Our Scientific Team

In cooperation with experts and scientists, we are constantly working on high quality research and innovation to get new results around your fertility.

Dr. Niels van de Roemer
Dr. Niels van de Roemer
Medical Director

After studying biology in Mainz, Niels focused his doctoral thesis on individualized tumor immunology. He is the liaison between the customer and external experts, such as gynecologists and fertility experts who advise us as we continue our focus on furthering the development of femtech. He is responsible for inquiries, analyses, and consulting. One of his main objectives is to gather and provide scientific information for communications. Niels is the author of several medical papers and has presented his scientific findings at various international conferences.

Dr. med. Martin Koch
Dr. med. Martin Koch
Scientific Advisor

Dr. med Martin C. Koch is a member of the German Society for Gynecology and Obstetrics (DGGG). After studying medicine in Heidelberg and several stays abroad, Martin became a senior physician at the Erlangen University Hospital. As a member of the Advisory Board of VE, he designs and performs new research around fertility tracking and the corresponding overall physiological changes.

Petra Schenke
Petra Schenke
Cycle Expert

Petra Schenke is a certified NFP (Sensiplan) consultant and expert in fertility awareness-based methods and has been working in the field for over three decades. She is responsible for training new staff members and conducts personalized cycle analyses for our users. In her function as cycle expert, she helps pinpoint possible issues through the analysis of the cycle data collected by the users with the help of our devices. Do you have a question about your cycle or would like a thorough analysis? Then please do not hesitate to get in touch with our team: info@eu.daysy.me

Dr. Rebecca Simmons
Dr. Rebecca Simmons
Scientific Advisor

Rebecca Simmons, PhD, MPH is a Research Assistant Professor at the University of Utah in the Department of Obstetrics and Gynecology. Dr. Simmons directs the evaluation for the statewide contraceptive initiative, Family Planning Elevated, and works on other implementation research. Her research interests and expertise include fertility awareness-based methods, comprehensive contraceptive access, health technology, and implementation science.

Liya Haile
Liya Haile
Scientific Advisor

Liya Haile manages research and programmatic activities for mobile health solutions at the Institute for Reproductive Health (IRH) at Georgetown University in Washington, DC. Liya has worked on female focused technology research for several years, and her experiences include leading the Dot app efficacy study and monitoring and evaluation of the CycleBeads app in several African countries. Prior to joining the IRH, Liya focused on research in reproductive biology, specifically IVF, and other assisted reproductive technologies.