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Previous Speakers (2021 part 2)

Some seminars were recorded and accessible for a limited time on our youtube channel.

January 6th, 2022

Host: Katherine Donovan


Hijacking The Ubiquitin System for Protein Degradation Therapeutics

Eric Fischer

Dana-Farber Cancer Institute / Harvard Medical School


Eric Fischer, PhD, is Independent Investigator at Dana-Farber Cancer Institute and Associate Professor of Biological Chemistry and Molecular Pharmacology at Harvard Medical School. He is also the Director of the DFCI/Deerfield Center for Protein Degradation.

Dr. Fischer’s research focuses on understanding the molecular architecture, function, and regulation of complex cellular signaling machines and their involvement in cellular processes. His lab leverages this knowledge to develop new strategies for small-molecule-mediated modulation. Using biochemistry, chemical biology, and cell biology methods, his lab has contributed to the understanding of the efficacy and adverse activity of thalidomide and related drugs. Beyond defining the mechanism of action for this transformative cancer drug and solving a decade-old mystery of pharmaceutical sciences, this work inspired numerous projects that intend to utilize similar principles to redirect ligase activity to new targets. This represents a new therapeutic modality often referred to as targeted protein degradation. Dr. Fischer’s lab helped to establish this approach and has defined many of the underlying principles for small molecule degraders. Dr. Fischer’s work has been recognized with awards including, the Damon Runyon Cancer Research Foundation’s 2017 Damon Runyon-Rachleff Innovation Award, and the Mark Foundation’s 2018 Emerging Leaders Award. Dr. Fischer is a co-founder of Civetta Therapeutics, Neomorph, Inc and Jengu Therapeutics.

Dr. Fischer completed his undergraduate training at the Universities of Hamburg (Germany) and Basel (Switzerland) and completed doctoral training at the Friedrich Miescher Institute for Biomedical Research, also in Basel. Dr. Fischer joined the Dana-Farber faculty in 2015.

January 20th, 2022

Host: Breanna Zerfas


Stewart Fisher

C4 Therapeutics


Navigating the Challenges of Degrader Optimization

Stew Fischer, Ph.D. joined C4 Therapeutics in May 2016 and has served as our Chief Scientific Officer since May 2018. Between May 2016 and May 2018, Stew served as our Senior Director of Discovery Sciences. Prior to joining C4 Therapeutics, Stew held senior leadership roles at the Broad Institute, including Director of Quantitative of Biochemistry and Enzymology, where he developed and implemented biochemical plans for therapeutic projects. He previously spent fifteen years at AstraZeneca in roles of increasing responsibility across target validation, drug discovery and clinical candidate support, including Executive Director of Infection Bioscience. Stew started his career at Hoffmann-La Roche as a Research Scientist after completing an NIH Post-Doctoral Fellowship at Harvard Medical School. Stew holds a Ph.D. in Organic Chemistry from the California Institute of Technology, and a B.A. in Chemistry from the University of Vermont.

Link to the recorded seminar:


February 3rd, 2022

Host: Hojong Yoon

Fumiaki Ohtake

Hoshi University


Targeted protein degradation elicited by branched ubiquitin code


Fumiaki Ohtake, Ph.D., is an Associate Professor at Hoshi University, Tokyo, Japan. His research group focuses on the molecular mechanism of protein ubiquitylation regulating cellular signaling pathways and proteostasis as well as chemically induced targeted protein degradation.

After completing his Ph.D. at the University of Tokyo, he started his research at the National Institute of Health Sciences in Japan, where he studied the acetylation of ubiquitin. In 2016, he moved to the Tokyo Metropolitan Institute of Medical Science. In collaboration with Dr. Keiji Tanaka and Dr. Yasushi Saeki, he found cellular roles of branched ubiquitin chains in proteasomal degradation and NF-kB signaling. In 2019, he set up his lab at Hoshi University as a P.I. and started studying the mechanism of targeted protein degradation from the view of the ubiquitin code biology.

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Nathaniel Henning, Andrew Manford
University of California, Berkeley

Discovery of a Covalent FEM1B Recruiter for Targeted Protein Degradation Applications

Nathaniel Henning is a PhD student with Professor Daniel Nomura at the University of California, Berkeley. Nathaniel’s research in the Nomura group uses covalent ligand discovery platforms to explore new strategies for targeted protein degradation and additional induced-proximity modalities, including deubiquitinase-targeting chimeras (DUBTACs). Prior to joining the Nomura group, Nathaniel worked as a technician in Nathanael Gray’s group at the Dana-Farber Cancer Institute.

