Ulf was born on June 4, 1968. He resides in Stockholm, Sweden and Los Angeles, CA, USA. He is an MD, specialising in Neurosurgery, and has a PhD in Neuroscience from the Karolinska Institute (Sweden) and Brain Research Inst., UCLA (USA). He has had several articles published on neural repair, focusing on applied stem cell technology. He speaks Swedish, English, German, Spanish and Russian and his interests are stem cell biology, the central nervous system, biology, astrophysics, travel, poetry, diving, terrestrial orchids, puzzles, fishing, Egyptology, hominid evolution, geology, archaeology, the Paleozoic and Mesozoic eras.