The meeting, which begins on Monday, will dwell on issues such as nuclear arms limitation and ways to prevent criminal elements from gaining access to nuclear material and arms.
President Halonen will also meet prominent American women in a luncheon meeting on the role of women in climate policy. The event has been organized by the Finnish Embassy in the US and the Center for American Progress.
Halonen's agenda includes a meeting with the global network known as the Council of Women World Leaders, which she currently chairs.