Coaching & Consulting
Public Speaking
(Stage & On-Camera) – in German & English
For leaders and high-level communicators who want to master their presence—on stage, on screen, or in the boardroom. Hone your authenticity, presence, and memorability with incisive coaching that gives your communication the final polish it needs to land with impact and stay unforgettable.
“Like a caterpillar becoming a butterfly, unlocking full potential in public speaking means shedding what holds you back from showing up as your full authentic self. That’s when your message will truly land and leave a lasting mark.”
- Sandra Bertalanffy, Founder Crack the Cocoon®
The Crack the Cocoon® Public Speaking Framework
This unique coaching process is held up by The Three Wings of Impactful Speaking, ensuring purposeful messaging, authentic delivery, and lasting presence. Each pillar is designed to elevate your communication, ensuring that your message doesn’t just land—but resonates deeply and lasts long after you have left the spotlight.
1 | PURPOSE
STRUCTURE
STORYTELLING
Clarify your core message, organize your content for maximum clarity, and craft a narrative that captures attention and drives your point home with compelling storytelling.
2 | PERSONALITY
AUTHENTICITY
CONFIDENCE
Own your unique voice, speak with conviction, and build trust naturally. Discover what sets you apart from others—so your presence feels grounded, confident, and unmistakably authentic, no matter the setting.
3 | PRESENCE
STAGING
DELIVERY
The final layer: how you show up.
From voice and body to energy, spatial presence, and poise—your delivery becomes unforgettable, not by chance but by design.
Your Coach: Sandra Bertalanffy
Master in Business · Certified Coach · Award-Winning Actor
Sandra Bertalanffy (Dipl.-Kffr., ACC) brings together the clarity of business strategy, coaching expertise, and the presence of a seasoned performer. With a Master’s in Business and experience in strategic consulting, she understands how leaders think—and how to help them communicate with power and precision. As an award-winning actor, she’s performed Off-Broadway in New York City, starred on screen opposite Mark Dacascos (John Wick 3), and interviewed icons like the Russo Brothers (directors of MARVEL films) for Variety Magazine.
Her coaching bridges corporate precision with creative depth—guiding leaders to own the room, the camera, or the stage with authenticity and presence.
Your Key Benefits
Through this unique coaching process, you’ll develop the core skills to ensure your message stands out and has a lasting impact:
✔️ Precise Messaging – Craft clear, compelling messages that resonate.
✔️ Clear Structure – Organize your ideas for maximum clarity and persuasion.
✔️ Engaging Storytelling – Use storytelling techniques to captivate your audience.
✔️ Authentic Delivery – Speak with ease and authenticity, no matter the setting.
✔️ Grounded Confidence – Overcome nerves and project assuredness
✔️ Captivating Presence – Command attention with your voice, body language, and energy.
✔️ Lasting Impact – Deliver a message that stays with your audience long after you've left the stage.
Let’s get to work!
Johann Ahl de Oliveira – Latin Grammy-Nominated Musician & Director of Education, Ataraxia, Germany
“Thanks to Sandra’s guidance, I delivered what I consider to be the most important talk of my career—calm, focused, and with a presence that truly resonated. People approached me afterwards telling me that I had deeply moved them.
The simple yet incredibly powerful tools Sandra shared proved to be highly effective techniques that immediately elevated my confidence and changed the way I carried myself on stage.
Her expertise goes far beyond body language and stage presence. She helped shape the narrative arc of my talk with precision and artistic finesse, bringing out the core message with clarity and emotional resonance. Her feedback on content, visual storytelling, and even branding was spot on—relevant, intelligent, and creatively sharp.
Whether it's voice, posture, energy, structure, or expression—Sandra brings it all to an exceptional standard. Her coaching isn’t just training; it’s transformation.”
Ready to take your next talk from great to unforgettable?
This coaching surely isn’t about playing with the basics of public speaking—it’s about perfecting the nuances of your communication so that your message lands with precision, your delivery feels effortless, and your presence commands attention long after you’ve left the stage.