Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I’m Juan Prieto. I’m a multilingual linguist and project manager with hands-on experience in translation, localization, data annotation, and AI model evaluation. I excel at guiding projects through all phases, collaborating across teams, and ensuring accuracy and quality with linguistic and analytical rigor. Beyond translation, I specialize in audio and text annotation, LLM evaluation, and voice work. I thrive in fast-paced environments, meet tight deadlines, and bring creative and strategic thinking to branding, content, and marketing initiatives.…Hi, I’m Juan Prieto. I’m a multilingual linguist and project manager with hands-on experience in translation, localization, data annotation, and AI model evaluation. I excel at guiding projects through all phases, collaborating across teams, and ensuring accuracy and quality with linguistic and analytical rigor. Beyond translation, I specialize in audio and text annotation, LLM evaluation, and voice work. I thrive in fast-paced environments, meet tight deadlines, and bring creative and strategic thinking to branding, content, and marketing initiatives.

Juan Prieto

Musician, Music Producer, Voiceover Artist, +2





Hi, I’m Juan Prieto. I’m a multilingual linguist and project manager with hands-on experience in translation, localization, data annotation, and AI model evaluation. I excel at guiding projects through all phases, collaborating across teams, and ensuring accuracy and quality with linguistic and analytical rigor. Beyond translation, I specialize in audio and text annotation, LLM evaluation, and voice work. I thrive in fast-paced environments, meet tight deadlines, and bring creative and strategic thinking to branding, content, and marketing initiatives.…Hi, I’m Juan Prieto. I’m a multilingual linguist and project manager with hands-on experience in translation, localization, data annotation, and AI model evaluation. I excel at guiding projects through all phases, collaborating across teams, and ensuring accuracy and quality with linguistic and analytical rigor. Beyond translation, I specialize in audio and text annotation, LLM evaluation, and voice work. I thrive in fast-paced environments, meet tight deadlines, and bring creative and strategic thinking to branding, content, and marketing initiatives.

Available to hire

Hi, I’m Juan Prieto. I’m a multilingual linguist and project manager with hands-on experience in translation, localization, data annotation, and AI model evaluation. I excel at guiding projects through all phases, collaborating across teams, and ensuring accuracy and quality with linguistic and analytical rigor.

Beyond translation, I specialize in audio and text annotation, LLM evaluation, and voice work. I thrive in fast-paced environments, meet tight deadlines, and bring creative and strategic thinking to branding, content, and marketing initiatives.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

DaVinci Resolve Studio

Beginner

Language

Spanish; Castilian

Fluent

English

Fluent

Portuguese

Intermediate

Work Experience

Audio Data Annotation & Evaluation Specialist at Outlier AI

January 1, 2025 - November 4, 2025

Annotated and evaluated audio data to support LLM development, ensuring accuracy and quality in speech recognition and transcription tasks. Used English skills to moderate audio content and ensure consistency. Collaborated with cross-functional teams to refine data annotation guidelines and provide feedback on model performance related to audio tasks.

Creative Strategist at Anymal

July 1, 2025 - November 4, 2025

Monthly consult with emerging and established artists to evaluate goals, career stage, and marketing needs. Conducted A/B testing and optimized thumbnails, titles, and content sequencing for better watch-through rates on video campaigns. Design customized brand-building roadmaps that encompass artist persona, distribution plan, content pillars, and release campaigns.

Audio/Image Model Trainer at Mercor

July 1, 2025 - November 4, 2025

Conducted detailed annotation and quality assessment of audio and image data to support AI/ML model development and performance evaluation. Utilized strong English language skills for accurate labeling, content moderation, and verification of audio transcripts and image descriptions. Worked with teams to improve annotation guidelines and model training.

Founder and Content Manager at YouTube Channel

January 1, 2025 - January 1, 2025

Created and managed a music channel, developing branding strategies and audiovisual content production. Recorded voice narrations for presentations, narrations, and musical promotions, applying various modulations and emotional expressions while maintaining standard accent and natural pronunciation. Managed the community and analyzed metrics to optimize content interaction and quality.

Translation Evaluator (Portuguese (Brazil) - Spanish) and Translator (Spanish English [USA]) at One Forma

April 1, 2025 - April 1, 2025

Evaluated translations and performed linguistic data evaluation, preserving tone and emotion of the original content to improve AI model performance.

Artist, Executive Producer & Brand Manager at Richie & Jeito Music Duo

January 1, 2022 - January 1, 2022

Coordinated the production of visual and audio content, participating in the creation and recording of musical and narrative pieces. Recorded the vocals for songs that I edited and also performed, demonstrating my versatility and ability to convey emotions through audio. Developed communication strategies that required effective voice management to transmit emotions and impactful messages.

Freelance Digital Marketing Services at Digital Marketing Freelance Services

January 1, 2024 - January 1, 2024

Provided copywriting, social media strategy, marketing planning, design services, and growth marketing for small businesses in the U.S.