Meet the visionaries behind Isabelle International

We’re a collective of creators, software engineers, strategists, and culture shifters - building brands that move the world.

Isabelle Noack

Founder, CEO & Chief Storyteller

Isabelle leads global marketing strategy for brands at moments of scale, transition, or expansion. With experience across Google, international media, and global campaigns reaching millions, she steps in as a fractional or interim marketing leader - aligning strategy, storytelling, and execution across markets. Isabelle is known for turning complexity into clarity and visibility into growth.

Joana Grace

Director of Growth & Digital Strategy

Joana leads digital growth systems across platforms, markets, and funnels. She oversees performance strategy, paid media, platform optimization, and scalable digital execution—ensuring that campaigns don’t just look good, but perform. Joana brings precision, speed, and structure to growth.

Andre Hester

Chief Operating Officer & Client Delivery

Andre oversees operations, delivery, and scale. He ensures projects run on time, teams are aligned, and clients experience clarity and momentum at every stage. With a background in systems thinking and execution, Andre turns strategy into repeatable, high-quality outcomes.

Felix Karsten

Director of Client Strategy & Partnerships

Felix leads client strategy, planning, and long-term partnerships. He works closely with founders and leadership teams to translate business goals into focused marketing priorities. Known for structure and calm leadership, Felix keeps strategy aligned with execution.

Mara Wiedey

Brand & Market Expansion Strategist

Mara supports brand positioning, messaging, and international market entry. Working across English, French, and German, she helps clients clarify their narrative, refine their pitch, and adapt strategy across cultures -ensuring resonance in new markets.

Suzan Ariz

Social & Community Growth Manager

Suzan leads social strategy and audience growth across platforms. She builds ecosystems that engage, convert, and scale - connecting brand storytelling with community and culture. From startups to creators, she focuses on sustainable, platform-native growth.