This document is a welcome letter from instructors of the Lisbon Challenge Spring 2014 accelerator program. It discusses the 12-week program which will guide startups through exploring their market assumptions, building their organization, managing resources, designing processes, and developing sales skills. The program includes weekly themes, masterclasses, workshops, mentorship and networking opportunities to help make the startups investment-ready. It encourages the participating startups to fully commit to the program and work hard in order to get the most from the experience and resources available.