One Brick managers. At the national level, One Brick is run by an Executive Director, who ensures collaboration between the chapters in different cities. Activities One Brick operates by connecting volunteers with non-profit partner organizations. Over 1,600 organizations have partnered with One Brick, including Habitat for Humanity, American Heart Association, DC Central Kitchen, and the Greater Chicago Food Depository. The exact activity performed by volunteers on the day of an event depends on the mission of the non-profit partner, but typical examples include sorting charitable contributions, preparing food for disadvantaged members of the community, assisting at fund-raising galas and helping to clean up parks and green spaces. One Brick events usually last 3–4 hours. After each event, the One Brick manager organizes a get-together for the volunteers to socialize. This social aspect is considered a key feature of the One Brick volunteer experience. References Service organizations based in the United States