Andrew Manford received his B.S. from the University of California, Davis and completed his PhD in Biochemistry, Molecular, and Cell Biology at Cornell University in the lab of Scott Emr. Andrew is currently a postdoc with Michael Rape at the University of California, Berkeley. Andrew’s work in the Rape lab focuses on identifying and characterizing new roles for ubiquitin ligases in regulating cellular differentiation and metabolism. This research has led to the discovery of the reductive stress response, a pathway that controls mitochondrial activity and redox homeostasis through the ubiquitin ligase CUL2FEM1B.

Link to the recorded seminar:

February 17th, 2022 

Host: Katherine Donovan

4 Selected Trainee Short Talks

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Hemant Sistla - thinkMolecular Technologies

Structural Model of the ternary complex RNF114 - PROTAC - BRD4

Hemant Sistla completed his Masters in Physics from the Sri Sathya Sai Institute of Higher Learning, Puttaparthi, India. Currently, he is a Scientific Associate at thinkMolecular Technologies, a molecular simulations company based in Bengaluru. His work involves developing python based tools for data-mining and data-processing to make sense of the behaviors of various proteins and their complexes. Running Molecular Dynamics Simulations of these systems and analyzing the results are also part of his role at thinkMolecular Technologies (

Cyrille Kounde - Imperial College London

Conditional proteolysis with PROTACs: The art of taming the chimeras

Cyrille Kounde completed his B.Sc. degree in biochemistry at Paris Diderot University and his M.Sc. in medicinal chemistry at Paris Descartes University. In 2006, he started his career in industry in the United Kingdom as a drug discovery scientist at Evotec Ltd then joined Novartis UK in 2010. Subsequently, he moved to Novartis Singapore and worked on several medicinal chemistry projects tackling neglected infectious diseases. He returned to the UK in 2017 to pursue a PhD in the group of Prof. Ed Tate at Imperial College London. His research focuses on the conditional activation and targeted delivery of PROTACs.


Luke Simpson - MRC PPU, University of Dundee

A ligand-inducible affinity-directed protein missile (L-AdPROM) system for targeted proteolysis

Luke Simpson is a PhD student with Professor Gopal Sapkota in the MRC PPU (Medical Research Council Protein Phosphorylation and Ubiquitylation Unit) at the University of Dundee, UK. Luke’s doctoral research has centred around exploring technologies for targeted protein modification and has involved the combined use of nanobody-based and proteolysis-targeting chimera (PROTAC) technologies for targeted protein degradation (TPD).

Alexander Hanzl - CeMM Center for Molecular Medicine

Charting functional E3 ligase hotspots and resistance mechanisms to small-molecule degraders via chemical genetics

Alexander Hanzl is a PhD student in the laboratory of Georg Winter at the Center for Molecular Medicine in Vienna. His thesis revolves around understanding resistance mechanisms in targeted protein degradation as well as employing phenotypic screening to identify novel E3 ligases amendable to this novel therapeutic modality. Prior to joining CeMM in 2017, Alex obtained his MSc focusing on epigenetics at the FMI in Basel. He originally trained as a chemist and soon moved into chemical biology after his BSc degree.

Link to the recorded seminar:


March 3rd, 2022 

Host: Mikolaj Slabicki

Christopher Ott

Massachusetts General Hospital

Chemical degraders of CBP and p300

Christopher Ott, PhD is an Investigator at the Massachusetts General Hospital's Center for Cancer Research. He joined the faculty of Harvard Medical School as an Assistant Professor in 2018. He and his research group focus on strategies to chemically modulate gene regulatory factors that control transcription through enhancers, with the goal of advancing these new tools as cancer therapeutics. Dr. Ott obtained his undergraduate degree from the University of Wisconsin-Madison and completed his doctoral dissertation in molecular genetics at Northwestern University. Before joining MGH he was a Leukemia & Lymphoma Society postdoctoral fellow in Jay Bradner's group at the Dana-Farber Cancer Institute. His work has been recognized by several awards including an NIH Pathway to Independence Award, an American Society of Hematology Scholar Award, and the V Foundation Scholar Award.

