Organization Ethical Society

American Society of Composers, Authors, and Publishers (charter member)

Academy of Political Science

Civic Club

Phi Beta Sigma

National Association for the Advancement of Colored People (NAACP)

Stanton College Preparatory School (principal)

Fisk University (professor)

The Daily American (founder and editor)

Colored Republican Club (treasurer)

New York Age (editorial writer)

American Fund for Public Service (director)

Bar of the State of Florida

Stanton Central Grammar School for Negroes (teacher and principal)

Cole and the Johnson Brothers

New York University

Fabian Society (founding member | 1884)

Thomas Davidson School of the Cultural Sciences, Farmington, Connecticut (lecturer)

Brooklyn Academy of Arts and Sciences (lecturer | 1890-1892)

Brooklyn Manual Training High School (Head of English | 1893-1897)

New York Society Ethical Culture School (second-grade principal | 1897)

Society for Ethical Culture, New York (associate leader | 1897-1910)

Pratt Institute (lecturer)

New York University (lecturer)

St Louis Ethical Society (leader | 1911-1932)

Drama League of America (president | 1915-1920)

American Ethical Union (president | 1934-1939)