Authentic and personal advertising messages are becoming increasingly important in the purchasing process. This quick guide explains concisely and directly how companies can successfully collaborate with influencers. Successful influencers have established themselves in social networks over the past few years as credible opinion leaders and brand ambassadors with high reach, relevance, and resonance. Their blogs, Instagram accounts, or YouTube channels have become attractive marketing tools for numerous industries. The author conveys the fundamentals of influencer marketing and outlines step by step what companies need to do to develop their individual influencer strategy: from identifying target audiences and channels to selecting the right influencers, as well as contract negotiations, campaign management, and monitoring.