The relationship between humans and horses is as old as it is diverse. As early as 4000 years ago, humans started domesticizing these animals. Since then, they have been accompanying us in very different areas. They helped with agriculture, made it possible to master great distances in a shorter time and thus enabled the expansion of entire peoples. Wars were fought on horseback and land conquered. Only recently, the use of horses has changed. First horseback riding became a popular pastime, and then the value of horses in therapeutic work was discovered. Many “horse people” have long guessed or known that a conscious contact with horses can educate one’s own personality. For about ten years now, horses have also been present in management training, leadership coaching, and also personality development in general. People can benefit greatly from horses for dealing with everyday situations and challenges, because horses mirror their opposite’s behavior, pick up emotions and react accordingly. On the basis of these reactions, behavior and (subconscious) attitudes can be observed without judgement, which allows for the initiation of different developments. Nowadays, there are many coaches specializing in equine/aided personality development, addressing different target groups. This book contains a theoretical approach to the topic and also studies different providers with regard to their practices, in order to supply an overview of the topic and the possibilities.