Leadership is human.
So is my work.

I design and deliver leadership programs, coach leaders and teams, teach and speak, guide people on the path of self-mastery, and help shape cultures that shape business.

Whatever the format, I always start with your strategy or challenge, and we shape the journey together. My work is unapologetically humanistic, grounded in research, experience, curiosity, and built on trust.

Leadership doesn’t start with action. It starts with awareness.

Be. Ask. See. Think. The four verbs that come before doing, creating speed and effectiveness.

Aad JCM van Vliet

What I do

Leadership Programs

Co-created leadership programs that build real capability.

Tailor-made programs for senior and emerging leaders, grounded in research and real-world experience. Always designed around your business challenges, from focused sessions to longer leadership journeys.

Shape Culture to Shape Business

Culture is not soft. It shapes how work gets done.

Culture shows up in what people do, say, and decide every day, especially when organizations operate across countries. I help organizations turn culture into a real business advantage by aligning strategy, behaviours, and daily routines.

When teams work across countries, cultural differences can either slow execution or strengthen collaboration, depending on how deliberately they are addressed.

Coaching

Coaching for High Performance

Focused, practical coaching that builds clarity, helps leaders recognise and use their strengths, and addresses what limits results. Coaching is highly effective online, works equally well fact to face, and can offer additional value when combined. Online delivery makes it possible to work with leaders around the globe.

Self-Mastery

Self-mastery is the foundation of leadership.

It is about how you manage your energy, attention, and reactions, especially under pressure. Self-mastery builds the clarity, presence, and steadiness leaders need to make better decisions and lead others well.

Teach & Speak

Turning insight into action.

Talks and classes that help people think differently about what it takes to lead, yourself, others, teams, and change, in a world that keeps evolving.

Each session is designed to spark reflection, create insight, and move people to act.

Why I Do This Work

My purpose is to inspire and help leaders, teams, and organizations to learn, grow and thrive in our fast changing world, guided by curiosity, deep global experience and insights grounded in the latest research. Great leaders and teachers have guided me on my journey, now it’s my turn to help others.

Across my five services, coaching, designing and delivering leadership development programs, teaching, self-mastery and shaping cultures, the aim is always to help people learn faster, lead better, grow stronger together and be happier.

My Approach

Everything I do is designed to make learning happen, grounded in the reality of my clients and focused on results.

The evidence is clear: when people lead in a human way, and work and learn together, they do their best work. My work combines the latest insights from leadership research, neuroscience, and psychology with hands-on deep global experience and is always human and practical. That blend allows me to make accelerated learning happen.

How I work is simple: through transparency, trust, and focus on what truly matters. Every project is a partnership, starting from the client’s reality and aimed at creating real movement and lasting growth.

Be. Ask. See. Think. Do. Learn.

What can happen when we work together?

About Me

I’ve spent my career helping leaders, teams, and organizations grow, combining science, experience, curiosity and a strong belief in people.

Before founding Avvartes, I served on senior executive boards, built businesses and led major international transformations, always with a focus on making people and culture a true competitive advantage. I also led global HR teams of up to 230 colleagues, who were supporting around 12,000 employees in blue-chip companies across industries and markets.

Today, I work with clients in 15 industries across Europe and beyond, helping them strengthen leadership, culture, and performance in ways that last.

Aad JCM van Vliet

Work With Me

If what you’ve read resonates, let’s start a conversation.

Most of my work begins with a talk, about your goals, your context, and what you want to achieve. From there, we explore whether and how I can add value. I only take on work where my knowledge, experience, and style can truly make a difference, and where there’s trust and a shared commitment to meaningful progress.

Let's talk.