Klaus-Dieter Beller, PhD, is an independent inventor with extensive experience in the respiratory field. He is a graduate of the Karlsruhe Institute of Technology (Germany) and the inventor of multiple novel inhalation devices with an emphasis on promoting simplicity, including the VALVEhaler, PERLAMED – BLISTair, Papillon and CLIPhaler. Dr Beller is currently seeking buyers for his latest inhalation device, CLIPhaler.