Galban's work has been exhibited in the United States, Cuba, Mexico, and Costa Rica and is part of the permanent collection of the Tampa Museum of Art and the Alvin Sherman Library.

During his Miami period, Galban became connected to significant figures of the Cuban exile art community such as painters Hortensia Gronlier, José Mijares, and Cundo Bermúdez.

[3][9] Galban's work has been exhibited in several international cultural centers and art markets, including New York City, Miami, Tampa, Orlando, St. Petersburg, Coral Gables and Puerto Rico.

[9] Galban has exhibited alongside several internationally established artists including Clyde Butcher, Josignacio, Froilán Escobar [es], Adriano Nicot, and Jorge Dans, as well was collected by prominent collectors including artist Hortensia Gronlier, Froilán Escobar, former MLB coach Joe Maddon, philanthropist Rob Canton, and Antonio Permuy.

[2] In 2022 Galban was the featured artist of the International Ballet Festival of Miami, which included a solo exhibition of his work, titled Visages de L’art,  in the Adrienne Arsht Center as well as the commission to design the events poster for that year.

Depicting Cuban national hero José Martí, the piece was selected in 2023 to be converted into a public art mural in the Clearwater Main Library.

A significant collaboration in Galban's career has been his work with the award-winning Latin American author and painter Froilán Escobar, which have ranged from the visual arts and into published literature.

[22][23][24][19][25] In 2024, Galban initiated and co-curated the Flora & Fauna exhibition, held in The Gallery at Creative Pinellas, the former site of the Gulf Coast Museum of Art.

The exhibition was co-curated by Tarin Mohajeri and established a high profile with the inclusion of several prominent and internationally-established artists such as Josignacio, Adriano Nicot, and Jorge Dans.

[9] He frequently works in series, and his ongoing series’ include: Personas, Lucias, Les Fleurs du Mal, Gaudi y yo, Jardines Invisibles (with Froilan Escobar), El bufón, Eva y Mariela, Caracol Erotico, Mi Divina Comedia, Cancionero, Cuba se va, Seavolve, El Monte, Los Feos, Desojando Margaritas, Locuras, 4 Estaciones en Bicicleta, Sábanas Blancas, Club 27, Miseria y Propaganda, and Illusion of Distortion.

[5] Galban's work has been critiqued by several art critics including Raysa White, Antonio Permuy, Armando de Armas, and Osiris Gaona.