Our Team

Jette Lengefeld, PhD

Group leader

Jette is a group leader at the Institute of Biotechnology at the University of Helsinki (Finland) since 2021 and an Assistant Professor to the Karolinska Institutet (Sweden) starting in 2023. 

Jette did her graduate studies at the ETH Zurich (Switzerland) focusing on asymmetric cell division in the lab of Yves Barral. This work started her interest in stem cells. Supported by the SNF, the Jane Coffin Childs Memorial Fund and HHMI, Jette performed her postdoctoral studies at the MIT in the lab of Angelika Amon, where she discovered cellular enlargement as aging factor of blood stem cells. Her research team is investigating how blood stem cells fail to maintain their functions during aging and disease.


Soham Bharadwaj, M.Sc.

PhD student

Soham did his bachelor’s in Biotechnology from Guru Gobind Singh Indraprastha University (New Delhi, India), finishing 12th best of all India in his discipline. He pursued his master’s in Molecular and Cellular Biology from Ludwig Maximilians University (Munich, Germany). Scientifically, his interest lies in understanding how cells regulate their size and the implications of size regulation. In his free time, he loves to boulder, hike, and mingle with people.

Soham received a University-funded doctoral candidate position for 3 years by the Doctoral Programme in Biomedicine. Congratulations!


Daniel Davies, M.Sc.

PhD student

For his undergraduate honors degree, Daniel studied Molecular and Cellular Biology at the University of Glasgow. During the 3rd year, he spent a semester studying abroad at Yonsei University in South Korea. After completing his bachelor’s, Daniel moved to study at the University of Edinburgh, pursuing a master’s degree in Bioinformatics. His research interests revolve primarily around the biology of aging; understanding the underlying mechanisms that cause cellular aging, why these lead to the formation of age-associated diseases and how these can be manipulated in regenerative medicine.


Kim van den Handel, B.Sc.

PhD student

Kim is currently doing her master studies in “Cancer, Stem Cells and Developmental Biology” at the Utrecht University in the Netherlands. She is joining us for 6 months in 2022.


Lisa-Emmi Yin

Undergraduate student

Lisa is doing her bachelor’s degree in Molecular Biosciences at the University of Helsinki in Finland. Her research interests focus on stem cells and their behaviours. 


Emilie Cerezo, PhD


Emilie did her academic studies in Toulouse (France). During her PhD, she worked on the regulation of ribosome biogenesis by the MAPK signaling pathway in the Henry/Henras lab, at the CBI. She has been attracted to the study of cellular aging since her early university years. She now wishes to elucidate the underlying mechanisms that connect changes in HSC size to their dysfunction during age-related diseases.


Isabella Hietavirta

Undergraduate student

Isabella is a Bachelor student at the University of Helsinki in Molecular Biosciences. She is primarily fascinated by cellular aging, mitochondria, and regenerative medicine and is fascinated by cellular rejuvenation.



Mara Krispin​ – Lab technician student of college Hilden in Germany (2022)           

Joana Troka – Erasmus student from University of Crete in Greece (2021-2022)

You? We are hiring!

We are looking for Postdoc or PhD student

Send us your CV, list of publications, motivation letter including a description of your research interests, and the names and telephone numbers of at least two referees at this email address: jette.lengefeld@helsinki.fi

We are looking forward to your applications!