

3 Pathways to
Your Voice, as a Leader
Executive Voice & Presence Intensive
Individual 3h Session + Recovery Access at Mix Brussels
This intensive is designed for professionals and leaders who are preparing for a high-stakes moment — a presentation, keynote, pitch, interview, or public appearance — and want to ensure their authority is heard clearly and confidently.
It is also suited to those who want a focused, high-impact reset without committing to a longer coaching programme.
The work centres on one specific situation, while strengthening the underlying vocal and nervous-system patterns that influence all future speaking engagements.
This is not about last-minute performance tricks.
It is about stabilising your voice, presence, and authority under pressure.
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During this private intensive, you will:
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Learn how to project your voice with clarity and control
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Sound calm, confident, and professional — without forcing it
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Deliver your message with presence that feels natural and credible
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Maintain vocal clarity that keeps your audience engaged
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Refine your tone so it reflects your role and responsibility
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Regulate nerves and convert pressure into grounded authority
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Communicate your value clearly and convincingly
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What’s included:
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3-hour private coaching intensive at Mix Brussels
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Performance recovery access to the gym and spa following the session
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Voice feedback on recordings before and/or after the intensive (as agreed)
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30-minute follow-up Zoom session two weeks later
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Access to online learning materials to support integration
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This intensive is a proven, high-impact format that accelerates clarity, presence, and confidence — without overload.
Clients leave feeling prepared, regulated, and credible, with tools they continue to use long after the event.
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Investment: 650€ ​​​
This programme supports you in stabilising how your voice functions under pressure so that clarity, authority, and composure become reliable, not dependent on the situation.
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We work both with:
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the physical function of your voice
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and the nervous-system patterns that influence how you speak when responsibility is high
The result is communication that feels grounded, calm, and credible without performance or self-monitoring.
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Through this process, you will:
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Understand how your voice communicates authority
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Develop a stable, clear vocal presence that reflects your role
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Regulate emotional and physiological responses to pressure
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Speak with ease and precision in meetings, presentations, and formal settings
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Reduce vocal tension, over-effort, and self-correction
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Strengthen how your presence is perceived in professional environments
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Use your voice as a regulation tool, not just a communication tool
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This is not about becoming a "better speaker". It is about becoming consistently heard at the level you operate.​
What’s included:
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8 private 1-hour executive coaching sessions (in person in Brussels or online via Zoom)
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Ongoing email support throughout the programme
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Personalised feedback on voice recordings (submitted as needed between sessions)
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Access to structured online learning material supporting integration and practice
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Workbook for reflection and application
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​Sessions are scheduled according to your availability, typically every two weeks, allowing time for integration between sessions.
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Programme Investment: 1550€
Payment Plans Available
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This programme is for professionals who want their voice to become a reliable instrument of leadership presence rather than something that changes with pressure, visibility, or responsibility
Executive Voice & Presence Leadership Package — 4 Individual Sessions + Intensive Day
This programme is designed for leaders and senior professionals who want their authority to be heard clearly and consistently in every high-responsibility situation.
Not louder.
Not more expressive.
More stable, more precise, more credible.
It is for those who are ready to ensure that how they speak reflects the level at which they already operate.
This work is not about overcoming fear or becoming more confident.
It is about stabilising your voice and presence so that clarity, authority, and composure are reliable — even under pressure.
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Through this programme, you will:
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Stabilise your voice as a tool of leadership authority
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Communicate with calm clarity in meetings, presentations, and public settings
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Reduce nervous-system driven tension that affects how you are heard
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Strengthen your professional presence without performance or over-effort
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Speak with consistency, credibility, and composure
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Align how you sound with the responsibility you carry
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Use your voice as a regulation instrument, not just a communication tool
This is about becoming more inspiring while also unmistakably credible.
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What's included:
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4 private 1,5hour executive coaching sessions
(online or in person in Brussels) -
1 Executive Voice & Presence Intensive Day
A focused, private coaching day including:-
deep voice and presence work
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nervous-system regulation
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integration through movement and recovery
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performance recovery access to the gym and spa at Mix Brussels
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Personalised voice feedback on recordings you submit
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Ongoing email support throughout the programme
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Access to structured online learning materials
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Tailor-made audio and video guidance to accelerate integration
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Programme Investment: 2000€
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​A premium coaching experience that transforms your voice into a stable, powerful instrument of leadership. So your authority is not just present, but heard when it matters most.
CLIENT WINS
Sanziana, Director Regulatory Affairs:
“The effect of public speaking coaching with Sonja is like being equipped with a magic toolbox with instruments that you can pick and choose to help you finding the pleasure in successfully addressing wide audiences! Sonja tactfully guides towards the discovery of unexpected connections with one’s own voice and unfolding any internal obstacles standing in the way of enjoyable communication”
Christoph, Head of Unit at EC:
“With an authentic, responsive and tailored approach, Sonja gave my voice more strength to be heard. Inspirational and impactful. Thank you, Sonja!"
Sylvie, Competition Lawyer:
“Thank you Sonja for everything!
I will remember for very long what you have taught me !!! :-)
I did not realize the coaching would go further than voice coaching only, which in the end helped me to reach my goals by taking into account the bigger picture. I have also learned a lot about self-branding which I did not realize would be offered as well."
Sanne, Photographer:
"Sonja helped me find my confidence to speak on stage and gave me ways to make my presentation logical and clear.
She guided me through all my struggles with ease. Definitely recommend working with her!"
Liene, Interpreter at EU:
“I sincerely recommend Sonja's coaching to anyone struggling with some aspect of their voice. She is a very smart lady who knows how to get to the bottom of your problem, no matter how intricate it is. I came to her convinced that I had some strange glitch related to my voice, but through our sessions she helped me to understand the variety of psychological, confidence-related and personal layers that affect me when I have to speak under stress and pressure. This was very insightful and transformative and helped me immensely to learn to use my voice in a more confident and calm manner. On a more personal note, it was also a very interesting journey to get to know myself better as a person. Thank you, Sonja! :)
Fille, Photographer:
“I would recommend Sonja to anyone in their preparation for public speaking!
Sonja actively helped me in the preparation of my first ever big talk in front of a big audience. Despite my procrastination and last-minute changes she always stayed positive and patient, and flexible, and she did whatever do comfort me. I would come back for sure in the future if I ever have another big talk coming up.
Delphine, Coach and Entrepreneur:
“I have had the pleasure to be coached by Sonja. She has her unique touch of making you feel good about yourself. She sees the voice as an authenticity vector. Thanks to her coaching I found my inner voice, I could free some brakes tied to some previous experiences.
She is fun to work with and is an amazing person."
Katy, Communications Manager:
"Sonja is not just coaching voices, she sees and feels the person behind and her needs. She knows how to boost your
confidence in yourself and your
public speaking abilities!"
Christian, Policy Officer:
"In the framework of my job (politics/international affairs) I have to deliver presentations time and again. After several individual lessons on voice issues and presentation techniques, I can only recommend working with Sonja. She addressed all the numerous questions that came up during our meetings and gave me lots of hints for better using my voice."
Sarah, Writer and Life Coach
“Sonja is such an incredible, kind and intelligent coach! I had so many aha moments and I walked away delighted and excited at the calmness she inspired in me towards showing up fully. Sonja will facilitate a confidence transformation that is not only deep but thorough allowing you to truly root yourself in who you are!.”
Sara, Coach and Entrepreneur:
Sonja is a kind and compassionate coach with great empathy and her warmth and positivity helped me calm down and focus on the practical aspect of my talk.
We restructured the content of my talk in a way that was more intentional and result oriented. She gave me tips that helped me show up at my best with authenticity and confidence.
Working with Sonja was a pleasure and great experience and I can totally recommend her to everyone.She is an excellent coach.Thanks Sonja!
MY APPROACH

