Prof. Dr. Christian Kandler is the head of the SPeADy project. He is professor of Personality Psychology and Psychological Assessment at the University of Bremen since October 2018. His research has long been directed towards the development of personality and his work has been published in high-ranking national and international journals. The studies themselves are coordinated by Jantje Asmus, M. Sc., Yannik Wiechers, M. Sc., and Dr. Alexandra Zapko-Willmes. They can be contacted via the studies’ email addresses. Additionally, the projects’ staff is supported by the student research assistants Elif Yalcin, Annika Overlander, and Jana Willemsen.
For contact details see “Contact“.

Prof. Dr. Christian Kandler

Christian Kandler received his diploma in psychology in 2007 at Friedrich Schiller University Jena. After his graduation, he conducted research and taught as a research assistant (2007-2012), assistant professor (2012-2016) and interim professor (2016-2017) at the Bielefeld University. There, he completed his doctorate thesis in 2010, entitled “The Nature of Personality: Validity, Continuiety and Interaction of the Genetic Make-up and Environment”, and received the venia legendi in psychology in 2017; his habilitation thesis was entitled “Genotype-Environment Interplay of Personality Development”. He was professor at the MSB Medical School Berlin (2017-2018) and is now professor of Personality Psychology and Psychological Assessment at the University of Bremen.
Since October 2015, he has been supervising the SPeADy research project. Moreover, as of October 2016, he is associate editor of the European Journal of Personality. His research on the patterns and sources of personality differences and development has been honored multiple times. Most recently, he won the EAPP early achievement award 2018.

Jantje Asmus, M. Sc.

Jantje Asmus received her bachelor’s degree in Psychology at Georg-August-University Göttingen in 2011 and finished her master´s in Psychology in 2013 at the same university. After graduation, she initially started her advanced studies for psychodynamic psychotherapy at ZAPNord Lübeck.

Since March 2019, Jantje Asmus works as a research assistant at the Department of Psychology at University Bremen. She is a member of the working group Personality Psychology and Psychological Assessment and coordinates the Twin Family Study of the project SPeADy.

Yannik Wiechers, M. Sc.

Yannik Wiechers completed his Bachelor of Science in 2017 and in 2018 his Master of Science at the Rijksuniversiteit Groningen. He ran a validation study of the Buss-Perry Aggression Questionnaire as part of his Master’s Thesis with Dutch patients of a forensic institution as participants.

Since March 2019, Yannik Wiechers works as a research assistant in the working group on Personality Psychology and Psychological Assessment at the University of Bremen and collaborates in the SPeADy research project, coordinating the Age Groups Study.

Dr. Alexandra Zapko-Willmes

Alexandra Zapko-Willmes received her bachelor’s degree in psychology from Trier University in 2011 and her master’s degree in psychology from the Heinrich Heine University Düsseldorf in 2014. Since 2015, she coordinates the longitudinal DFG project SPeADy. She worked as a research assistant at Bielefeld University from 2015 to 2017 and from 2017 to 2018 at MSB Medical School Berlin. In 2018, she received her Ph.D. degree in psychology for her thesis entitled “Sources of individual differences in sociopolitical orientations: Findings from combining behavior genetic with multi-rater approaches”. Since January 2019, she is a postdoctoral researcher at the University of Bremen.

Former Team Members

Julia Richter (Universität Bielefeld)

Angelika Penner (Universität Bielefeld)

Hannah Sarnizei (Universität Bielefeld)

Paula Wundersee (MSB Medical School Berlin)

Rebecca Gruzman (MSB Medical School Berlin)

Felix Butt (MSB Medical School Berlin)

Pauline Hirche (Universität Bielefeld)

Julia Schneider (Universität Bielefeld)

Michael Papendick (Universität Bielefeld)

Kai Tippelt (Universität Bielefeld)