Marcus Segal
Angel Investor @ a16z speedrun
San Francisco, United States
Marcus Segal is a seed investor at a16z speedrun in San Francisco focused on Mobile and E-Commerce. SVP of Operations at Zynga. Attended Pepperdine Graziadio Business School.
- Total investments:
- 7
- Last investment:
- Lead investor:
- 29%
Last updated:
For AI agents: llms.txt
Industries Marcus Segal invests in
Stages Marcus Segal invests in
Countries Marcus Segal invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $650k–$3.5M
- Series A
- $1.5M–$6.5M
Investment Focus
Industry
- Mobile 2 (29%)
- E-Commerce 2 (29%)
- Advertising 2 (29%)
- Communities 2 (29%)
- SMS 1 (14%)
Stage
- Seed 4 (57%)
- Series A 2 (29%)
- Pre-Seed 1 (14%)
Country
- United States 5 (71%)
- Poland 1 (14%)
- United Kingdom 1 (14%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Cascade is an AI platform that helps engineering, architecture, and construction firms predict upcoming projects and automatically find, score, and write proposals for high‑fit contracts, so they can win more work with less manual effort. | $3.5M / Seed / Jul 21, 2026 | ||
| Acceler8 is a business intelligence platform that aims to replace traditional, calendar-driven workforce decisions with continuous, data-driven insights. | Seed / Mar 03, 2026 | ||
| Annually, the wealthiest 300,000 people spend $1.3 million each on their lifestyle, but still struggle to find everything they want. - The most sought-after products, services, and experiences are never listed online. - Private events, private clubs, and numerous other categories are not accessible. - The best people don't need the web tofind clients or jobs. Myria is a private marketplace & community where all participants are fully vetted. Our offers are exclusive and otherwise unavailable online. Myria helps off-market sellers reach the nicest, richest, and most quailed buyers on Earth. In turn, we help the world’s most successful people find the best of everything and get the most out of life. | $1.6M / Pre-Seed / Mar 21, 2022 | ||
| Landvault develops infrastructure for the 3D internet, focusing on tools that enable the creation, deployment, and monetization of immersive digital experiences. The company offers AI-powered solutions for building digital twins and interactive environments, serving sectors such as e-commerce, entertainment, public services, and real estate. Itsplatform supports content creation through AI-assisted tools compatible with engines like Unreal and Unity, allowing for efficient development of 3D experiences. | $1.5M / Series A / Sep 23, 2020 | ||
| Tylko offers uncompromising quality at a fair price, while perfectly fitted to your space & easily ordered online. | $1.6M / Seed / Jan 04, 2015 | ||
| Drop is a product company that uniquely uses data and insights from enthusiasts to create and curate innovative products that fuel passion. With new, diverse products featured every day, Drop empowers people across the globe to find and follow their interests, learn, share, shop, and participate in product development. Popular Drop categoriesinclude audio, tech, apparel, outdoors, and cooking. Founded in 2012, Drop is home to 7 million members. Drop is available on Drop.com and the Drop app. | $6.5M / Series A / Sep 24, 2014 | ||
| TextualAds, created by Qlique Labs, allows brands to collect fans' mobile numbers and send them SMS (text) messages about current marketing campaigns. TextualAds has robust targeting capabilities that allow messages to be sent to Mobile Fans based on age, gender, country, state, city or zip making this one of the most effective, customizablemarketing CMS on the Facebook platform.Based on the category chosen, the tab displays how expansive the marketing reach will be with each campaign.Not only can users target their audience precisely, they can also customize the tabs appearance quickly, efficiently and brand-specifically. Page descriptions, header images, custom colors, and a CSS style-sheet can be added to this app.Managing campaigns is extremely easy and includes detailed metrics for tracking purposes. Users can even export a CSV of the phone numbers submitted to their tab, helping to reengage time and time again.This is an amazing way to incentivize clientele with offers, promotions and discounts directly to the palm of their hand. It's simple, it's effective and it's truly a game-changing idea. | $650K / Seed / Dec 29, 2010 |
Co-Investors
About a16z speedrun
a16z speedrun is an intensive 12-week accelerator program by Andreessen Horowitz that provides early-stage startups with up to $1 million in direct investment. It offers hands-on mentorship through curated 1:1 sessions with industry leaders and the a16z team, alongside fundraising support and introductions to hundreds of external investors.
a16z speedrun Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Tom Hammer
Head of People
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FAQ
What does Marcus Segal invest in?
Marcus Segal invests primarily in Mobile, E-Commerce and Advertising startups, most often at Seed and Series A stage. Most of the 7 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 Marcus Segal's check size?
Marcus Segal typically joins rounds of $650k–$3.5M at Seed and $1.5M–$6.5M 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 Marcus Segal participates in.
How do I contact Marcus Segal?
Public channels for Marcus Segal include LinkedIn and X (Twitter). 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 Marcus Segal last invest?
The most recent investment recorded for Marcus Segal closed in Jul 2026. Shizune tracks 7 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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