 Ramiaramanana began working at Marc Ravalomanana's dairy company, TIKO, in 1997, holding positions in management.Ravalomanana won the disputed December 2001 presidential election, and Ramiaramanana was named President of the Special Delegation of Antananarivo to replace Ravalomanana, who had been the city's mayor.He was appointed chairman of the board of the state electricity and water company, Jirama, in October 2003, and soon afterward, on October 16, he publicly announced his anticipated candidacy for Mayor of Antananarivo.