AmeriSpan

http://www.amerispan.com/volunteer_intern/

AmeriSpan sends thousands of people of all ages to participate in language immersion, volunteer projects , internship placements and educational programs abroad. Working with more than 150 organizations throughout Latin America, AmeriSpan's Volunteer & Internship program offers something for everyone.

Academy for Educational Development

http://www.aed.org/Employment/Current-Openings.cfm

AED is an independent, nonprofit organization committed to solving critical social problems and building the capacity of individuals, communities, and institutions to become more self-sufficient. AED works in all the major areas of human development, with a focus on improving education, health, and economic opportunities for the least advantaged in the United States and developing countries throughout the world.

CARE is a leading humanitarian organization fighting global poverty. We place special focus on working alongside poor women because, equipped with the proper resources, women have the power to help whole families and entire communities escape poverty. Women are at the heart of CARE's community-based efforts to improve basic education, prevent the spread of HIV, increase access to clean water and sanitation, expand economic opportunity and protect natural resources. CARE also delivers emergency aid to survivors of war and natural disasters, and helps people rebuild their lives.

Child Family Health International (CFHI) is a global family of committed professionals and students who work at the grassroots level to promote the health of the world community.

Cross Cultural Solutions

http://www.crossculturalsolutions.org/

Cross-Cultural Solutions is a non-profit organization founded in 1995. CCS has been operating international volunteer programs for over 10 years, with over 3,000 volunteers participating each year. CCS has a worldwide staff of over 250 people in 11 countries, with administrative offices also located in the United States and United Kingdom .

Fulbright Program

http://www.fulbrightonline.org/

The largest U.S. international exchange program offering opportunities for students, scholars, and professionals to undertake international graduate study, advanced research, university teaching, and teaching in elementary and secondary schools worldwide.

Global Service Corps

http://www.globalservicecorps.org/

Nonprofit international volunteer organization providing service-learning opportunities for people worldwide to live and work abroad in Thailand and Tanzania.

HealthCare Volunteer

http://healthcarevolunteer.com/index.php

HealthCare Volunteer was started in January 1, 2006 by an American dental and medical student, who realized the need for a free non-profit portal that connects all volunteers interested in health related volunteering to the right volunteering opportunity.

Health Communication Partnership

http://www.hcpartnership.org/index.php

The Health Communication Partnership (HCP) links five leading institutions together to accomplish its goal of strengthening public health in the developing world through strategic communication programs.

Idealist.org

http://www.idealist.org/

Over 57,000 nonprofit and community organizations in 165 countries, which you can search or browse by name, location, or mission. Thousands of volunteer opportunities in your community and around the world, and a list of organizations that can help you volunteer abroad.

Institute of International Education

http://www.iie.org/

Independent non-profit organization founded in 1919, is a world leader in the exchange of people and ideas. The Institute administers over 200 programs and serves as a clearing house for international work and study opportunities.

International Medical Corps

http://www.imcworldwide.org/about.shtml

International Medical Corps is a global humanitarian nonprofit organization dedicated to saving lives and relieving suffering through health care training and relief and development programs. Its mission is to improve the quality of life through health interventions and related activities that build local capacity in areas worldwide.

International Medical Volunteers Association

http://www.imva.org/index.html

The International Medical Volunteers Association (IMVA) is a nonprofit organization that promotes, facilitates, and supports voluntary medical activity through education and information exchange. Our interests are primarily in developing countries.

International Volunteer Programs Association

http://www.volunteerinternational.org/index.htm

An alliance of nonprofit, non-governmental organizations, based in the Americas, that are involved in international volunteer and internship exchanges.

Médicins Sans Frontières/Doctors Without Borders

http://www.doctorswithoutborders.org/home.cfm

Doctors Without Borders/Médecins Sans Frontières (MSF) is an independent international medical humanitarian organization that delivers emergency aid to people affected by armed conflict, epidemics, natural or man-made disasters, or exclusion from health care in more than 70 countries.

Pan American Health Organization

http://www.paho.org/

The Pan American Health Organization (PAHO) is an international public health agency with 100 years of experience in working to improve health and living standards of the countries of the Americas . It serves as the specialized organization for health of the Inter-American System. It also serves as the Regional Office for the Americas of the World Health Organization and enjoys international recognition as part of the United Nations system.

Rotary International/The Rotary Foundation

http://www.rotary.org/foundation/index.html

The Educational Programs Division of The Rotary Foundation exists to achieve understanding and world peace through the exchange of people internationally. It is the specific mission of the Educational Programs Division to provide quality programs and services to those individuals who apply for funding and logistical support to undertake a term of study or teaching abroad that is enhanced by becoming involved with Rotary before, during, and after their travel.

Social Science Research Council

http://www.ssrc.org/fellowships/

SSRC fellowship and grant programs provide support and professional recognition to innovators within fields, and especially to younger researchers whose work and ideas will have longer-term impact on society and scholarship. Most support from the Council goes to predissertation, dissertation, and postdoctoral fellowships, offered through annual, peer-reviewed competitions. Some programs offer summer institutes, advanced research grants, and grants for professionals and practitioners to conduct research.

Transitions Abroad

http://www.transitionsabroad.com/

Transitions Abroad is a magazine with the specific goal of providing information that would enable travelers to actually meet the people of other countries, to learn about their culture, to speak their language, and to "transition" to a new level of understanding and appreciation for our fascinating world. The web site is a clearing house for working, studying and volunteering in other countries.

UNICEF

http://www.unicef.org/about/employ/index_internship.html

The United Nations Children's' Emergency Fund

The World Bank

http://www.worldbank.org/

Internship Program

Young Professionals Program

The World Bank is a vital source of financial and technical assistance to developing countries around the world, made up of two unique development institutions owned by 184 member countries—the International Bank for Reconstruction and Development (IBRD) and the  International Development Association (IDA) .

World Health Organization

http://www.who.int/en/

The World Health Organization is the United Nations specialized agency for health. It was established on 7 April 1948. WHO's objective, as set out in its Constitution, is the attainment by all peoples of the highest possible level of health.