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Watsi

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Watsi

Watsi is the first global crowdfunding platform for medical…

watsi.org
HQ: San Francisco, CA, USA; Remote
11-50
Healthcare

Company research

Public company, workplace, funding, and market signals

Updated Jul 29, 2026

Overview

Watsi is a San Francisco-based nonprofit healthcare crowdfunding platform that connects donors directly to patients needing surgery and related care, with 100% of donations going to treatment and donors receiving updates after care. Public leadership currently lists an Executive Director rather than a CEO.

Primary product

Healthcare crowdfunding platform for patient-funded surgery and the Universal Fund

Founded

2012

Headquarters

548 Market St #75903, San Francisco, CA 94104, United States

Team size

10-20

Work style

Remote

Industry

Non-profit Organizations

Sub-industry

Healthcare crowdfunding / global health financing

Offices

548 Market St #75903, San Francisco, CA 94104, United States (mailing address)
Distributed remote team across the United States, Canada, the United Kingdom, and Australia

Business model

donation-based crowdfunding
monthly giving via Universal Fund
philanthropic multi-year funding for operations
gift card / directed-giving products

Funding

Stage

Series A

Total raised

$4.7M

Latest round

Series A (philanthropic round) · Nov 2015

Latest amount

$3.5M

Philanthropic round / Series A

Nov 2015

$3.5M

Philanthropic seed round

Jul 2013

$1.2M

People & investors

Leadership

Mackinnon Engen

Executive Director

Keenyn McFarlane

Chief Financial Officer

Sonam Singh

Director of Marketing & Insights

Kalvin Wang

Senior Software Engineer

Kimmy Coseteng

Program Advisor

Jane Ngige-Muturi

Program Advisor

Abbey Henrichs

Program and Operations Associate

Founders

Chase Adam

Co-founder; former CEO

Grace Garey

Co-founder; former COO

Investors

Draper Richards Kaplan Foundation
Eric Wu
Geoff Ralston
InnoSpring / TEEC Angel Fund
Jasmine Social Investments
Joe Greenstein
Paul Buchheit
Paul Graham
Ron Conway
Supercell founders Ilkka Paananen and Mikko Kodisoja
Tencent
The Pershing Square Foundation
Vinod Khosla
Y Combinator

Work & culture

Small, mission-driven, 100% remote, radically transparent, patient-first, and engineering/product-led; emphasizes direct impact, high trust, and lean execution.

Work style

Remote

Compensation

No current public salary bands were found. Historical public postings include unpaid volunteer/intern roles and older engineering roles without disclosed salary ranges.

Benefits

Flexible hours (historical public engineering internship posting)
Mentorship (historical public engineering internship posting)
Apple hardware / proper dev environment (historical public engineering internship posting)

Product & market

Pricing

Donation-based: donors can give as little as $5; 100% of public donations go to patient care, with operating support funded separately.

Differentiators

  • —100% of donations go directly to healthcare
  • —Patient-specific campaigns with post-care updates
  • —Global surgery focus rather than general fundraising
  • —Radical financial transparency
  • —Nonprofit structure with no cut taken from donations
  • —Universal Fund for recurring monthly giving
  • —Partnership model with vetted medical partners
  • —Lean remote team and startup-style execution

Technology

Ruby on Rails
Backbone.js
SCSS
PostgreSQL
Redis
Sidekiq
Heroku
RSpec
Jasmine
GitHub
Mailgun
Customer.io
Segment
Mixpanel

Customers

individual donors
monthly givers
corporate supporters
philanthropic supporters
medical partners / hospitals

Competitors

GoFundMe medical fundraising
CarePal Group
CrowdHealth
Shuidichou
Milaap

Scale & contact

Estimated revenue

$1M-$10M

Estimated monthly visits

9.1K

Traffic estimate as of Jul 2026

connect@watsi.org+1 (256) 792-8747

Latest news

Scaling trust, not just operations

Watsi blog · May 2026

Watsi announced its India launch and India Surgery Fund, said it has funded 34,000+ surgeries across 35 countries, and described a seed contribution of $50,000 for the new fund.

Healthcare for all, built by all: our journey to $20 Million

Watsi blog · Jan 2026

Milestone post celebrating $20M directed to healthcare, 33,000+ people supported, and the role of the Universal Fund and transparency in Watsi's model.

ZoomRx and Watsi Mark 12 Years of Partnership, Delivering Life-Changing Care to Hundreds Globally

EIN Presswire · Sep 2025

Partner press release says ZoomRx donors funded 376 patients across 31 countries and over $343,903 in care through Watsi's model.

A new chapter in emergency care

Watsi blog · Jul 2025

Watsi introduced its Emergency Surgery Fund, backed by anonymous foundation seed funding, and said it had supported 35+ emergency surgeries across Uganda, Kenya, and Burma.

Watsi on ABC News!

Watsi blog · Jun 2025

Watsi said it was featured on ABC News and highlighted a community fundraising story around young Ryan and patient-specific crowdfunding.

AboutBlogContactFAQGitHub orgImpact / year in reviewLinkedIn companyWebsiteX / TwitterY Combinator profile
SourcesOfficial about pageHomepageContact pageFAQWhy Watsi?Impact / year in reviewBlogGitHub orgY Combinator company pageLinkedIn company pageTechCrunch seed round coverageTechCrunch Series A coverageStackShare tech stack interviewABC News blog postZoomRx press release

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