Ülo Langel is Professor Emeritus at the Department of Biochemistry and Biophysics, Stockholm University, and at the Institute of Technology, University of Tartu. His professional experience includes a career at the University of Tartu, Tartu, Estonia (from Junior Research Fellow to Associate Professor, Visiting Professor and Professor, 1974-present); The Scripps Research Institute, La Jolla, CA, USA (Associate Professor and Adjunct Professor, 2000-present); and Stockholm University, Stockholm, Sweden (from Research Fellow to Associate Professor, Professor and Chairman, 1987-present). He is an Honorary Professor at the University of Ljubljana, Ljubljana, Slovenia. He was Chairman of the Board of small companies Cepep (Sweden) and Pepfex (Sweden) and a member of the Board of Orexo (Sweden). In 2013, he was elected a member of the Academia Europaea and, in 2015, a foreign member of the Estonian Academy of Sciences. He has been awarded the Order of the White Star, 4th class, by the Republic of Estonia. He has been an invited lecturer at numerous international conferences and is a co-author of more than 490 scientific articles and 20 approved or pending patents. His research interest is in neurochemistry of neuropeptide receptors and in drug delivery by cell-penetrating peptides.