Olli Peltoniemi graduated as a veterinarian from the Faculty of Veterinary Medicine at the University of Helsinki in 1992. He then studied reproduction in swine at the University of Sydney, Australia (1993-4) leading to a Master of Veterinary Sciences degree in 1995. He completed the requirements as a National specialist in Production Animal Medicine in 1997 and was awarded a PhD in swine reproduction by the University of Helsinki in 1999. Olli became a Diplomate of the European College of Animal Reproduction in 2001 and the European College of Porcine Health Management in 2005. Olli joined the staff of the Faculty of Veterinary medicine in Helsinki in 1995 and has held various roles, mainly in clinical sciences and domestic animal reproduction, culminating in a Full Professorship in domestic animal reproduction in 2010. Olli has held various roles within the Faculty including the deputy head of the Production Animal medicine Department from 2007-9, chairing the research community from 2010-12, and has been the Vice-dean for research since 2010. He was appointed as a board member of TINE, the Research Council of the University of Helsinki in 2014.
His research interest include – reproductive biology in the pig, cattle and dogs, especially early embryonic development, parturition, environmental and management effects on parturition, castration issues, transcription profiling of the reproductive tissue, aromatase inhibition as a method of pregnancy prevention, reproduction – behavior, animal welfare, endocrine mechanisms of early lactation and colostrum production.