Demographic changes, a growing mobility of employees as well as changing values, needs and expectations trigger a so-called “war for talent” and indicate the need to shift from traditional recruiting approaches to more customer-oriented approaches. Permanent changes and developments result in elevated expectations on the part of companies which puts high demands on todays employees. Consequently, the following thesis aims at revealing new employees underlying feelings, expectations and initial fears. Since it proofed to be the least investigated, the focus here is on the phase prior to the first day of work and how newcomers experience the overall integration process. The fundamental question that is to be critically analyzed throughout the thesis is “What concerns do new employees have before their first day of work?” Referring to the initial question, 10 interviews with new employees who are about to start their first day at work or who are within their first week at a new company and position have been conducted. To increase the richness of information, employees from diverse industries, companies, positions and age groups have been interviewed. Overall, there has been a perceived uncertainty of newcomers before the first day of work and people commonly describe the pre-boarding phase as anxiety-generating and stressful. A lack of time devoted to newcomers as well as a lack of formal onboarding programs lead to increased insecurity and confusion among new hires. Uncertainty is also triggered by a lack of information, communication, sructure and orientation provided to newcomers. What is more, less attention is paid to social integration of newcomers. Insufficient company support as well as weak actions on relationship-building and bonding prevent newcomers from developing trust. Rather, it creates tensions, insecurities, fears and raises doubts by newcomers whether they took the right decision.