Mark W. Libby is an American former diplomat who had served the United States Ambassador to Azerbaijan from 2023 to 2025.

A native of New England and graduate of Pomperaug High School in Southbury, CT, Libby obtained a Bachelor’s Degree from Tufts University.

In Washington D.C., he served as a watch-stander and later deputy director for Crisis Management in the State Department Operations Center.

[4] On May 25, 2022, President Joe Biden nominated Libby to be the United States ambassador to Azerbaijan.

[6] On January 18, 2024 Mark Libby presented his credentials to the President of Azerbaijan Ilham Aliyev.