There are lots of Nigerians who are representing the country well abroad. They are attaining great height in their areas of specialization. They are:

(1.) Judge Edirin Okoloko
He was appointed as the Judge of Snohomish county supreme court in Washington.
Judge Okoloko is a native of Ughelli south local government in Delta state. He got his degree of law from university of Benin.

He furthered his education at Seattle University to kickstart his career in law. Before becoming a Judge, Edirin Okoloko was a Lawyer who specializes in cases like child abuse, assault and murder for thirteen years.

(2.) Judge Jude O. Nkama
He is from Ebonyi state and in the year 2016, Jude Nkama became the first African to attain the post of Judge for the first time in 349 years of New Jersey in United states.
He also tried to contest for Governorship post in New Jersey but he lost.

(3.) Judge David Ndudim
David Ndudim is from Abia state and he is the Judge of Sacramento court in California of United states.
Before becoming a Judge, he served at a law firm in Sacramento. He is a product of Lincoln Law school. David Ndudim has been in the Judiciary for the past nineteen years.

(4.) Judge Chika Anyiam
She is the Chief Judge of Dallas county criminal court of Texas. She is the first person from Africa to attain the post of state Judge in the history of United states.
Judge Chika Anyiam earned her first degree in Law from university of Calabar before migrating to United states where she was a Solicitor that specialized in criminal cases for twenty-two years before becoming a Judge.

source:https://gistongist.com/here-are-the-top-4-nigerian-judges-in-united-states/

They are doing well