Soudan-Nonault was born in Brazzaville to Senator Jean-Pierre Nonault, who served as Congolese ambassador to France and Russia.

She was a presenter of news programs on Radio Congo as well as produced a number of shows such as Les stratèges du Look and Clin d'oeil d'Arlette Soudan-Nonault.

In 2005, she founded a private school Institution Saint François d'Assise in the outskirts of Brazzaville.

In this role, she is charged with increasing the share of tourism from 3% to 10% by 2021, to help diversify the country's economy away from declining oil revenues.

[3] Soudan-Nonault is married to journalist François Soudan, who is the managing editor of magazine Jeune Afrique.