Mark Tigchelaar is a neuropsychologist, bestselling author and highly sought-after speaker. He has written six books on the brain, focus and vitality, translated into multiple languages. With over 20 years of experience, he delivers keynotes and talks for organisations across the globe that want to invest in mental clarity and sustainable focus.

Mark makes complex brain science accessible and translates it into concrete tools for the workplace. His sessions are clear, dynamic and immediately applicable. He helps employees manage distractions, strengthen concentration and use their energy more effectively.