Haitian Americans have made significant contributions to various aspects of American society. Here are a few examples:

1. Culture: Haitian Americans have contributed to the diversity of American culture through their music, art, literature, and cuisine. Haitian music and dance, such as kompa and zouk, have gained popularity in the United States, and Haitian cuisine has become increasingly popular in major cities.

2. Politics: Haitian Americans have also been involved in American politics, both as voters and as political leaders. For example, several Haitian Americans have been elected to political office at the local, state, and federal levels.

3. Science and Medicine: Haitian Americans have also made significant contributions in the fields of science and medicine. For example, Dr. Jean-Baptiste Brunet, a Haitian American physician, was one of the first doctors to use insulin to treat diabetes.

4. Education: Haitian Americans have also contributed to American education, both as teachers and as students. Many Haitian American educators have worked to promote bilingual education and cultural awareness in American schools, while many Haitian American students have excelled academically and gone on to successful careers in various fields.

Overall, Haitian Americans have made important contributions to the cultural, social, economic, and political fabric of the United States.