What Does GiveWell Do?

Total employees82
HeadquartersN/A (Distributed Operations)
Founded2007

GiveWell is a non-profit organization dedicated to finding outstanding giving opportunities and publishing the full details of its analysis to help donors decide where to give. They conduct in-depth research to identify a short list of the most effective, evidence-backed charities that save or improve lives the most per dollar, primarily in global health and poverty alleviation.

Where Is GiveWell's Headquarters?

HQ Function

Core research, charity analysis, communications, fundraising, and operational functions are performed by a distributed team across various locations, primarily in the United States. The physical address in Oakland serves mailing and administrative purposes.

Notable Features:

As a remote-first organization, GiveWell's 'headquarters' is characterized by its robust digital infrastructure, collaborative online tools, and communication platforms that enable efficient remote work, rather than physical building features. A small, optional office space is available for Bay Area staff.

Work Culture:

GiveWell fosters a work culture centered on intellectual rigor, transparency, open debate, critical thinking, and a profound commitment to its mission of maximizing global good. The remote environment promotes autonomy, flexibility, and focused work.

HQ Significance:

The distributed operational model allows GiveWell to attract diverse talent from various locations, maintain cost-effectiveness, and focus resources on its core mission of charity evaluation and donor guidance, rather than on extensive physical infrastructure.

Values Reflected in HQ: The operational model reflects values such as efficiency, cost-effectiveness, adaptability, global perspective, and a primary focus on mission impact over physical presence.

Location:

GiveWell's research and recommendations have a significant global impact, primarily focusing on identifying and directing funds to highly effective charities operating in low- and middle-income countries. These charities tackle issues like malaria prevention, vitamin A supplementation, deworming, and direct cash transfers. While its operational team is largely remote and based primarily in the US, its analytical scope, the reach of its recommended charities, and its donor base are international.

Street Address:

N/A (Remote-first organization)

City:

N/A (Distributed Operations)

State/Province:

N/A (Distributed Operations)

Country:

USA (Primary operational base)

Where Else Does GiveWell Operate Around the World?

Oakland, CA, USA

Address: PMB 107, 1714 Franklin St, Oakland, CA 94612-3409

Provides a physical mailing point for correspondence and legal documentation, and offers an optional workspace for local staff, facilitating in-person collaboration if desired. Core operations remain distributed.

Buying Intent Signals for GiveWell

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading GiveWell? Meet the Executive Team

As of April 2025, GiveWell' leadership includes:

Elie Hassenfeld - Co-Founder and Chief Executive Officer
Catherine Hollander - Managing Director
Josh Rosenberg - Chief Operating Officer
Olivia Larsen - Research Director
Andrew Martin - Director of Engineering
Teryn McElroy - Director of Communications
Megan Czasonis - Director of Growth
Ben Phillips - Head of Finance

Who's Investing in GiveWell?

GiveWell has been backed by several prominent investors over the years, including:

Open Philanthropy
Good Ventures
Individual Donors Globally
Various Charitable Foundations

What Leadership Changes Has GiveWell Seen Recently?

Hire1
Exits0

GiveWell's leadership team has seen some additions in senior roles. Notably, Ben Phillips joined as Head of Finance in late 2023. Specific executive departures are not prominently publicized.

New Appointments:

Ben Phillips, Ben Phillips joined GiveWell as Head of Finance, strengthening the leadership team with expertise in financial management for non-profits.

What Technology (Tech Stack) Is Used byGiveWell?

Discover the tools GiveWell uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

GiveWell Email Formats and Examples

GiveWell primarily uses the [firstname].[lastname]@[domain] email format for its staff. This is a common convention for professional communication within the organization.

firstname.lastname@givewell.org

Format

elie.hassenfeld@givewell.org

Example

90%

Success rate

What's the Latest News About GiveWell?

GiveWell BlogMay 15, 2024

GiveWell Recommends $20 Million Grant to Evidence Action’s Accelerator

GiveWell announced its recommendation for a $20 million grant to Evidence Action’s Accelerator to support the identification and scaling of new, evidence-based, and cost-effective programs....more

GiveWell BlogMarch 13, 2024

GiveWell Releases 2023 Metrics Report Detailing Donor Impact

GiveWell published its 2023 Metrics Report, highlighting that it influenced $566 million to its recommended programs and the All Grants Fund, demonstrating significant growth and impact in directing funds to high-impact interventions....more

Philanthropy News DigestNovember 29, 2023

GiveWell Recommends $60 Million to StrongMinds for Mental Health

GiveWell recommended $60 million over three years to StrongMinds, an organization that provides group talk therapy for women with depression in sub-Saharan Africa. This grant marked one of GiveWell's largest to a new top charity....more

GiveWell BlogOctober 19, 2023

GiveWell Updates Top Charity List: Adds Deworm the World, Removes SCI Foundation

GiveWell announced updates to its top charity list, adding Evidence Action’s Deworm the World Initiative and removing SCI Foundation (now Unlimit Health) due to evolving analysis of cost-effectiveness and funding needs....more

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