Link to the recorded seminar:


Francesca Ester Morreale
Research Institute of Molecular Pathology
BacPROTACs mediate targeted protein degradation in bacteria

Francesca Ester Morreale, PhD is a Postdoctoral researcher in Dr. Tim Clausen’s group at the Research Institute of Molecular Pathology (IMP), Vienna, Austria and a member of the Boehringer Ingelheim Discovery Research global postdoc program. Her research focuses on establishing targeted protein degradation technology in bacteria, by reprogramming components of bacterial protein degradation pathways.


Prior to joining the Clausen lab, she was a joint postdoc between Prof. Helen Walden and Prof. Alessio Ciulli research groups at the MRC Protein Phosphorylation and Ubiquitylation Unit, University of Dundee, UK. Dr. Morreale obtained her PhD in Pharmaceutical Sciences in 2014 from the University of Messina, Italy.

Link to the recorded seminar:

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March 17th, 2022, 12PM (EDT) / 9 am (PT) / 4 pm (GMT) / 5 pm (CET).

Host: Mikolaj Slabicki

Jan Krönke


Lenalidomide resistance mechanisms

Jan Krönke is a professor of hematology and oncology at the Charité, Berlin since 2020.  Dr. Krönke received an MD from Heidelberg University and completed his residency in hematology/ oncology at Ulm University Hospital where he studied genetics in AML. From 2011 to 2014 he joined the group of Benjamin Ebert at the Brigham and Women’s Hospital/ Harvard Medical School where he discovered that thalidomide analogs modulate the CRBN E3 ligase to induce ubiquitination and degradation of the neo-substrates IKZF1, IKZF3, and CK1α. After returning to Ulm University he became head of an Emmy Noether research group. His current research focuses on the development of new protein degraders, drug resistance mechanisms and proteomic studies in hematologic malignancies. For his work on targeted protein degradation, Dr. Krönke has been recognized by several awards including the Paul Martini prize and the Artur Pappenheim award.


March 31th, 2022 

Host: Radosław Nowak

William Farnaby

University of Dundee

Discovery of selective and orally available VHL-based degraders of BAF complex sub-units

William Farnaby is a Principal Investigator within the newly formed Centre for Targeted Protein at the University of Dundee. Since 2016, as part of the group of Alessio Ciulli, he has led a targeted protein degradation drug discovery team engaged in a collaboration between the University of Dundee and Boehringer Ingelheim. During this time Will has progressed a number of protein degradation projects through key drug discovery milestones and authored highly cited studies detailing novel approaches for the design and characterisation of degrader molecules. Prior to this Will worked at Takeda as a senior medicinal chemist, co-inventing Soticlestat and Luvadaxistat, inhibitors currently under late-stage clinical evaluation in the Central Nervous System therapeutic area. He is now initiating his own academic program focussed on using induced proximity chemistry for the discovery of chemical probes and methods of target validation, with a particular interest in generating tools that enable CNS research.


April 14th, 2022 

Host: Breanna Zerfas

Kylie J. Walters


Proteasome substrate receptor Rpn13 as an anti-cancer target

Kylie Walters is a Senior Investigator and Section Chief in the National Cancer Institute of the National Institutes of Health, USA. Her laboratory merges structural, chemical and cellular biology approaches to define the mechanisms of regulated protein degradation, ubiquitin signaling, and protein quality control. Together with her collaborators and team members, she has made discoveries that have defined how the proteasome interacts with ubiquitinated substrates and ubiquitination machinery. Kylie began training in the field of biophysics as an undergraduate at Wesleyan University, obtained a Ph.D. in Biophysics from Harvard University, and was an American Cancer Society Postdoctoral Fellow in the Pathology Department at Harvard Medical School. She began her independent career at the University of Minnesota and then moved her group to the National Cancer Institute where her lab seeks to develop new therapies against cancer by modulating functions of the proteasome and proteasome-related proteins.

Link to the recorded seminar:


Satoshi Yamanaka
Proteo-Science Center, Ehime University
A proximity-dependent biotinylation method for molecular glues and PROTACs

Satoshi Yamanaka, PhD is a Postdoctoral researcher in Dr. Tatsuya Sawasaki’s group at the Proteo-Science Center (PROS), Ehime University, Japan. Dr. Yamanaka obtained his PhD in 2020 from the Ehime University. So far, he established biochemical assay system based on wheat cell-free system to detect thalidomide- and its derivatives-dependent interaction. In 2020, he developed ancestral BirA for proximity-dependent biotin identification (AirID) as a novel proximity-dependent biotinylation enzyme. Recently, he established a proximity biotinylation-based method to analyze protein–E3 ligase interactions induced by molecular glues- and PROTACs. His current research focused on the application these methods to development of new molecular glues and PROTACs.


