Cliff Sirlin
Managing Director @ LaunchCapital
New York, United States
Cliff Sirlin is a seed investor at LaunchCapital in New York focused on Internet and E-Commerce. Cliff Sirlin is based out of Westport, Connecticut, and is the Partner of The Buy Build Fund and also the Non-Executive Director of Tinybeans. Cliff previously worked at Datasembly as a Board Observer. Cliff Sirlin attended the New York University School of Law.
- Total investments:
- 11
- Last investment:
- Lead investor:
- 9%
Last updated:
For AI agents: llms.txt
Industries Cliff Sirlin invests in
Stages Cliff Sirlin invests in
Countries Cliff Sirlin invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $625k–$3.5M
- Angel
- $300k–$500k
- Pre-Seed
- $100k–$1.6M
Investment Focus
Industry
- Internet 3 (27%)
- E-Commerce 3 (27%)
- Mobile 2 (18%)
- Art 1 (9%)
- Apps 1 (9%)
Stage
- Seed 4 (36%)
- Angel 2 (18%)
- Pre-Seed 2 (18%)
- Series A 2 (18%)
- Convertible Note 1 (9%)
Country
- United States 9 (82%)
- Spain 1 (9%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Flyby Robotics is a developer and operator of autonomous drone delivery systems. the fleet of lightweight unmanned aerial vehicles that easily integrate with merchant's native order systems | $1.6M / Pre-Seed / Jul 05, 2023 | ||
| Qeepsake is a platform for families to capture, collect, and pass down the memories and stories that matter in our lives. It's used by over 300,000 families across the US & Canada. | $2M / Seed / Aug 16, 2022 | ||
| Greatist is the next-generation media company in health for healthy-minded millenials. With an emphasis on super high-quality fitness, health, and happiness content (every fact cited by a scientific study, every article approved by multiple experts) over quantity, Greatist engages an educated, social, and mobile audience through its uniquelyfriendly, fun, and shareable voice. Launched in 2011, it's now the fastest-growing site in the health space, reaching over 5 million readers every month with its mission to help the world think of health in a healthier way. | $3.5M / Seed / Mar 30, 2015 | ||
| Litographs helps authors connect with fans by producing tasteful, customizable and unique literary merchandise.Litographs creates art from the books you've read and loved. Our posters, t-shirts, and tote bags are all created entirely from the text of classic books.Our designs were created by a team of artists from all over the world. Froma distance, the artwork illustrates a theme, character, or setting from each book. Move closer and the text becomes fully legible.Litographs is committed to promoting literacy, both at home and abroad.We're proud to partner with the International Book Bank to send one new, high-quality book to a community in need for each product we sell. | $100K / Convertible Note / Jan 27, 2014 | ||
| Meet Domino, a Guide to Living with Style | $1.6M / Series A / Mar 27, 2012 | ||
| Today, more than 9 million people across global enterprises and small teams come to us when they are looking to transform the way they work together. The heart of InVision is Freehand, our online digital whiteboard. Freehand is a collaborative canvas for all the work you do. We designed it to be simple and intuitive, clearing away all the confusingclutter and giving teams the right ingredients to accomplish their specific goals. Teams use Freehand to brainstorm, create, test, and develop new ideas; unify and connect team members across disciplines and distances; and improve workflows, maintain a single source of truth, and more efficiently make actionable decisions. Our platform allows teams to collaborate at any point with stakeholders, giving individuals the visibility and know-how they require to drive work forward. InVision customers include 100% of the Fortune 100, and organizations including American Express, Adidas, Boeing, Ford Motor, Netflix, HBO, Ikea, Slack and Virgin Atlantic. | $1.5M / Seed / Feb 22, 2012 | ||
| Pure Cycles was founded with one mission in mind: to get more people on bikes. | $300K / Angel / Jan 01, 2012 | ||
| BuyYourFriendADrink.com is an ecommerce company. It operates as an automated sampling solution for the beer, wine, and spirits industry. The company offers an e-commerce platform that enables its users to to buy gift certificates for friends from bars within the network. BuyYourFriendADrink.com was founded in 2005 and is headquartered in Palma DeMallorca. | $625K / Seed / Apr 10, 2008 | ||
| Pond5 is the world’s largest, most vibrant video-first content marketplace, providing filmmakers, creators, and producers of all kinds with the content, inspiration, and tools they need to improve their projects. As the only content marketplace that meaningfully shares licensing revenue with its contributing artists, Pond5 is driven by a commitmentto its passionate and growing global community of more than 60,000 professional visual and audio creators, providing a platform where their creative work can flourish, and helping them to make a sustainable living. With groundbreaking features like visual search for video and integrations into all major video-editing software, Pond5 is innovating daily, making it easier to find and use the content that creatives need to bring their vision to life. Pond5 is a venture-backed company funded by Accel Partners and Stripes Group with offices in New York, Dublin, Prague, London, and LA. | $500K / Angel / Jan 01, 2008 | ||
| Seamless is simply the easiest way to order food for delivery or takeout. Whatever you're in the mood for, wherever you're in the mood for it, you've got it. No menus, no phone calls, no repeating yourself. | $1M / Series A / Dec 15, 2000 | ||
| See all 11 investments → | |||
Co-Investors
About LaunchCapital
LaunchCapital invests in entrepreneurs who build the future. It focuses on the seed and early stages of development. They plan to make significant follow-on investments in exceptional companies as they continue growing.
LaunchCapital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Bill McCullen
Director, Boston; Chief Investment Officer
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Cliff Sirlin
Managing Director
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Elon Boms
Founder, Board of Directors
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Jason Gray
Vice President of Portfolio Operations
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Jason Gray
Vice President of Portfolio Operations
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FAQ
What does Cliff Sirlin invest in?
Cliff Sirlin invests primarily in Internet, E-Commerce and Mobile startups, most often at Seed and Angel 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 round sizes does Cliff Sirlin invest in?
Cliff Sirlin typically joins rounds of $625k–$3.5M at Seed, $300k–$500k at Angel and $100k–$1.6M at Pre-Seed. These are whole funding-round sizes, not Cliff Sirlin's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Cliff Sirlin took part in.
How do I contact Cliff Sirlin?
Public channels for Cliff Sirlin include LinkedIn. 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 Cliff Sirlin last invest?
The most recent investment recorded for Cliff Sirlin closed in Aug 2022. 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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