The role of the choreographer is to create a specific artistic vision and translate it into movement for solos or groups. The dance teacher, however, will not be expected to be creative and invent new moves--the role of the dance instructor is to help the dance student develop technique and continually challenge her artistic and physical skills.
A dance instructor will need a strong dance background. Many former or current professional dancers also teach, and those who do not have a history of professional performing should have a university degree in dance, have completed a significant amount of advanced dance training, and/or hold specific certifications directly related to dance teaching.
Though many choreographers start as dance professionals or students, a strong foundation in dance technique is not necessary to become a successful choreographer; as long as he has fresh ideas and a specific artistic vision, anyone can develop the skills and drive to choreograph and present successful dance pieces.
Some choreographers desire a certain aesthetic in their work, and so double as teachers for their company of dancers. These choreographers/instructors give class in their specific dance style in order to prepare their dancers for the quality of movement they want in their choreography
These professions are often alternatives to performing careers for those who want to work with dance but do not aspire to dance professionally. Choreographers can work for dance companies, cabarets, on Broadway, or in film and television. Dance instructors can teach at private studios, professional dance academies, public schools, universities, community centers or gyms.