Team

lab2026

Hi, we're the Vonesch lab. Here you can find who's in the lab, what they do, and how to contact us.

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Sibylle VONESCH

Group Leader

Sibylle is fascinated by the genomic and phenotypic diversity present in nature and believes in the power of high-throughput approaches in microbes for understanding fundamental biological principles. When not in the lab you can find her kitesurfing, cycling or running up a mountain.

Postdoc - EMBL Heidelberg, Germany
PhD Quantitative & Systems Genetics – ETH Zurich, Switzerland
MSc Molecular & Cell Biology – University of Zurich, Switzerland

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Ariel LANGEVIN

Lab Manager and Research Scientist

After six years of engineering and evolving bacteria, yeast, and fungi in industry at Ginkgo Bioworks, Ariel has returned to academia to help answer the question: how can we more accurately design and predict biological functions at scale? Across all applications, Ariel enjoys developing high-throughput approaches that leverage automation and pooling to tackle challenging biological problems. When she's not thinking about biology, Ariel can usually be found reading, solving puzzles, or spending time with her family.

Senior Scientist - Ginkgo Bioworks, US
PhD Biomedical Engineering - Boston University, US
MSc Biomedical Engineering - Boston University, US

 

 

Laetitia

Laetitia MAROC

Postdoc

Laetitia is passionate about CRISPR technologies and fungal genetics and genomics. After a PhD and a first postdoc on Nakaseomyces glabrata, she decided to cheat on her favorite yeast to work with another non-conventional yeast. When not in the lab, you can find her rock climbing or having a nice cold beer on a patio trying to survive her troublemaker (but so cute) twins.

Postdoc – University of Guelph, Canada
PhD – University of Paris Saclay, France
MSc – University of Paris Saclay, France
 

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Jana NYSTEN

Postdoc

Jana studies how genetic variation and genetic interactions shape biological traits using high-throughput CRISPR tools in yeast. She aims to test thousands of sequence variants and their combinations to better understand how genotype translates into phenotype. She likes a good challenge, whether in the lab, on a steep mountain trail, or in sports, and enjoys spending time with friends and family.

PhD - KU Leuven, Belgium; University of Toronto, Canada
MSc Biochemistry & Biotechnology – KU Leuven, Belgium

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Daan TROUBLEYN

Research technician

Daan is looking to gain wet lab experience this year by conducting fundamental research on the effects of synonymous mutations on protein folding. Contributing to science has been one of his dreams since childhood, and along the way, a passion for the microscopic world developed. In his free time, he enjoys perfecting his baseball swing, experimenting with new kitchen recipes, or savoring a good book with a glass of wine.

MSc Cellular & Genetic Engineering – KU Leuven, Belgium

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Sara BACO

PhD student

Sara has been cultivating her passion for science since she was a kid and has developed an interest in synthetic biology during her academic journey, which has led her to Belgium. She likes being in touch with nature as well as exploring cities, and after long hours in a labcoat she enjoys a cold beer while searching for a new movie to watch.

MSc Molecular & Industrial Biotechnology – University of Bologna, Italy

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Vlad BATAGUI

PhD student

Vlad has a deep interest in everything genomics and is building tools to study genetic interactions at scale through precision genome editing. He comes from a mixed background of biochemistry and statistics and likes projects where he can combine the wetlab with computational work. These days, you can find Vlad on walks with his dog Mochi, exploring art shows and museums, or perfecting his coffee recipes at home.

MSc Biophysics, Biochemistry and Biotechnology – KU Leuven, Belgium

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Simon FIESACK

PhD student

Simon wants to contribute to science through basic research and developing new genetic engineering tools. Besides his interest in science, he loves tasting new things and being in nature. After a long hike, he appreciates a good beer with friends.

MSc Cellular & Genetic Engineering – KU Leuven, Belgium

Siebe

Siebe THYS

PhD student

Siebe is captivated by neatly designed biological systems and enjoys combining these components to achieve desired outcomes. In line with his interests, he is contributing to the development of a high-throughput genome editing strategy in E. coli. Outside the lab, he enjoys organizing electronic music events, outdoor camping or going for a ride on his moped.

MSc Cellular & Genetic Engineering – KU Leuven, Belgium

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Camille VAN DE VYVER 

PhD student

Camille has always been fascinated by the complexity and remarkable evolution of cellular processes and developed an interest in synthetic biology during her higher studies. In her free time, she enjoys having a coffee and the company of a good book. She also loves spending time outdoors, especially camping and sharing a beer with friends.

MSc Cellular & Genetic Engineering – KU Leuven, Belgium

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Bram VAN DE WALLE

PhD student

After completing his Master of Biomedical Sciences, Bram decided to focus more on the analytical side of research by pursuing an interest in Bioinformatics. Interested in how genotype impacts phenotype, Bram aims to uncover how synonymous mutations can drive phenotypic change. When not in the lab, he can be found playing board games or having drinks with friends.

MSc Bioinformatics - KU Leuven, Belgium
MSc Biomedical Sciences - KU Leuven, Belgium

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Elizabeth DE SCHOUWER

MSc student

Elizabeth has been a CRISPR nerd since she was 15 and followed her passion for gene editing to the Vonesch lab! Developing inventive tools for discovery and working hands-on gives her daily motivation. In her free time, she enjoys talking with loved ones, making music, and being active!


MSc student Cellular & Genetic Engineering - KU Leuven, Belgium
BS Cellular and Molecular Biology - University of California San Diego, US

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Tanvi DUARAH

MSc student

Tanvi thinks of genomes the way some people think of good novels: dense, surprising, and full of things you only notice on the third read. She's been a student for as long as she can remember and has never once been tempted to stop. When not in lab she is drawing, walking, brewing Assam tea with more ceremony than it strictly requires, or playing The Strokes loud enough that it counts as a personality trait.

MSc student Cellular & Genetic Engineering - KU Leuven, Belgium
B.Tech Biotechnology - VIT Vellore, India

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Romane LECOCQ

MSc student

Romane has a background in Marine Science but realised her passion for science lies more at the cellular and molecular levels, with a particular fascination for the organisation and complexity underlying life processes. Outside the lab, she enjoys running, going to live music events, and exploring new places. She currently lives in Brussels with 5 friends and never misses a terrace when the sun comes out!

MSc student Cellular & Genetic Engineering - KU Leuven, Belgium
International MSc Marine Biological Resources (IMBRSea) - Ghent University, Belgium
BSc Bioengineering - Université Catholique de Louvain, Belgium

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Robin WÖHR

MSc student

Robin started out in biochemistry, but he has always loved exploring adjacent fields too. This curiosity led him to genomics, where he is now studying how genetic variation results in differing phenotypes in yeast. On weekends, he is an ambitious home cook who spends “way too much time” (his words) in the kitchen perfecting recipes.

MSc student Biochemistry & Biotechnology - KU Leuven, Belgium
BSc Biochemistry – Freie Universität Berlin, Germany