YMCA of Greater Seattle | 12,111 followers on LinkedIn. We are for Healthy Living, Youth Development, and Social Responsibility | The Y is Seattle’s founding nonprofit organization, offering health, hope, and opportunity. The mission of the Y is to build a community where all people, especially the young, are encouraged to develop their fullest potential in spirit, mind and body. We are an inclusive organization of men, women and children with a shared commitment to nurture the potential of youth, promote healthy living, and foster social responsibility.