Yossi Vardi
Chairman @ 4YFN
Tel Aviv, Israel
Yossi Vardi is a angel investor at 4YFN in Tel Aviv focused on Search Engine and Internet. One of Israel’s early entrepreneurs, Yossi Vardi co-founded, led, funded and helped build more than 80 high-tech, energy, natural resources, and clean-tech companies. Many of them went public, including Tekem, Alon Energy, Granite Hacarmel, answers.com, scopus, International Lasers Technologies, epals, tocows, brightcove, other were acquired :Gteko (by Microsoft), Tivella (by cisco,) Airlink (by sierra wireless), Foxytunes (by yahoo),starnet (by IAC),Gift project (by ebay).As the founding investor ofMirabilis Ltd, -the creator of iCQ - Vardi co-pioneered instant messaging. ICQ was one of the internet’s earliest successes, later sold to AOL.Vardi was chairman of the board of trustees of Jerusalem Foundation, serves on the board of trustees of the technion and served on those of Weitzman Institute. Hebrew university, open university .he was advisor to the World Bank, United Nations Development Program , CEO’s of Amazon, AOL, Siemens Albis, and Allied–signal. member of the World Economic Forum, and Co-chairman of the EU-Israel business dialogue.Vardi had an extensive government and public career, hewas the director general of Ministry of Development and Ministry of Energy. was chairman of Israel National Oil Company, and Israel Chemicals. participated in the peace talks with Egypt, Palestinians, Jordan and Syria. He received Honorary Doctorates from Technion, Israel Institute of Technology, and the Ben Gurion university , the Prime Minister Hi-Tech Award for life achievements (twice); Best Internet Personality by TechCrunch Europe; Entrepreneur of the Year by Tel Aviv University , Europe’s 25 top techs by Wall Street Journal; and one of the 200 Greatest Israelis of all times by Ynet. was elected by Israel 21c to the top 10 icons of Israeli high tech - the pioneers, by The Algemeiner for the "jewish 100 - the top 100 people positively influenced jewish life " and by wired magazine (uk) as number 9 of the wired 2014 top 100 influential people in EuropeYossi Vardi sits on the advisory boards of 3i and Amdocs and has served on boards of numerous state and private corporations including Bezeq, Israel Electric, and the Bank of Israel. Yossi has also been an Advisor to the CEOs of AOL, Amazon, and Allied Signal. Yossi Vardi has received many awards, including the Prime Minister of Israel Hi-Tech Award for life achievements on two occasions, the Industry Prize, the Ramniceanu Prize and CEOs Entrepreneurs Hall of Fame.
- Total investments:
- 14
- Last investment:
- Lead investor:
- 0%
Last updated:
For AI agents: llms.txt
Industries Yossi Vardi invests in
Stages Yossi Vardi invests in
Countries Yossi Vardi invests in
Round sizes
Round size
- Angel
- $100k–$268k
- Series A
- $1.1M–$1.7M
Investment Focus
Industry
- Search Engine 4 (29%)
- Internet 3 (21%)
- Software 2 (14%)
- Browser Extensions 2 (14%)
- Enterprise Software 2 (14%)
Stage
- Angel 8 (57%)
- Seed 3 (21%)
- Series A 2 (14%)
- Series B 1 (7%)
Country
- Israel 7 (50%)
- United States 5 (36%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
|
RoomiePics
|
RoomiePics is a social camera for sharing photos with people nearby. The app is currently in development. | $150K / Angel / Jun 01, 2010 | |
Similarweb
|
SimilarWeb offers an AI-based market intelligence platform that helps monitor web and mobile app traffic. The company gives a global multi-device market intelligence to understand, track, and grow digital market share. It allows the user to gain insight into any website's statistics and strategy.SimilarWeb was founded in 2007 andheadquartered in New York, it has offices in Israel, the UK, France, Japan, and Australia. | $1.1M / Series A / May 31, 2010 | |
The Gifts Project
|
The Gifts Project is a social ecommerce platform for Group Gifting that helps online retailers, marketplaces and gift stores to leverage their social buying experience. This white label solution brings major ecommerce websites a Social Group Gifting Platform with a winning combination of Social Networks and Group Payment straight to theircheckout process. With Group Gifting, customers can share their special occasions with their social graph by letting friends to chip in for each others gifts while shopping at their favorite online store. The Gifts Project is a product of Appchee Applications Ltd., an Israeli startup company that is backed by | Angel / Dec 01, 2009 | |
|
Similarweb
|
SimilarWeb offers an AI-based market intelligence platform that helps monitor web and mobile app traffic. The company gives a global multi-device market intelligence to understand, track, and grow digital market share. It allows the user to gain insight into any website's statistics and strategy.SimilarWeb was founded in 2007 andheadquartered in New York, it has offices in Israel, the UK, France, Japan, and Australia. | $100K / Angel / Feb 01, 2009 | |
