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Guillermo Cesar
@guillermo_cesar
AI Powered Creative Specialist UGC, Video Ads and Digital Avatars
Argentina
Spanish, English, Portuguese
About me
I create UGC videos and synthetic/clone avatars for education, campaigns, and advertising. I help brands, agencies, and creators boost CTR, lower CPA, and test multiple variations without increasing costs. Expert in HeyGen, Synthesia, ElevenLabs. Fast, scalable production with realistic, high-impact content that converts.
What I Offer:
UGC-style video ads (15–45s) for Meta, TikTok, YouTube.
AI avatar videos for landing pages, courses, and onboarding.
Scriptwriting + editing packs (5–20 variations) ready for A/B testing.
Creative concepts, hooks, and brand-aligned messaging.
Skills
Guillermo Cesar
Offline •
Average response time: 1 hour
See my services
Spokespersons Videos
I will create your realistic ai clone twin avatar video
AI Avatar Design
I will create a consistent ai model identity for scalable content
Portfolio
Work experience
Creative AI Director
Genkai.studio • Freelance
Jun 2025 - Present • 11 mos
AI Creative Director focused on scaling creativity with measurable business impact. I design and lead AI-powered creative systems where technology amplifies human judgment, speed, and experimentation — not replaces craft. I work at the intersection of creative strategy, performance marketing, and production, building scalable engines for: High-velocity content creation Structured creative testing & experimentation Performance-driven storytelling AI-assisted production pipelines My edge is system design, not tool chasing: creative frameworks, AI workflows, prompt libraries, testing models, and production pipelines that turn ideas into repeatable, test-ready assets at scale. I partner closely with Growth, Marketing, UX, Product, and Production teams to connect data, behavior, and insights with high-impact creative execution across paid media, lifecycle, and digital experiences. Core AI & Creative Tools ChatGPT · Claude · Midjourney · Runway · Sora · Google Veo · ElevenLabs · Freepik Premiere Pro · After Effects · CapCut · Figma · No-code / low-code automation tools
3 Reviews
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1-3 out of 3 Reviews
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nicoleraye26
United States
Thank you for being so polite and professional. I am in need of our partnership and I appreciate your level of guidance.
Helpful?
ocramedllc
United States
Helpful?
mujerdeciertaed
Puerto Rico
Working with Gullermo was awesome. He is serious professional and supportive. will definetly work with him again.
$100-$200
Price
5 days
Duration
Helpful?
