Co-founder & CEO @ AirFox

Immigrant Entrepreneur and Blockchain Technologist



30 Under 30 - Social Entrepreneurs

Airfox is what happens when cryptocurrency meets social entrepreneurship. The company is tapping into the decentralized power of the Ethereum blockchain to make mobile internet more affordable through advertising and microloans. Airfox recently held an $15 million ICO for a total funding of $16.5 million.

Why 2 Ex-Googlers Moved to Boston to Raise Their Startup’s Seed Round

After meeting each other at Google a few years ago, Sara Choi and Victor Santos could have stayed on the West Coast to launch their new startup and find some investors. But they instead decided to move to Boston earlier this year to start Airfox, their new adtech venture that aims to make mobile internet affordable for people who struggle to pay for it.

October 9, 2017
Why This Boston Startup Wanted An Initial Coin Offering And Then Delayed It 3 Times

Anonymity: It’s one of the draws of cryptocurrency, and it's also one of the dangers. That’s one lesson that Airfox, the latest company in Boston to raise money through an initial coin offering, has learned over the past month. In the past year, startups have increasingly turned to initial coin offerings (ICO) to raise money fast.

August 8, 2017
This Techstars Boston alum is planning to raise $15M — all through cryptocurrency

Boston-based AirFox, a graduate of the 2016 Techstars Boston accelerator program, will later this month become one of the first local startups to raise money by selling its own cryptocurrency online — a process known as an "initial coin offering" or ICO.

This Techstars Alum Plans to Use Cryptocurrency to Make the Internet More Affordable

Is cryptocurrency the solution to providing a more affordable Internet? Airfox thinks so, which is why the Boston startup is launching its own cryptocurrency as a way to help low-income individuals redeem mobile data for their smartphones, as well as buy digital services and physicals goods. 

Jan 22, 2018
Pareteum and AirFox Expand Blockchain Technology Partnership

Pareteum Corporation (NYSE American: TEUM), ("Pareteum" or the "Company"), the rapidly growing Cloud Communications Platform company, announced today that it has expanded its relationship with AirFox by adding AirFox's Blockchain and AirToken (AIR) platform to the Pareteum Global Cloud Service Platform.

Victor Santos: Founder and CEO of Airfox


Victor is an ex-Googler, UC Berkeley alum, Forbes 30 under 30 recipient, and TechStars Boston entrepreneur. He began working with VoIP at iWorldServices, opening their LatAM division. He then co-founded Ciao Telecom where he launched a platform for VoIP entrepreneurs and an advertising-based mobile virtual network operator (MVNO). After growing Ciao Telecom to double-digit millions in revenue, he joined Google working on product and marketing for the Google Partners program. He co-founded Airfox in January 2016 with former Google colleague Sara Choi. Victor is a DACA recipient and a big proponent for immigration reform and diversity inclusion in the technology sector.

2015 Now
Co-Founder & CEO at Airfox

Co-Founder & CEO

AirFox’s vision is to make the mobile internet more affordable and accessible.

Alumni of Accelerator Program, Boston at Tech Stars

Alumni of Accelerator Program, Boston

Techstars accelerator portfolio includes more than 1,000 companies with a market cap of $8.1 billion. Techstars Mentorship-Driven Accelerator Program supercharges success and Techstars Startup Programs inspire, educate and connect.

2011 2015
Co-Founder & COO at Ciao

Co-Founder & COO

Key Project: Wholesale and Reseller VoIP platform for emerging markets "Twilio for non-technical entrepreneurs". 

2012 2014
Marketing Manager & Business Analyst Intern at Google

Marketing Manager & Business Analyst Intern

Created a more efficient and automated lead qualification and demand management process for global enterprise partners.

Improved demand management time by an average of 20%.

Developed a channel strategy to distribute.

University of California Berkeley at Berkeley

University of California Berkeley

Attended University of California Berkeley.

2009 2011
Business Development Manager at Iworld

Business Development Manager

Generated $2.2M / year of revenue in Portuguese speaking countries (Brazil, Angola, Mozambique and Cape Verde).

Developed and managed Portuguese and Spanish speaking countries selling, consulting and marketing a VoIP platform to medium sized entrepreneurs and value-added.