Dr Nathan Ryder loves interesting challenges and helping PGRs on their PhD journey. He's an independent researcher-developer with over fifteen years of experience helping PhD candidates prepare for the viva. He has delivered over 500 viva preparation workshops to more than 10,000 candidates all over the UK. He writes and shares the Viva Survivors daily blog, and has done so since April 2017: daily thoughts, advice, ideas and practical tips for the viva.