Our People

Jyrki Penttinen, MD, PhD

Our leading scientist has been doing research on arginine for over 25 years. In addition to scientific research publications, he has written several best-selling popular science books on arginine and its health benefits.

Hannele Penttinen, MA

Our second author is an experienced pedagogist with sociological understanding. She specializes in making science easy to approach.

Sakari Penttinen, MSc, MA

Our head of productions is responsible of the arginine webinars and videos. Sakari has ten years of experience on Arginine lectures and webinars.

Marjukka Heinonen, MA

Our Language Solutions Manager is responsible for coordinating materials in different languages and translation processes. She also manages our communication and customer relations in Swedish, German and Italian.