Our Scientific Advisors

Working together with leading experts in Gynaecology and Obstetrics enables us to perform high-quality research in the fields of contraception and fertility.

Prof. Kristina Gemzell Danielsson

Professor in Obstetrics and Gynaecology at Karolinska Institute and senior consultant Karolinska University Hospital.

Having co-authored more than 250 publications, Prof. Danielsson is one of the world’s leading scientists in reproductive health and contraception. As the president of the European Society of Contraception and Reproductive Healthcare (ESC) and a member of the Scientific and Technical Advisory Group (STAG) of RHR at the WHO she has contributed hugely to our research. Her vision is a world where every woman has complete freedom regarding the decisions she makes about her own body.

Dr. Med Helena Kopp Kallner

Senior Consultant in Obstetrics and Gynaecology at Danderyd Hospital and researcher at Karolinska Institute

Dr. Kopp Kallner is secretary of the Board of the Swedish Society of Obstetricians and Gynecologists and secretary of its Working Group on Family Planning. As a member of the Advisory Board of Natural Cycles, she designs and performs new research around fertility monitoring, contraception and mHealth. Her mission is to improve women’s health and to empower women to take charge of their own fertility.

Dr. Med Jan Holte

Gynaecologist and part owner of Carl von Linné IVF clinic in Sweden and Livet IVF clinic in Torino, Italy.

He has over 30 years of experience in the field of reproductive health and fertility with focus on PCO and IVF. He co-authored more than 50 publications and his research contributed significantly in increasing IVF success rates. With Natural Cycles, he investigates our large dataset to gain insights on women’s fertility with the goal to reduce time to pregnancy. His vision is for every couple to achieve their wish of having a child.

Prof. James Trussell

Charles and Marie Robertson Professor of Public and International Affairs, Emeritus. Professor of Economics and Public Affairs, Emeritus, Princeton University. Honorary Fellow, University of Edinburgh.

James Trussell is the author or co-author of more than 350 scientific publications, primarily in the areas of reproductive health and demographic methodology. He is also one of the researchers behind our latest study. He says “This is the first study to provide typical- and perfect-use estimates of effectiveness of an app and shows the app is effective.”