One notable Executive Secretary in Black history is Mary McLeod Bethune. She was a prominent African American educator, civil rights leader, and government official in the early to mid-20th century. Bethune founded the National Council of Negro Women in 1935 and served as its first president. She also advised several U.S. presidents on issues related to African Americans and served as the Director of the Division of Negro Affairs of the National Youth Administration under President Franklin D. Roosevelt.

Bethune was a tireless advocate for racial equality and worked to improve education and economic opportunities for African Americans. Her work as an Executive Secretary and government official played a significant role in advancing civil rights and social justice for African Americans in the United States.