Ma Ko
Angel Investor
Los Altos, United States
Ma Ko is a angel investor in Los Altos focused on Internet and Social Media. Michael is a tech executive, entrepreneur, and angel investor. He's an advisor to Enterprises, Dryft (acquired by Apple), Dulance (acquired by Google), and others.Michael cofounded AdForce, a pioneer in online advertising (IPO 1999), was EIR at Redpoint Ventures, and founded XDegrees a distributed storage solution (acquired by Microsoft). Michael also founded Wink/Search Engine Technologies (acquired 2008) and was previously product manager at Verity, the first leading search engine (IPO 1995). Michael was a founding board member of Full Circle Fund, and was board member at Cloudmark, Fundly, and GAIN Fitness.Michael holds an MBA from
- Total investments:
- 11
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Ma Ko invests in
Stages Ma Ko invests in
Countries Ma Ko invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $650k–$1.1M
- Angel
- $500k–$2.1M
- Series A
- $1M–$24M
Investment Focus
Industry
- Internet 2 (18%)
- Social Media 2 (18%)
- Pet 1 (9%)
- SaaS 1 (9%)
- Coupons 1 (9%)
Stage
- Angel 5 (45%)
- Seed 2 (18%)
- Series A 2 (18%)
- Series C 1 (9%)
- Funding Round 1 (9%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| GAIN Fitness's web and mobile applications generate personalized training plans based on exercise science, matched to an individual's body, goals, and lifestyle factors, to help regular exercisers optimize fitness and adapt to schedule changes. They motivate exercisers with social tie-ins and game mechanics, and keep things fresh withtheir custom built database of over 750 exercises. They're partnering with personal trainers and equipment retailers to sell interactive multimedia packs, a la App Store for Fitness. | $2.1M / Angel / Nov 06, 2013 | ||
| AngelList is a platform that connects startups with investors, talent, and capital infrastructure. The company offers fundraising tools for early-stage companies, allowing them to raise money through syndicates and venture funds. It also provides a platform for startup job seekers, enabling candidates to explore roles across thousands of companies.AngelList supports fund managers and investors with back-office and compliance services to streamline fund creation and management. AngelList the parent company of AngelList Venture, AngelList Talent, and Product Hunt and has more than 20 unicorns in the portfolio. | $24M / Series A / Sep 22, 2013 | ||
| Firebase is Google's mobile platform that develops apps that grow users base on iOS, Android, or the Web.Firebase is used by >1,000,000 developers and is made up of complementary features that you can mix-and-match to fit your needs including Free & unlimited Analytics, a Realtime Database, User Authentication, Crash Reporting, PushNotifications, and more. | $1.1M / Seed / May 23, 2012 | ||
| GAIN Fitness's web and mobile applications generate personalized training plans based on exercise science, matched to an individual's body, goals, and lifestyle factors, to help regular exercisers optimize fitness and adapt to schedule changes. They motivate exercisers with social tie-ins and game mechanics, and keep things fresh withtheir custom built database of over 750 exercises. They're partnering with personal trainers and equipment retailers to sell interactive multimedia packs, a la App Store for Fitness. | $650K / Seed / Dec 09, 2011 | ||
| aDealio provides targeted local marketing for businesses to consumers. | $1M / Aug 22, 2011 | ||
| ICON Aircraft’s mission is to accelerate the democratization of personal flight and 3-D mobility. ICON creates consumer-friendly, safe, technologically advanced aircraft that make the adventure of flying more accessible to mainstream consumers.ICON’s first aircraft is the A5, an amphibious sport plane that fuses outstanding aeronauticalengineering with world-class product design and unprecedented safety features. The A5 is the world’s first production aircraft that is spin-resistant, making it arguably one of the safest small aircraft ever created. The A5 has won some of the world’s most prestigious design awards and has inspired a global following. The company culture is defined by an entrepreneurial, fast-paced, performance-driven meritocracy where intelligent risk-taking is encouraged and the organizational structure is flat and collaborative. ICON seeks A-players who are a strong cultural fit and driven to change the world by creating truly innovative products. | $25M / Series C / Jun 29, 2011 | ||
| aDealio provides targeted local marketing for businesses to consumers. | $500K / Angel / Mar 01, 2011 | ||
| BrightRoll builds software that automates video advertising globally. BrightRoll is the only independent and unified programmatic video advertising platform for reaching audiences across web, mobile and connected TV. The company powers digital video advertising for the world’s largest brands, including more than 80 of the top 100 US advertisers and18 of the top 20 advertising technology companies. The platform enables advertisers to reach 4 in 5 video viewers online and consistently ranks among the top two video ad platforms in ads served. As a result, BrightRoll technology collects and analyzes hundreds of billions of data points monthly enabling real-time decisions that drive ROI for advertisers. | $1M / Series A / Nov 03, 2006 | ||
| Maya's Mom is a social network and advice site for parents, specifically females. Parents can share their thoughts via "journals", join specific groups to get advice and ask questions, and find other parents to connect and share pictures with. The site is based around parenting so you'll find plenty of postings on kids takingfirst steps, silly kid quotes and general parenting advice. The site has weekly journal topics like "Songs You Can't Get Out of Your Head" that all parents can choose to write about. Parents can also submit suggestions for future topics. In the "group talk" section, parents can join groups like "Expecting Moms" and "Stay at Home Moms" and ask questions and give each other advice. The group page shows the most popular groups and tracks group conversation activity, so parents can see what topics and issues are relevant to the community. Paidcontent.org recently announced that BabyCenter, owned by J&J, acquired Maya's Mom for an undisclosed amount. BabyCenter will leave Maya's Mom as a standalone site but will use Maya's Mom's backend social software across its network of sites and blogs. Along with True Ventures, investors in their angel round included Jeff Clavier, James Currier, Caterina Fake, Geoff Ralston, Raymond Stern, and Michael Tanne.Competitors include | $1M / Angel / Oct 27, 2006 | ||
| While building custom website for clients under the name went cash flow positive and after only 18 months it became profitable. With a pet population of over 700,000 (including catster) Dogster and Catster have clearly become a heaven on earth for pet owners. Users make profiles of their dogs through which they can share everything from pictures, video and old stories to more serious things such as expert guidance, authoritative advice and community support. | $1M / Angel / Sep 01, 2006 | ||
| See all 11 investments → | |||
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FAQ
What does Ma Ko invest in?
Ma Ko invests primarily in Internet, Social Media and Pet startups, most often at Angel and Seed stage. Most of the 11 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 Ma Ko's check size?
Ma Ko typically joins rounds of $650k–$1.1M at Seed, $500k–$2.1M at Angel and $1M–$24M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Ma Ko participates in.
How do I contact Ma Ko?
Public channels for Ma Ko 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 Ma Ko last invest?
The most recent investment recorded for Ma Ko closed in Jan 2006. Shizune tracks 11 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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