April 28th, 2022 

Host: Katherine Donovan

Katya Vinogradova

Rockefeller University

Covalent Small-Molecule Protein Degraders

Ekaterina (Katya) Vinogradova is an Assistant Professor and Head of the Laboratory of Chemical Immunology and Proteomics at the Rockefeller University since December 2020. Katya received her PhD from Massachusetts Institute of Technology with Prof. Stephen Buchwald, where she developed new organometallic methods for synthetic chemistry and chemical biology applications, including the development of an organometallic approach towards bioconjugation in collaboration with the laboratory of Prof. Bradley Pentelute (MIT), which started a joint program between the two research groups exploring “organometallic chemical biology”. She further pursued post-doctoral work as a Pfizer Fellow of Life Sciences Research Foundation with Prof. Benjamin Cravatt at the Scripps Research Institute. Her post-doctoral research focused on the development of an integrated chemical proteomic and phenotypic screening approach to create a global map of druggable protein targets in primary human T cells and to develop advanced small molecule probes that perturb the functions of these proteins, including small-molecule protein degraders. Katya’s current research applies chemical synthesis, cell biology and chemical proteomic tools toward the goals of discovering and characterizing (a) novel selective chemical probes that perturb the functions of key proteins regulating immunological and neuroimmunological processes; (b) new mechanisms for small molecule-induced protein degradation; and, more broadly, (c) the pharmacological landscape and signal transduction pathways in immune-related disorders.


May 12th, 2022 
Host: Hojong Yoon
Johannes Zuber
Institute of Molecular Pathology, Vienna BioCenter
Deciphering the regulation of essential genes through time-controlled CRISPR screens

Johannes Zuber is a senior group leader at the Research Institute of Molecular Pathology (IMP) at the Vienna BioCenter (VBC) and Adjunct Professor at the Medical University in Vienna, Austria. He studied medicine and received a doctorate in molecular cancer research at the Charité Medical School in Berlin, Germany, where he also completed four years of clinical training in hematology and oncology. During his postdoctoral research at Cold Spring Harbor Laboratory he developed experimentally tractable leukemia mouse models and advanced shRNAmir-based screening tools, which he applied to identify and characterize chromatin-associated dependencies in cancer. At the IMP, Johannes Zuber and his team develop and apply innovative methods for loss-of-function genetic studies and screens (using inducible shRNAmir, CRISPR, and Degron systems) and time-resolved transcriptomics (using SLAM-seq) to identify and evaluate therapeutic targets in AML, other cancer subtypes, and tumor-associated T cells. He received an ERC Starting Grant, has been selected as an EMBO Young Investigator (YIP), and has been awarded with the German Cancer Prize in 2016.



David Haselbach
Institute of Molecular Pathology, Vienna BioCenter
AKIRIN2 controls the nuclear import of proteasomes in vertebrates

David Haselbach is a group leader at the Research Institute of Molecular Pathology (IMP) at the Vienna BioCenter (VBC). He studied biochemistry and physics at the university of Potsdam and Molecular Biology at the University of Göttingen, where he also performed his PhD studies. In his postdoc studies in the lab of Holger Stark he developed cryo EM Methods to analyze molecular dynamics and solved structures of multiple molecular machines such as the 26S proteasome or the spliceosome. At the IMP, the Haselbach lab is trying to understand how molecular machines in protein quality control work. Therefore, they use modern cryo EM methods such as in-situ cryoET and time resolved single particle EM.


Link to the recorded seminar:

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May 26th, 2022 
Host: Sagar Koduri

Ning Zheng
University of Washington
Define Molecular Glues with Unifying Themes

Dr. Ning Zheng obtained his PhD from University of Texas Southwestern Medical Center in 1997 after he attended Fudan University in Shanghai, China. He did his postdoctoral studies at Memorial Sloan-Kettering Cancer Center and joined the faculty at the Department of Pharmacology in the University of Washington in 2002. He is currently Howard Hughes Medical Institute Investigator and an AAAS Fellow. His current research focuses on structural and functional analyses of ubiquitin ligases, their roles in plant hormone signaling, and their potential in mediating targeted protein degradation for novel therapeutic drug development.

