Arielle Zuckerberg
General Partner @ Long Journey Ventures
San Francisco, United States
Arielle Zuckerberg is a seed investor at Long Journey Ventures in San Francisco focused on Software and Information Technology. Arielle Zuckerberg the youngest sister of Facebook CEO Mark Zuckerberg, is joining Kleiner Perkins Caufield & Byers in October 2015, in a bid by the firm to inject youth and diversity into its line-up of partners. (TechCrunch)
- Total investments:
- 24
- Last investment:
- Lead investor:
- 33%
Last updated:
For AI agents: llms.txt
Industries Arielle Zuckerberg invests in
Stages Arielle Zuckerberg invests in
Countries Arielle Zuckerberg invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $750k–$12M
- Pre-Seed
- $2.1M–$3.3M
- Series A
- $10M–$60M
Investment Focus
Industry
- Software 5 (21%)
- Information Technology 4 (17%)
- Artificial Intelligence 4 (17%)
- SaaS 3 (13%)
- Health Care 3 (13%)
Stage
- Seed 11 (46%)
- Series A 7 (29%)
- Pre-Seed 2 (8%)
- Venture - Series Unknown 2 (8%)
- Angel 1 (4%)
Country
- United States 16 (67%)
- France 1 (4%)
- Mexico 1 (4%)
- Norway 1 (4%)
- Finland 1 (4%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Solcoa Industries develops carbon-zero rare earth metals for critical supply chain needs and promote sustainable industrial practices | $45M / Venture - Series Unknown / Sep 24, 2026 | ||
| Lambda Surgical develops LambdaGuide, a spatial guidance platform adding real-time measurement and navigation to surgical endoscopes. | $6.5M / Seed / Aug 03, 2026 | ||
| Eragon is an AI Operating System built for companies to analyze business, connecting data, people, and processes into a single workspace. | $12M / Seed / Mar 18, 2026 | ||
| Foundy is an end-to-end marketplace for full and secondary M&A for tech startups. JP Lewin's first-hand experience building and exiting his last tech marketplace startup provided him insight into the unnecessary inefficiencies, complexities and costs of running an M&A process. Now, using his mission-driven passion for modernising thisprocess alongside an injection of £1.25m in initial funding led by marketplace focussed VC, Fuel Ventures, JP and his team are completely modernising the M&A industry for tech startups. Foundy.com offers startups the opportunity to seamlessly connect with relevant buyers and M&A advisors as well as access the latest knowledge, tips and tools at minimal cost, hassle and time. Educational podcasts, blogs and tutorials as well as an M&A advisory directory and a valuation calculator amongst other resources are examples of ways in which Foundy strives to help founders and respective buyers to complete rewarding deals time and cost-effectively. We are extremely excited to be launching a range of products in 2022/3. We welcome you to sign up as a seller or buyer or join our newsletter via foundy.com. Feel free to reach out if you are a prospective investor or journalist interested in working with Foundy. Stay tuned. | $750K / Seed / Mar 06, 2026 | ||
| Powered by AI, Mona Lee is the fastest, most efficient way for homeowners to go solar. Through a direct-to-consumer approach, Mona Lee’s AI-powered self-serve platform transforms the solar buying experience by eliminating non-stop solicitation calls, lengthy design and evaluation processes, and back-and-forth price negotiations that can take up toweeks. With Mona Lee, customers go from quote to scheduling their installation in minutes. Feel free to visit our website to read customer testimonials and Mona Lee solar reviews.Mona Lee was founded by a group of serial entrepreneurs with decades of experience in clean energy. The company is headquartered in Boston, MA and is proud to serve homeowners nationwide. | $6M / Venture - Series Unknown / Mar 04, 2026 | ||
| Myriad AI provides a reliable and controllable AI-powered platform to put Compliance on Autopilot, enabling businesses to thrive. | $7.8M / Seed / Sep 16, 2025 | ||
| The world's most comprehensive and convenient platform to manage your health, for life. | $30M / Series A / Apr 22, 2025 | ||
| Justpoint is the artificial intelligence-powered platform connecting people with the right litigation attorney and tools. Using predictive analytics rather than billboards, Justpoint brings transparency, simplicity, and credibility to the process of finding litigators in the personal injury space. For attorneys, Justpoint takes on back-office taskswhile creating efficiencies in the discovery process so they can quickly understand a claim's merit and obtain the best results. With over 1000 law firms, more than 300,000 historical claims, and operations in 33 states, Justpoint’s team of attorneys, engineers, and doctors are dedicated to increasing access to justice. For more information visit https://justpoint.com. | $45M / Series A / Feb 12, 2025 | ||
| Levels develops a health and wellness platform designed to monitor metabolic fitness. The platform tracks blood glucose in real-time, enabling users to optimize their diet and exercise. The company was founded in 2019 and is a remote-first company. | $10M / Series A / Aug 14, 2024 | ||
| Dark develops space defense technology focused on protecting satellites and addressing orbital threats. The company builds systems for space security, satellite defense, and interception of objects in orbit. | $5.9M / Seed / Apr 15, 2024 | ||
| See all 24 investments → | |||
Co-Investors
About Long Journey Ventures
Long Journey Ventures focuses on identifying outliers and unique market opportunities that challenge standard industry norms across various sectors. Its investment strategy prioritizes long-term financial returns for limited partners by maintaining disciplined stewardship of capital. The firm offers a personalized support model for its portfolio companies, incorporating direct communication and community-building events to assist with business development. By emphasizing individual autonomy and creative problem-solving, the entity seeks to empower entrepreneurs who are building complex or non-traditional platforms.
Long Journey Ventures Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Jonathan Bruck
Venture Partner
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Lee Jacobs
Founder and General Partner
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Pascal Levy-Garboua
Venture Partner
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Arielle Zuckerberg
General Partner
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Brian Balfour
Venture Partner
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FAQ
What does Arielle Zuckerberg invest in?
Arielle Zuckerberg invests primarily in Software, Information Technology and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 24 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 Arielle Zuckerberg invest in?
Arielle Zuckerberg typically joins rounds of $750k–$12M at Seed, $2.1M–$3.3M at Pre-Seed and $10M–$60M at Series A. These are whole funding-round sizes, not Arielle Zuckerberg's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Arielle Zuckerberg took part in.
How do I contact Arielle Zuckerberg?
Public channels for Arielle Zuckerberg 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 Arielle Zuckerberg last invest?
The most recent investment recorded for Arielle Zuckerberg closed in Sep 2026. Shizune tracks 24 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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