While at Harry Winston, Inc. Rare Timepieces Büsser realized that he derived his greatest pleasure and satisfaction when developing concept-style watches for the Opus series, which motivated him to create his own brand and focus on creating three-dimensional kinetic art that he calls "Horological Machines".
Büsser's goal for MB&F (for Maximilian Büsser and Friends) is for the company to remain small enough not to require a middle layer of management, which Büsser feels is detrimental to creativity.