He is also the Founder and CEO of Vantutumo, a growth-focused company specializing in scaling e-commerce brands within the beauty and cosmetics sector. At Vantutumo, he leads a performance-driven model based on a proven growth formula. Rather than operating as a traditional agency, the company positions itself as a Growth Partner, aligning its success directly with the measurable growth of the brands it supports. His strategic approach focuses on scaling online brands to seven figures within 90 days through structured acquisition systems and revenue optimization strategies.

Since October 2023, Sylvestre has been leading Vantutumo from Valencia, working in a hybrid environment and overseeing growth strategy, performance marketing frameworks, and scalable digital infrastructures for aesthetic and cosmetic brands.

In January 2025, he joined THERAS Zaire as Paid Media Specialist, where he is responsible for the strategic planning, execution, and optimization of paid media campaigns. His role centers on driving performance across digital platforms, scaling acquisition channels, and ensuring that paid strategies align with the brand’s positioning and long-term growth objectives.