Link to the recorded seminar:

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June 9th, 2022 
Host: Breanna Zerfas

Lyn Jones
Center for Protein Degradation, Dana-Farber Cancer Institute
Covalent modulation of cereblon using sulfonyl exchange chemistry

Lyn Jones received his PhD in synthetic organic chemistry from the University of Nottingham and completed postdoctoral research at The Scripps Research Institute (La Jolla, California) in chemical biology. He joined Pfizer (Sandwich, UK) as a medicinal chemistry team leader, eventually becoming Director of Chemical Biology and Lead Discovery Technologies. He transferred to Pfizer Cambridge, MA to become Head of Rare Disease Chemistry and Head of Chemical Biology. He then joined Jnana Therapeutics as Head of Chemistry and Chemical Biology, before moving to his current role as Director of the Center for Protein Degradation at the Dana-Farber Cancer Institute in Boston. He is an elected Fellow of the American Association for the Advancement of Science, the Royal Society of Chemistry, the Royal Society of Biology, and the Linnean Society. His research interests include the use of chemoproteomics and chemogenomics to advance new therapeutic modalities.

Link to the recorded seminar:

June 23rd, 2022 

Host: Mikołaj Slabicki, Radosław Nowak

Short Talks

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Helen Yu - Stanford University, USA

Fragment based Ligand Generation 

Helen currently a visiting scholar at the Stanford Ai Laboratory. Helen started out as a synthetic chemist and became interested in identifying the biochemical pathways that explained how small molecules worked. In my graduate studies I worked in characterizing different IMiDs, and became fascinated by data science. After graduating Helen became interested in programming and moved to Ron Dror's lab at Stanford. Her current work focuses on using artificial intelligence to design new drugs. 

Lena Nitsch - DKFZ, Germany

BTB-BCL6 dimers as building blocks for reversible drug-induced protein oligomerization

Lena Nitsch is a PhD student in the Ludwig lab at the Berlin Institute of Health (BIH) in Berlin, Germany. She finished her master’s degree in Cancer Biology at the University of Heidelberg and the German Cancer Research Center (DKFZ). During this time, Lena did an internship in the Ebert lab at the Broad Institute under the supervision of Dr. Mikolaj Slabicki working on the identification of the mechanism which triggers proteasomal degradation of BCL6. For her master's thesis, in the laboratories of Prof. Dr. Claudia Scholl and Prof. Dr. Stefan Fröhling at the DKFZ under supervision of Dr. Mikolaj Slabicki, she used this mechanism to design a molecular switch using a minimal BTB-BCL6 domain for reversible, drug-induced oligomerization.


Natalia Szulc - IIMCB, Poland

DEGRONOPEDIA - a web server for proteome-wide inspection of degrons

A second-year Ph.D. student in the group of Wojciech Pokrzywa at the IIMCB in Warsaw, Poland. Holds M.Sc. degrees in Molecular Biotechnology and Computational Engineering, both obtained at the University of Warsaw. Her Ph.D. project focuses on the evolutionary adaptation of the proteome to regulation by the Ubiquitin-Proteasome System. Her main interests include the mechanisms used by proteins to avoid premature degradation, degron evolution and substrate specificity of ubiquitin ligases. Her research combines high-throughput experimental techniques with data analysis, machine learning, and structural bioinformatics. She recently received a three-year Preludium research grant for her Ph.D. project from the National Science Centre in Poland.   

Tycho Mevissen - Harvard University, USA

Cell-free Trim-Away reveals the mechanism of TRIM21-mediated targeted protein degradation

Tycho Mevissen is a postdoctoral research fellow in Johannes Walter’s laboratory at Harvard Medical School. His current research focuses on recapitulating and mechanistically dissecting transcription-coupled DNA repair pathways in cell-free Xenopus egg extracts.

Prior to joining the Walter lab, Tycho received his PhD from the University of Cambridge, working under the supervision of David Komander at the MRC Laboratory of Molecular Biology. For his doctoral thesis, he characterized the mechanisms and linkage specificities of OTU family deubiquitinases (DUBs), and developed Ubiquitin Chain Restriction (UbiCRest) analysis, which is a powerful tool for the analysis of ubiquitin chain type composition and architecture.

