Dr Sylvia Loehken is a highly in-demand coach and speaker who specialises in how introverts and extroverts can work together. She is herself an introvert who was originally been a rather fearful public speaker, but in 2012 she was named 'Speaker of the Year' in Germany. She has a PhD in linguistics and communication, and is a qualified coach. She works with many of Europe's leading companies and institutions such as Berlin Regional Bank, Vienna University of Economics and Business, and University of Hamburg.