Insights

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Gathering insights about Watsi

Watsi Tech Stack

Watsi uses 8 technology products and services including Handlebars, Lightbox, PayPal, and more. Explore Watsi's tech stack below.

  • Handlebars
    Javascript Frameworks
  • Lightbox
    Javascript Libraries
  • PayPal
    Payment Processing
  • Kotlin
    Programming Languages
  • HSTS
    Security
  • X-Content-Type-Options
    Web & Portal Technology
  • Ruby on Rails
    Web Frameworks
  • Nginx
    Web Servers

Media & News

Watsi's Email Address Formats

Watsi uses at least 1 format(s):
Watsi Email FormatsExamplePercentage
First.Last@watsi.orgJohn.Doe@watsi.org
33%
First@watsi.orgJohn@watsi.org
31%
Last@watsi.orgDoe@watsi.org
3%
First.Last@watsi.orgJohn.Doe@watsi.org
33%

Frequently Asked Questions

Where is Watsi's headquarters located?

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Watsi's main headquarters is located at 548 Market St, #75903 San Francisco, California 94105, US. The company has employees across 3 continents, including North AmericaEuropeOceania.

What is Watsi's phone number?

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You can contact Watsi's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Watsi's official website and social media links?

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Watsi's official website is watsi.org and has social profiles on LinkedInCrunchbase.

What is Watsi's SIC code NAICS code?

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Watsi's SIC code is 7991 - Physical Fitness Facilities NAICS code is 813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations.

How many employees does Watsi have currently?

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As of October 2025, Watsi has approximately 31 employees across 3 continents, including North AmericaEuropeOceania. Key team members include Chief Financial Officer: K. M.President, Mcmaster Chapter: T. L.Director, Marketing & Insights: S. S.. Explore Watsi's employee directory with LeadIQ.

What industry does Watsi belong to?

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Watsi operates in the Non-profit Organizations industry.

What technology does Watsi use?

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Watsi's tech stack includes HandlebarsLightboxPayPalKotlinHSTSX-Content-Type-OptionsRuby on RailsNginx.

What is Watsi's email format?

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Watsi's email format typically follows the pattern of First.Last@watsi.org. Find more Watsi email formats with LeadIQ.

How much funding has Watsi raised to date?

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As of October 2025, Watsi has raised $3.5M in funding. The last funding round occurred on Nov 04, 2015 for $3.5M.

When was Watsi founded?

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Watsi was founded in 2012.
Watsi

Watsi

Non-profit OrganizationsUnited States11-50 Employees

Directly fund life-changing healthcare for people around the world.

Watsi is a nonprofit that lets anyone donate as little as $5 to directly fund high-impact surgical care for patients around the world. We believe everyone deserves access to healthcare, and are committed to using technology to make healthcare a reality for those who might not otherwise be able to afford it. 

Donate directly to a patient who needs a life-changing surgery or sign up to automatically support a new patient every month.  100% of your donation funds life-changing healthcare — we prove it by being radically transparent. 

Visit watsi.org to meet a patient you can support with life-changing healthcare today. Have any questions? Please email us at connect@watsi.org.

Watsi is a registered U.S. 501(c)(3) non-profit organization (EIN: 45-3236734).

Section iconCompany Overview

Headquarters
548 Market St, #75903 San Francisco, California 94105, US
Phone number
Website
watsi.org
SIC Code
7991 - Physical Fitness Facilities
NAICS Code
813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations
Founded
2012
Employees
11-50

Section iconFunding & Financials

  • $3.5M

    Watsi has raised a total of $3.5M of funding over 2 rounds. Their latest funding round was raised on Nov 04, 2015 in the amount of $3.5M.

  • $1M$10M

    Watsi's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $3.5M

    Watsi has raised a total of $3.5M of funding over 2 rounds. Their latest funding round was raised on Nov 04, 2015 in the amount of $3.5M.

  • $1M$10M

    Watsi's revenue is estimated to be in the range of $1M$10M

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