Our experts

 Jouni Pitkäranta, M.Sc. (Architect) Helsinki University of Technology 2006

Jouni Pitkäranta graduated from the University of Technology in Helsinki in 2006. Even before that He has run his own barn design and architecture office Cowhomes. Jouni Pitkäranta has born and lived his childhood on a dairy farm and did his first barn design, which was built, at 15 years age in 1987.

Jouni Pitkäranta is specialized to dairy, youngstock, and calf barn design especially focused to robotic milking barn design. Jouni Pitkäranta has designed about 700 dairy barns in total mostly in Finland, but also in Sweden, Estonia, Russia, Lithuania, Holland and Germany.

Has got training from the University of Wisconsin (USA) about calf housing and calf barn ventilation in 2013, Licensed calf barn overpressure tube ventilation adviser.

  Virpi Kurkela, DMV

Virpi Kurkela graduated from Faculty of Veterinary Medicine in Helsinki University in 1999. Since then she has worked as a practising veterinarian mostly in large animal practice and as a herd health veterinarian. Virpi has done a lot of presentations for farmers, advisors, and veterinarians about bovine health and welfare. She also does specialize consulting for robotic farms as a member of ProAgria’s Herd Navigator advisory team.

In 2013 she got a special training from the University of Wisconsin (USA) about calf housing and calf barn ventilation and is a licensed calf barn overpressure tube ventilation adviser.

In 4dBarn her work designing and boosting barns with AMS milking focuses on ensuring excellent animal health and welfare for good production and efficient working.

Virpi’s professional interest is focused on the health and welfare of dairy cows in robotic milking and herd health management in dairy farms. She has a lot of postgraduate education and experience especially in udder health management and influence of the barn environment and design on health and production of dairy cows, calves and heifers.


 Marjo Posio, M.Sc.(agriculture), animal nutrition (University of Helsinki)

Has lived her childhood on a dairy farm.
- 2009–2011 Farm manager in a beef calf barn for 850 beef calves in Kuivaniemi, Finland
- 2011–2013 Project manager in Milk management –development project, ProAgria Oulu
- 2013– Dairy farm -adviser (specialized to nutrition and production monitoring, SOP – working rules in a dairy barn, udder health and fertility control) ProAgria Oulu

Has developed and worked together with Jouni Pitkäranta in an international robot barn labour efficiency project monitoring robot barn performance in numerous barns in Finland, Sweden, Denmark, Holland, and the United States.

Has got training from University of Wisconsin (USA) about calf housing and calf barn ventilation in 2013, Licenced calf barn overpressure tube ventilation adviser.

Virpi Huotari, M.Sc.(agriculture) (University of Helsinki)  

Virpi is an experienced Chief Executive officer (CEO) with a demonstrated history of working in the food production industry and consulting. Strong business development professional is skilled in coaching, entrepreneurship, business development, and strategy.

She has worked for 14 years as a development and service manager in the advisory centre. Her responsibilities included managing advisory services to the dairy farms, leading team of advisors (10 - 45 persons), developing new services for the large dairy farms.

"4th D in our company name means the fourth dimension, which is human - a manager or an employee. My Specialities are leadership in the farm and LEAN, human resources and coaching managers and employees."




Jouni Pitkäranta, +358 400 166 058

Virpi Huotari, +358 400 786 933

Virpi Kurkela, + 358 40 519 2283