SimilarSites.com
|
SimilarSites.com is an innovative Recommendation Engine for websites that scours the Internet to deliver the most similar websites according to a specific website or topic of your choice. Cut through the clutter of the web by finding the most relevant similar sites based on related content, website structure, link analysis algorithms, detailed usersurfing behaviors and a large community of user rankings. Using more than 30 unique Similarity Engines, our technology takes a snapshot of the inside and outside of a website. Once analyzed, we categorize the site with our huge index of data to help you get the very best similar results depending on what you are looking for. | Angel / Jan 01, 2009 | |
Joongel
|
Joongel is a web application for searching and navigating the most popular sources on the Internet in multiple verticals which is based on the geographic location of the user and traffic ranking.Instead of presenting the user with an enormous amount of scattered results from different subjects and websites Joongel provides direct search resultsfrom the ten most dominant websites in a specific subject or sub-category. The Joongel platform will support three different services, a main destination website that aggregates multiple categories, vertical search websites in different subjects and browser search plugins. | $100K / Angel / Oct 27, 2008 | |
BloggersBase
|
This platform is based on crowd-sourcing techniques and is algorithms-enhanced - powered by bloggers creating content and moderated by influential readers.BloggersBase aims tosolve the problem of UGC overflow, of uncontrolled and usually low quality, enabling media companies to incorporate premium user generated content into their offerings, effectively and at practically no extra cost. A successful implementation of one version of the white-label solution is BloggersBase also offers a **B2C** solution for individual bloggers and readers, implementing its platform as an online citizen journalism magazine spanning various topics, each implemented as a multi-authored blog, moderated by algorithm-enhanced crowd wisdom. | $125K / Seed / Jun 01, 2008 | |
AdExtent
|
AdExtent is proud to provide cutting edge ReTargeting solution to advertisers and agencies. Our team is a made up of a group of technologists that spent the past decade building data intensive applications. For the past few years, we’ve collaborated with some of the top advertisers around the world to adopt these technologies for the marketingworld.With previous experience in the Media, Financial and Government space we bring extensive knowledge and expertise to fulfill the goal of building simple to use technology that improves ad relevancy and effectiveness. | $1.7M / Series A / Jan 01, 2008 | |
DoNanza
|
DoNanza offers professional-level tools to help freelancers find new Freelancer jobs, brand their freelance business, communicate with clients and more.Conceived in 2008 by Liran Kotzer and Ami Dudu and launched in June 2009, DoNanza develops and runs the most advanced search engine for Freelancer jobs, allows freelancers to brand their ownpages from the DoNanza site to attract clients, and develops tools to help freelancers streamline their businesses. The DoNanza community now numbers more than 250,000 freelancer members, and counting.DoNanza also offers a Publishers program so websites and bloggers can customize and integrate a project board to make money while introducing their users to countless Freelancer jobs. | Angel / Jan 01, 2008 | |
YouFig
|
YouFig builds collaboration communities for companies that allow users to build networks based on common interests and projects. In addition to building one's network through collaboration, YouFig's matchmaking technology automatically recommends friends based on a user's profile and prior behavior on YouFig. YouFig competes withother business-focused social networking and collaboration solutions like | $268K / Angel / Jan 01, 2008 | |
| See all 14 investments → | |||
Co-Investors
About 4YFN
4YFN Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Yossi Vardi
Chairman
|
|||
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FAQ
What does Yossi Vardi invest in?
Yossi Vardi invests primarily in Search Engine, Internet and Software startups, most often at Angel and Seed stage. Most of the 14 investments tracked by Shizune back companies in Israel. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Yossi Vardi's check size?
Yossi Vardi typically joins rounds of $100k–$268k at Angel and $1.1M–$1.7M 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 Yossi Vardi participates in.
When did Yossi Vardi last invest?
The most recent investment recorded for Yossi Vardi closed in Jun 2010. Shizune tracks 14 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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