Blas Díaz Figueroa, professionally known as Blas "Sien" Díaz in the film and television industry, and widely recognized in music as Sien el Moviemaker, was born in 1977 in San Juan, Puerto Rico. A multifaceted creative force, Blas has built a career that bridges film, television, and music-carving out a reputation for originality, grit, and authenticity.

Film & Television

As an actor and industry contributor, Blas is a proud member of SAG-AFTRA, where he has also served on the nominating committee, evaluating performances and projects at the highest level. His eye for storytelling and his dedication to the craft have earned him respect among peers, blending professionalism with a strong sense of humility.

Blas has also channeled his passion into visual creativity, designing posters, treatments, and conceptual art that pay tribute to iconic films such as Jaws, Predator, and cult classics of the '80s and '90s. His cinematic voice reflects not only a love of the medium but also a determination to contribute original visions that merge nostalgia with modern storytelling.

Music

In music, Blas is best known as Sien el Moviemaker, a name that highlights his dual identity as both creator and visionary. He has collaborated with notable artists, including a feature with Fat Joe on the special edition of Sangre Nueva with the track "Vamos a Sacarla." His catalog extends across collaborations and solo works, including tracks like Perro Loco (with Charlie Way) and others that showcase his street-sharp lyricism, creative metaphors, and powerful delivery.

Music for Blas is not just performance-it's storytelling, deeply tied to his Puerto Rican roots, urban culture, and a commitment to authenticity. His lyrics often balance raw street imagery with clever wordplay and personal philosophy, standing out in a genre where originality is everything.

Brand & Identity

Under the BSD Legacy banner, Blas continues to merge all aspects of his creative identity: acting, music, art, and design. Known for his distinctive hashtags like #Blassiendiaz and #Sienelmoviemaker, his social presence highlights his unique ability to move seamlessly between industries while staying true to himself.

His style blends humility and power: never boastful, but always impactful. Whether designing film art, dropping verses, or stepping into a role, Blas Díaz embodies the spirit of a modern Puerto Rican creator whose work resonates across multiple platforms.

Personal

Beyond the spotlight, Blas is deeply grounded in family, community, and a love of animals, often reflecting these values in his projects. His creative journey represents not just career milestones but a lifelong pursuit of art, culture, and legacy.

Upgrade membership to get access to client roster details.

Upgrade to see how you're connected to other professionals through your credits.

Upgrade membership to unlock contact and representation information.

Upgrade membership to unlock box office data.

Upgrade membership to add and manage your images.

Select your profession and Known For titles

Access full contact and representation details

Find the right people with Discover advanced search

View contact info and get hired with IMDbPro

Add your primary image and get discovered

Find contact info for agents and management

View connections to industry professionals

See who's working on in-development titles

Upgrade your membership to view client lists.

Upgrade membership to access historical STARmeter charts for yourself and other professionals.

Get insights on who this person is frequently credited with.

Upgrade membership to add and manage demo reels.

David Zayas and Blas Sien Diaz in Force of Nature (2020)

Mel Gibson, Kate Bosworth, Emile Hirsch, and David Zayas in Force of Nature (2020)

Blas Sien Diaz

Blas Sien Diaz

Known for

Credits summary

Verified affiliations

Photos67

Videos4

STARmeter

Contacts