Dorcély assumed the role when her husband, then-Supreme Court Chief Justice Boniface Alexandre, became interim President of Haiti following the 2004 Haitian coup d'état which overthrew Jean-Bertrand Aristide.

[1][2] During her tenure as First Lady, Célima Dorcély Alexandre oversaw the construction of a chapel in Thomazeau, which she dedicated to Our Mother of Perpetual Help, the patron saint of Haiti.

[2] Jean Robert Hérard, a writer and historian of Haitian first ladies, noted that neither First Lady Célima Dorcély Alexandre nor President Alexandre had any public financial scandals while in office, a noteworthy exception for presidential couples in modern Haitian politics.

[1] In his book, "Les Premiers dames de la République d'Haïti (1957-2019)", Hérard credited Dorcély's background and "humility" for the lack of public scandals and mismanagement during their tenures.

[1] Célima Dorcély Alexandre died from complications of a stroke on August 11, 2020, at the Hospital Bernard Mevs in Delmas, near Port-au-Prince.