Lead Exposure Elimination Project (LEEP) is an international
non-governmental organization
A non-governmental organization (NGO) is an independent, typically nonprofit organization that operates outside government control, though it may get a significant percentage of its funding from government or corporate sources. NGOs often focus ...
aimed at reducing
lead exposure
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, numbness and tingling in ...
in
low- and middle-income countries
A developing country is a sovereign state with a less-developed industrial base and a lower Human Development Index (HDI) relative to developed countries. However, this definition is not universally agreed upon. There is also no clear agreemen ...
.
Based in
London, England
London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
, it was founded in 2020 to promote research and advocacy on the prevalence and consequences of
lead poisoning
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, numbness and paresthesia, t ...
in the developing world.
Giving What We Can
Giving What We Can (GWWC) is an effective altruism nonprofit that promotes effective giving through education, outreach, and advocacy around the 10% Pledge, which encourages members to donate at least 10% of their income to effective charities. ...
has identified LEEP as among the most cost effective charitable organizations in the world, preventing childhood lead exposure at a cost of
US$
The United States dollar (Currency symbol, symbol: Dollar sign, $; ISO 4217, currency code: USD) is the official currency of the United States and International use of the U.S. dollar, several other countries. The Coinage Act of 1792 introdu ...
1.66 on average,
and saving
disability-adjusted life year
A disability-adjusted life year (DALY) is a measure of overall disease burden, representing a year lost due to ill-health, disability, or early death. It was developed in the 1990s as a way of comparing the overall health and life expectancy of ...
s for approximately US$14.
In 2023, LEEP had revenues of US$8.97 million.
History
LEEP was founded in 2020 by Lucia Coulter, a British physician and former
NHS
The National Health Service (NHS) is the term for the publicly funded health care, publicly funded healthcare systems of the United Kingdom: the National Health Service (England), NHS Scotland, NHS Wales, and Health and Social Care (Northern ...
doctor, and Jack Rafferty, a former
NGO
A non-governmental organization (NGO) is an independent, typically nonprofit organization that operates outside government control, though it may get a significant percentage of its funding from government or corporate sources. NGOs often focus ...
executive.
The organization was incubated by Charity Entrepreneurship, which supported LEEP in its first year with a US$60,000 grant.
Among LEEP's first projects was a study of the incidence of lead in paint brands in
Malawi
Malawi, officially the Republic of Malawi, is a landlocked country in Southeastern Africa. It is bordered by Zambia to the west, Tanzania to the north and northeast, and Mozambique to the east, south, and southwest. Malawi spans over and ...
.
Conducted in partnership with Malawi's Bureau of Standards, the study found that 53% of sampled paints had dangerous levels of lead.
After its paint study, LEEP partnered with the
Malawian government to craft regulations against lead paint, offering technical support to manufacturers to find alternative formulas. A follow up paint study conducted in 2023 found that the share of lead contaminated paint samples in Malawi fell to 33%.
LEEP has replicated its "playbook" of testing, regulation, and enforcement in several other countries. In 2022, LEEP supported a study of
lead paint
Lead paint or lead-based paint is paint containing lead. As pigment, lead(II) chromate (, "chrome yellow"), lead(II,IV) oxide, (, "red lead"), and lead(II) carbonate (, "white lead") are the most common forms.. Lead is added to paint to acceler ...
in the cities of
Gaborone, Botswana, and
Harare, Zimbabwe
Harare ( ), formerly Salisbury, is the capital and largest city of Zimbabwe. The city proper has an area of , a population of 1,849,600 as of the 2022 census and an estimated 2,487,209 people in its metropolitan province. The city is situa ...
, in collaboration with researchers at the Faculty of Medicine and Health Sciences of the
University of Zimbabwe
The University of Zimbabwe (UZ) is a public university in Harare, Zimbabwe. It was opened in 1952 as the University College of Rhodesia and Nyasaland, and was initially affiliated with the University of London. It was later renamed the Univers ...
. Results found that over 70% of sampled paints had lead levels above the regulatory limit.
LEEP has also conducted research and advocacy in
Pakistan
Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia. It is the List of countries and dependencies by population, fifth-most populous country, with a population of over 241.5 million, having the Islam by country# ...
, where 70% of children have blood lead levels exceeding 5 micrograms per liter,
the
World Health Organization
The World Health Organization (WHO) is a list of specialized agencies of the United Nations, specialized agency of the United Nations which coordinates responses to international public health issues and emergencies. It is headquartered in Gen ...
guideline for when it is worthwhile identifying and terminating sources of lead exposure. In their initial survey, LEEP found that 40% of sampled paints had lead levels above the legal limit in Pakistan,
suggesting poor enforcement of existing rules. In response, LEEP worked with the Pakistani government and local paint manufacturers to improve enforcement of regulations against lead adulteration.
Within four months, ten paint manufacturers, five of them among the most popular paint brands in Pakistan, agreed to switch to lead-free formulations.

In 2022, LEEP co-founders Lucia Coulter and Jack Rafferty were named to
Vox's inaugural "Future Perfect 50", a list of 50 individuals working on important, neglected, and tractable global issues.
That same year, Coulter and LEEP co-executive director Clare Donaldson joined a working group convened by the
Center for Global Development
The Center for Global Development (CGD) is a nonprofit think tank based in Washington, D.C., and London that focuses on international development.
History
It was founded in November 2001 by former senior U.S. official Edward W. Scott, directo ...
aimed at mitigating the burden of
lead poisoning
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, numbness and paresthesia, t ...
in the
developing world
A developing country is a sovereign state with a less-developed industrial base and a lower Human Development Index (HDI) relative to developed countries. However, this definition is not universally agreed upon. There is also no clear agreeme ...
