French chefs have made significant contributions to the culinary world, and their influence can be found in many kitchens worldwide. However, it's difficult to provide a precise assessment of the proportion of French chefs in America as the culinary landscape is diverse and constantly evolving.
While French cuisine has had a strong impact on the development of fine dining in the United States, the American culinary scene is also shaped by various other influences, such as Italian, Mexican, Chinese, and many others. American chefs draw inspiration from a wide range of culinary traditions and techniques, creating a rich and diverse culinary tapestry.
Additionally, the professional chef community in the United States comprises chefs from diverse backgrounds and culinary training. Many American chefs have attended culinary schools within the country, but others have trained abroad or come from different culinary traditions.
So while French chefs and their techniques continue to have an influence on American cuisine, it would be challenging to quantify the exact proportion of French chefs in the broader chef population in the United States.