilizers, pesticides, herbicides with far less water, energy, or shipping requirements to provide safer, and often enhanced natural products | $950K | Convertible Note | Mar 06, 2020 |  |
| BigPanda | BigPanda's autonomous operations platform helps IT Ops, NOC and DevOps teams detect, investigate, and resolve IT incidents faster and more easily. Powered by Open Box Machine Learning, BigPanda correlates IT noise into insights, automates incident management, and unifies fragmented IT operations. Customers such as Intel, TiVO, TurnerBroadcasting, and Workday rely on BigPanda to reduce their operating costs, improve service availability and performance, and de-risk and accelerate their digital transformation initiatives.Founded in 2012, BigPanda is backed by top-tier investors including Sequoia Capital, Mayfield, and Battery Ventures. | $50M | Series C | Nov 21, 2019 |  |
| Grove Collaborative | Launched in 2016 as a Certified B Corp, Grove Collaborative is transforming consumer products into a positive force for human and environmental good. Grove creates and curates high-performing, planet-first products across household cleaning, personal care, laundry, clean beauty, and pet, serving millions of households across the U.S. The Grove Co.brand helped create the zero-waste home care category and continues to be the market leader. Every item Grove offers, from both brands they craft — like their flagship brand Grove Co., plastic-free personal care line Peach, and clean skincare brand Superbloom — and from exceptional third-party brands, has been thoroughly vetted against strict standards for clean ingredients, efficacy, sustainability, cruelty-free formulas, and ethical supply chain practices. Grove, a public benefit corporation, is on a mission to move Beyond Plastic. Grove is the first plastic neutral retailer in the world and is committed to being 100% plastic-free by 2025. For more information, visit grove.co/beyondplastic. | $265M | Series D | Sep 05, 2019 |  |
| Carnivore Inc. | Makers of Clan HQ, mobile messenger for mobile gamers. | $6M | Series A | Jun 19, 2019 |  |

10 of 40 investments shown.

## Co-investors
- [Norwest](https://shizune.co/investors/profile/norwest-venture-partners) — VC Fund, 4 deals together
- [Gobi Partners](https://shizune.co/investors/profile/gobi-partners) — VC Fund, 3 deals together
- [Kleiner Perkins](https://shizune.co/investors/profile/kleiner-perkins-caufield-byers) — VC Fund, 3 deals together
- [Accel](https://shizune.co/investors/profile/accel) — VC Fund, 2 deals together
- [Adams Street Partners](https://shizune.co/investors/profile/adams-street-partners) — VC Fund, 2 deals together
- [AirAngels](https://shizune.co/investors/profile/airangels) — VC Fund, 2 deals together

## About Mayfield Fund

VC Fund · Menlo Park, United States

Mayfield is an early-stage venture capital firm that focuses on investing in enterprise, deeptech, and human and planetary health sectors. The firm partners with founders from inception to build impactful companies, leveraging its extensive experience and resources.

5 contacts available at Mayfield Fund.

| Name | Title | Profile |
| --- | --- | --- |
| Arvind Gupta | Partner | https://shizune.co/investors/profile/arvind-gupta-3 |
| Tim Chang | Partner | https://shizune.co/investors/profile/tim-chang |
| Kamini Ramani | Chief Marketing Officer | https://shizune.co/investors/profile/kamini-ramani |
| Navin Chaddha | Managing Director | https://shizune.co/investors/profile/navin-chaddha |
| Nikhil Khattau | Managing Director, India | https://shizune.co/investors/profile/nikhil-khattau |

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- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Tim Chang invest in?

Tim Chang invests primarily in Internet, Health Care and Fitness startups, most often at Series A and Series B stage. Most of the 40 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Tim Chang last invest?

The most recent investment recorded for Tim Chang closed in Jul 2023. Shizune tracks 40 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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