LET YOUR VOICE REFLECT THE BEST VERSION OF YOU
Showing up authentically and owning who you really are is a liberating process, that will set all kinds of positive changes in your life in motion. But first and foremost it will make you speak with confidence, engage your audience and put you back in the driver's seat of your own voice - minus the drama!
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Through my coaching sessions I guide you to let the best version of you be reflected in your voice, so you can:
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speak with confidence
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engage your audience naturally
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let your expertise be reflected in the way you speak
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establish yourself as an expert and overcome imposter syndrome
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use your authentic voice
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We will draw from 3 key areas, that have proven to be the most efficient path to take you from "I'm definitely not going to speak at this event" to "Of course, I'll speak! Sign me up!".
How much we dive into each key area depends on where you want to focus in our coaching.
YOUR VOICE IS AN INTEGRAL PART OF YOU
The way you share it with your audience determines whether you are being perceived as authentic, trustworthy, knowledgeable and inspiring. In short whether your voice brings someone value or not.
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Since our way of communicating is so deeply entwined with who we are as a person and the experiences we have had with sharing our voice, we can put a lot of pressure on ourselves to show up perfectly. As a result what happens is that we share our voice inauthentically and artificially even when our aim is show up naturally, authentically and with confidence.
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This creates a dilemma: showing up authentically and convincingly while trying to hide our nerves and insecurities.
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Through my years of coaching incredibly gifted clients, I have created a coaching process that is extremely efficient, because it takes into account your voice as well as the way you use it in the context of your work. ​

THE 3 KEY AREAS OF FOCUS
VOICE EXPLORATION
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Leverage your breathing
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Develop strength and tone
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Feel in control of the sound
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Manage your energy
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Convey confidence
MINDSET
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Show your strengths
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Have a clear goal
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Master negative inner dialogue
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Let go of your limiting beliefs
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Be your own biggest supporter
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Handle nerves like a pro
CREATIVITY
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Explore different ways of communicating
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Integrate your creative self
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Leverage what inspires you
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Infuse your voice with joy
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Take up space
