Gonçalo S. Faria, PhD student in Biology, specialty Evolutionary Biology. • Thesis title: Integrating the theories of kin selection and sexual selection. • Institution: University of St Andrews, Scotland, UK. • FCT scholarship: SFRH/BD/109726/2015. • Viva: 15th August 2019. • Supervisor: Prof. Dr. Andy Gardner (University of St Andrews). • My role: co-supervisor.