Group members

Academic staff

Tom Bridgeland

Interests: Mirror Symmetry, Derived Categories, Moduli Spaces, Hall Algebras

Contact: Personal website,, room J18b

Biography: Tom learnt his trade in Edinburgh before moving to Sheffield in 2004. He spent the years 2011 and 2012 as a Research Fellow at All Souls College, Oxford.

Andrea Brini

Interests: Topological Strings, Mirror Symmetry, Moduli Spaces, Integrable Systems

Contact:, room J21

Biography: Andrea got his PhD at SISSA, Trieste in 2009 and spent time as a postdoc in Geneva and then Imperial College in 2009-12. He obtained a CNRS permanent research post based at Montpellier in 2013, and held visiting research positions at Imperial College (2016-18) and MSRI Berkeley (2018), following which he took up a senior lectureship in Birmingham in 2018. He joined this group at Sheffield as a senior lecturer in 2019.

Paul Johnson

Interests: Gromov-Witten theory, Orbifolds, Hilbert schemes, Partitions

Contact: Personal website,, room J06b

Biography: Paul initially completed his undergraduate at the University of Chicago. Following this he obtained his master’s at the University of Wisconsin-Madison and PhD at the University of Michigan under Yongbin Ruan. He then held various postdoctoral positions at Princeton, Imperial College London and Columbia University. He was associate professor at Colorado State University for one year before moving to the University of Sheffield.

Cristina Manolache

Interests: Moduli spaces, Gromov-Witten theory

Contact:, room J23

Biography: Cristina got her PhD at SISSA, Trieste and following this, she held postdoctoral positions at Humboldt Berlin and at Imperial College London. She came to the University of Sheffield as a senior lecturer in 2019.

Evgeny Shinder

Interests: Derived Categories of Coherent Sheaves, Grothendieck Group of Varieties

Contact:, room J24

Biography: Evgeny defended his PhD at Northwestern University under Andrei Suslin. Afterwards he was a postdoc at the Max Planck Institute for Mathematics, University of Bonn, the Hausdorff Research Institute for Mathematics and the University of Mainz. In 2013-14 he was a Whittaker postdoc at the University of Edinburgh, before coming to Sheffield as a lecturer in 2014.


Ananyo Dan

Interests: Hodge theory, Noether-Lefschetz locus, Moduli spaces of semi-stable sheaves, Hilbert schemes, Singularity theory


Biography: Ananyo got his PhD from Humboldt Universitat zu Berlin, Germany. Following this, he had postdoctoral positions in Tata Insitute of Fundamental Research, India, Basque Centre for Applied Mathematics, Spain and is currently a postdoctoral fellow at the University of Sheffield.

Nikita Nikolaev

Interests: Meromorphic Connections, Stokes Phenomenon, Exact WKB Analysis, Quantum Curves, Higgs Bundles

Contact: Personal website,, room K16

Biography: Nikita obtained his PhD at the University of Toronto in 2018 under the tutelage of Marco Gualtieri. He then held a postdoctoral research position at the University of Geneva under the mentorship of Anton Alekseev. In March 2021, he joined the University of Sheffield as a postdoctoral researcher under the mentorship of Tom Bridgeland.

Nadir Fasola

Contact:, room K16

Biography: Nadir obtained his master's degree at the University of Insubria, Italy. He then got his PhD from SISSA, Italy, in 2020 under the supervision of Giulio Bonelli and Alessandro Tanzini, after which he joined the University of Sheffield as a postdoctoral fellow.

PhD students

Alberto Cobos Rabano

Supervisor: Cristina Manolache

Interests: Enumerative Invariants, Toric Geometry

Contact:, room J25

Biography: Alberto studied for his bachelor's degree in Salamanca, Spain. After that, he obtained his master's degree at KU Leuven, Belgium. He then moved to Sheffield to start his PhD.

Reinder Meinsma

Supervisor: Evgeny Shinder

Interests: Derived categories of coherent sheaves, moduli spaces, K3 surfaces

Contact:, room J14b

Biography: Reinder obtained his bachelor's and master's degree at Radboud University in Nijmegen, the Netherlands. He then moved to Sheffield to start as a PhD student.

George Moulantzikos

Supervisor: Evgeny Shinder

Interests: Derived Categories, Grothendieck Rings of Varieties, L-Equivalence, Hodge Theory, Torelli Problems

Contact:, room J25

Biography: George obtained his undergraduate and master’s degree at the University of Crete before moving to Sheffield for his PhD.

Edward Pearce

Supervisor: Paul Johnson

Interests: Algebraic Geometry, Commutative Algebra, Representation Theory, Combinatorics of Partitions

Contact: Personal website,, room J14b

Biography: Edward completed an integrated master's degree at the University of Warwick and has since been studying for a PhD at the University of Sheffield.

Eve Pound

Supervisor: Paul Johnson

Interests: Hilbert schemes, Combinatorics of partitions, Representation theory of symmetric groups, Geometric group theory

Contact:, room J14a

Biography: Eve completed her undergraduate degree and Part III at the University of Cambridge. She then moved to Sheffield as a PhD student.

Yannik Schüler

Supervisor: Andrea Brini

Interests: Gromov-Witten theory, Mirror Symmetry, Airy Structures, Topological Recursion

Contact:, room J14b

Biography: Yannik obtained his bachelor's and master's degree at the University of Bonn, Germany. He then moved to Sheffield to start his PhD.

Karoline Van Gemst

Supervisor: Andrea Brini

Interests: Frobenius Manifolds, Gromov-Witten theory, Quantum Cohomology, Landau-Ginzburg Theory, Mathematical physics

Contact:, room J14b

Biography: Karoline obtained an MPhys Mathematical Physics from University of Edinburgh, and then an MSc in pure mathematics at Imperial College London. Afterwards, she moved to Birmingham for her PhD studies from where she transferred to Sheffield.

Yirui Xiong

Supervisor: Tom Bridgeland

Interests: Stability conditions and Calabi-Yau algebras

Contact:, room J14a

Biography: Yirui completed his bachelor’s and master’s degree at Sichuan University in Chengdu, China, and then came to Sheffield as PhD student.

Menelaos Zikidis

Supervisor: Tom Bridgeland

Interests: Geometry of Moduli Spaces, Non-Abelian Hodge Theory, Bridgeland Stability Structures, Mirror Symmetry, DT-Theory.

Contact: Personal website,, room J14a

Biography: Menelaos completed his masters and undergraduate studies in Mathematics and Physics at the University of Heidelberg. He then joined the University of Sheffield for his PhD.

Former members

Meet the former members of our group.