Link to the recorded seminar:

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July 7th, 2022 
Host: Mikolaj Slabicki

Adam Sperling
Brigham and Women’s Hospital
Mechanisms of resistance and activity to thalidomide analogs

Dr. Sperling received his medical degree and PhD in the lab of Michael Grunstein studying epigenetics in budding yeast at the University of California, Los Angeles in 2011. He subsequently completed his residency in internal medicine at the Brigham and Women's Hospital and his fellowship in Hematology and Oncology at the Dana-Farber Cancer Institute. In 2018, he joined the staff of the Dana-Farber Cancer Institute, as an instructor while completing his post-doctoral research with Dr. Benjamin Ebert. In 2021 he started his independent lab at the Brigham and Women’s hospital focusing on understanding the mechanisms of disease evolution from pre-malignant conditions and the development of drug resistance in multiple myeloma and other hematologic malignancies. He also continues to care for patients with hematologic malignancies in the clinic at DFCI.


Amit Choudhary
Broad Institute
Bifunctional modalities for repurposing protein function

Dr. Amit Choudhary is an Assistant Professor of Medicine at Harvard Medical School, an Associate Biologist at Brigham and Women’s Hospital, and an Associate Member at the Broad Institute. He performed his pre-doctoral studies in Chemistry at Indian Institute of Science‒Bangalore and doctoral studies in Biophysics, where he elucidated a new force akin to the hydrogen bond in its quantum mechanical origin. Subsequently, he was appointed a Junior Fellow of the Harvard Society of Fellows. The efforts of Choudhary laboratory have been recognized by Burroughs Wellcome Fund’s Career Award at the Scientific Interface, NIH Director’s Transformative Research Award, DARPA’s Safe Genes and HEALR awards, Vilcek Prize for Creative Promise,  ICBS Young Chemical Biologist Award, and Juvenile Diabetes Research Foundation’s Innovation Award. Dr. Choudhary is a scientific founder of Photys Therapeutics that leverages the group’s findings on bifunctional molecules that induce or remove post-translational modifications.

July 21st, 2022 
Host: Katherine Donovan


Rebecca Feltham
New insights into PROTAC-based target validation strategies

Dr. Rebecca Feltham is a laboratory Head in the Ubiquitin Signalling Division at WEHI, specialising in E3 ubiquitin ligase biology and tag-targeted protein degrader (tTPD) technology. Rebecca is a molecular biologist and has over sixteen years of expertise investigating E3 ubiquitin ligases in cancer and inflammatory disease. During her PhD Rebecca’s research contributed towards patents and phase II clinical trials for a class of small molecule anti-cancer E3 ligase drugs (Smac-mimetics). Rebecca completed a four-year postdoc at the Institute of Cancer Research in London before returning to Australia to establish her own laboratory at WEHI. To expand the tTPD repertoire the Feltham laboratory has recently developed catalytic NanoLuc-targeting PROTACs (NanoTACs) that hijack the CRL4CRBN complex to degrade NanoLuc tagged substrates. Rebecca has also built a nationally collaborative and competitive platform at WEHI to de-risk prospective drug targets using tTPD technology. Through this platform she leads 20+ collaborations across multiple Australian institutes and organisations. This platform is also a core component to the Australian Centre for Targeted Therapeutics (ACTT), which is a Frontier Health and Medical Research multiorganizational initiative.

Link to the recorded seminar:

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Janek Suski
CDC7-independent G1/S transition revealed by targeted protein degradation 

In 2013 Dr. Janek Suski obtained mhis doctorate in biochemistry as part of an international PhD program at the Nencki Institute of Experimental Biology in Warsaw in Poland and at the University of Ferrara in Italy. His research revolved around the implications of mitochondrial dysfunction on cellular physiology in context of neurodegeneration.

After graduating, he moved to Boston where he joined the laboratory of Dr. Peter Sicinski at the Dana-Farber Cancer Institute and Harvard Medical School. The Sicinski lab has a long-standing interest in the processes that regulate the cell cycle. During Dr. Sushi's postdoc, he studied the role of a core member of the cell cycle machinery, a kinase called CDC7, and questioned the dogma of its indispensability in initiating DNA replication. He applied the auxin inducible degron system to deplete endogenous CDC7 in cells and in mice. This was the first time an endogenous protein was targeted with the auxin system in vivo. He demonstrated a functional redundancy between CDC7 and CDK1, a kinase known to regulate a completely different part of the cell cycle.

Currently, he is a senior scientist at AstraZeneca.

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