.
In December 2023, LEEP co-founder Lucia Coulter appeared on the podcast of
80,000 Hours
80,000 Hours is a London-based nonprofit organisation that conducts research on which careers have the largest positive social impact and provides career advice based on that research. The organisation's name refers to the typical amount of tim ...
, a non-profit organization that advocates and advises individuals on how to have the highest social impact over the course of their careers.
At the annual meeting of the
World Health Assembly
The World Health Assembly (WHA) is the forum through which the World Health Organization (WHO) is governed by its 194 World Health Organization#Membership, member states. It is the world's highest health policy setting body and is composed of h ...
in 2024, LEEP participated in a roundtable on
the dangers of lead exposure alongside representatives from
USAID
The United States Agency for International Development (USAID) is an agency of the United States government that has been responsible for administering civilian United States foreign aid, foreign aid and development assistance.
Established in 19 ...
,
UNICEF
UNICEF ( ), originally the United Nations International Children's Emergency Fund, officially United Nations Children's Fund since 1953, is an agency of the United Nations responsible for providing Humanitarianism, humanitarian and Development a ...
, and the governments of
Nigeria
Nigeria, officially the Federal Republic of Nigeria, is a country in West Africa. It is situated between the Sahel to the north and the Gulf of Guinea in the Atlantic Ocean to the south. It covers an area of . With Demographics of Nigeria, ...
,
Bangladesh
Bangladesh, officially the People's Republic of Bangladesh, is a country in South Asia. It is the List of countries and dependencies by population, eighth-most populous country in the world and among the List of countries and dependencies by ...
, and
Vietnam
Vietnam, officially the Socialist Republic of Vietnam (SRV), is a country at the eastern edge of mainland Southeast Asia, with an area of about and a population of over 100 million, making it the world's List of countries and depende ...
.
The meeting was called in response to a call for action by USAID administrator
Samantha Power
Samantha Jane Power (born September 21, 1970) is an Irish-American journalist, diplomat, and government official who served as the Administrator of the United States Agency for International Development from 2021 to 2025. She was the 28th Unite ...
, who has highlighted
lead exposure
Lead poisoning, also known as plumbism and saturnism, is a type of metal poisoning caused by lead in the body. Symptoms may include abdominal pain, constipation, headaches, irritability, memory problems, infertility, numbness and tingling in ...
as a priority area of focus.
Funding

LEEP was incubated and provided with seed funding by Charity Entrepreneurship, an organization that promotes innovative, evidence-based initiatives to maximize social impact.
In 2023, LEEP raised US$8.97 million, with the majority of its revenue coming from
Founders Pledge
Founders Pledge is a London-based charitable initiative, where entrepreneurs commit to donate a portion of their personal proceeds to charity when they sell their business. The mission of Founders Pledge is to "empower entrepreneurs to do immense ...
,
Schmidt Futures
Schmidt Futures is a philanthropic venture founded by Eric Schmidt and Wendy Schmidt in 2017. The philanthropy funds science and technology research and talent networking programs. The organization's grants include large-scale "moonshots". Schmidt ...
,
and the Greenbridge Family Foundation. LEEP has also raised significant funds from
Open Philanthropy
Open Philanthropy is an American philanthropic advising and funding organization focused on cost-effective, high-impact giving. Its current CEO is Alexander Berger.
As of June 2025, Open Philanthropy has directed more than $4 billion in gran ...
, an
effective altruism
Effective altruism (EA) is a 21st-century philosophical and social movement that advocates impartially calculating benefits and prioritizing causes to provide the greatest good. It is motivated by "using evidence and reason to figure out how to b ...
inspired grant maker, which identified reducing childhood lead exposure as a neglected, tractable, and cost effective way of improving welfare. LEEP is one of three main grantees, alongside
Pure Earth and the
Center for Global Development
The Center for Global Development (CGD) is a nonprofit think tank based in Washington, D.C., and London that focuses on international development.
History
It was founded in November 2001 by former senior U.S. official Edward W. Scott, directo ...
, supported by Open Philanthropy that aim to reduce lead exposure in
low and middle income countries
A developing country is a sovereign state with a less-developed industrial base and a lower Human Development Index (HDI) relative to developed countries. However, this definition is not universally agreed upon. There is also no clear agreemen ...
. In 2023, LEEP also received over US$1.7 million in donations from private individuals
including
William MacAskill
William David MacAskill (' Crouch; born 24 March 1987) is a Scottish philosopher and author, as well as one of the originators of the effective altruism movement. He was a Research Fellow at the Global Priorities Institute at the University of ...
, a philosopher and originator of the
effective altruism
Effective altruism (EA) is a 21st-century philosophical and social movement that advocates impartially calculating benefits and prioritizing causes to provide the greatest good. It is motivated by "using evidence and reason to figure out how to b ...
movement.
Since 2024, LEEP has partnered with the
United States Agency for International Development
The United States Agency for International Development (USAID) is an agency of the United States government that has been responsible for administering civilian foreign aid and development assistance.
Established in 1961 and reorganized in 1998 ...
to reduce lead exposure in low and middle income countries.
USAID Administrator
Samantha Power
Samantha Jane Power (born September 21, 1970) is an Irish-American journalist, diplomat, and government official who served as the Administrator of the United States Agency for International Development from 2021 to 2025. She was the 28th Unite ...
has observed that the agency is "well-positioned to convene around, advocate for, and support lead mitigation efforts by partner governments."
References
{{reflist
International non-profit organizations
Organizations established in 2020
Organisations based in London
Lead poisoning