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The people behind Think BIG

BIG story


The ultimate combination of an experienced Holistic Coach and a madly driven Entrepreneur is the base ingredient for unlimited BIG Success! This strong collaboration is like a perfectly balanced Yin-Yang and can’t be denied. A joined force of female & male powers with a clear aim;

Lifting mankind, revealing one’s true potency and turning dreams into Goals!

Nadine Witteman

Founder & Holistic Coach/Trainer

Came by adoption to the Netherlands. Although she grew up in a small village, by the age of ten, she knew there is something bigger out there. Her BIG dream ever since, has been about traveling the world and making it a better place. For more than seven years she has been living in Italy, Uganda and Switzerland while working as volunteer, therapist and coach.

Since eight years, she runs a successful Holistic Practice in the South of Amsterdam where she guides and empowers clients from all corners of the world.

Her goal and vision? Master your mind and become the best version of yourself!

Nadine is a certified and well trained Mindfulness & Transformation coach & trainer. She offers a variety of brain training classes on a weekly base. Beside it, she’s a successful author and illustrator of a book for children and adults. On top, she is a columnist for an Amsterdam Lifestyle magazine.

Her approach: Neuroscience combined with Holism; Inspiring, Motivating, Clear and Creative. No chit chat, straight to the core fits her best.

Raoul Milhado

Founder & Motivational Speaker

Raoul believes, integrates and grows every day. For him nothing is impossible; he’s specialized in visualization techniques and known for his unbridled energy. The combination of the two is bringing him – and the people surround him – everywhere he wants to go or to be.

He was born in the Netherlands and in his early twenties he travelled the world to live in Australia & The Philippines. He loves to interact with all kinds of cultural backgrounds which he sees as an enrichment of Life.

He’s a born entrepreneur and has been running his own companies for more than 6 years now. He’s currently involved in a mobile app-technology company, a 2.0 boat rental platform and in addition Raoul is motivational speaker. He travels around the world to inspire people to talk about his journey, his experiences and to share his built up knowledge how to turn your dreams into goals.

His approach is straight forward, inspiring and innovative. Thinking in unlimited solutions fits him like a glove.

Thijs Verhoeven

Thijs is an ambitious serial entrepreneur and an expert on anything online. He is the founder of WP Masters and WP Handleiding, the only Dutch WordPress guideline aimed at self-serving consumers in The Netherlands.

His aim is to share as much knowledge as possible with other WordPress experts and users. But WordPress is only a small part of his ever-expanding grip on the World Wide Web, and Thijs is swiftly gaining international acknowledgement for his online brands and his mobile expertise.

With over 10 years of field experience, Thijs is an excellent addition to our team. He uses modern online techniques and cutting-edge marketing strategies to make yoga, mindfulness, training and coaching more available to everyone, everywhere.

His approach is motivating and innovative. A trustworthy personality with a can-do attitude.

Think BIG is a platform which provides exclusive knowledge, unique technology and fascinating spirituality tools for individuals and organizations in order to reach everyone’s highest potential.