Roudnie Célestin will take over as Mayor Martin Walsh’s new Mattapan neighborhood liaison and citywide liaison for the Haitian community this week. A native of Pétion-Ville, Haiti, Célestin has lived in Boston since 2003. She is a graduate of UMass Boston and MassBay Community College. She previously worked at Brigham & Women’s Hospital and Haitian Creole within the African Language Program at Harvard University.

Ruth Georges, who served in this role for the last two years, stepped down earlier this month.

“Roudnie has a proven passion for community building and working to improve people’s lives, which are crucial qualities in a neighborhood liaison, ” said Mayor Walsh in a statement announcing the appointment. “I am excited to have her on the City’s team, and I look forward to working with her in our neighborhoods.”