### Collaboration Postdocs

**Martin Bies** (U. Penn.)

Martin Bies obtained his Ph.D. from the University of Heidelberg in 2018 under the supervision of Timo Weigand and Mohamed Barakat. His research is in the area of string theory and categorical geometry. He joined the collaboration in 2020 as a postdoctoral fellow at the University of Pennsylvania.

**Laurent Côté** (Harvard)

Laurent Côté obtained his Ph.D. from Stanford University in 2020 under the supervision of Yakov Eliashberg. His research is in the area of symplectic topology and low-dimensional topology. He joined the collaboration in 2021 as a postdoctoral fellow and Benjamin Peirce fellow at Harvard.

**Adeel Khan** (IHES)

Adeel Khan obtained his doctorate from Universität Duisburg-Essen in 2016, under the supervision of Marc Levine and Denis-Charles Cisinski. His research area is derived and homotopical algebraic geometry. He is spending 2020-2021 as a postdoctoral fellow at IHES.

**Yoosik Kim** (Brandeis/Harvard)

Yoosik Kim obtained his Ph.D. from the University of Wisconsin Madison in 2016, under the supervision of Yong-Geun Oh. His research area is symplectic topology, with a particular focus on Lagrangian Floer theory and integrable systems in the context of mirror symmetry. He joined the collaboration in 2019 as a postdoctoral fellow at Brandeis and Harvard.

**Yin Li** (Columbia)

Yin Li obtained his Ph.D. from Kings College London in 2020, under the supervision of Yanki Lekili. His research is in symplectic topology, with a focus on Lagrangian Floer homology and Koszul duality in Fukaya categories. He joined the collaboration in 2020 as a postdoctoral fellow at Columbia University.

**Cheuk Yu Mak** (Edinburgh)

Cheuk Yu Mak obtained his Ph.D. from the University of Minnesota in 2016, under the supervision of Tian-Jun Li. His research focuses on symplectic topology and applications to low-dimensional topology. He joined the collaboration in 2020 as a postdoctoral fellow at the University of Edinburgh.

**Nadia Ott** (U. Penn.)

Nadia Ott obtained her Ph.D. from the University of Minnesota in 2020 under the supervision of Alexander Voronov. Her research focuses on supergeometry and moduli spaces of super Riemann surfaces. She joined the collaboration in 2021 as a postdoctoral fellow at the University of Pennsylvania.

**Yingdi Qin** (U. Penn.)

Yingdi Qin obtained his Ph.D. from UC Berkeley in 2020 under the supervision of Denis Auroux. His research is in the area of symplectic geometry. He joined the collaboration in 2020 as a postdoctoral fellow at the University of Pennsylvania.

**Semon Rezchikov** (Harvard)

Semon Rezchikov obtained his PhD. from Columbia University in 2021 under the supervision of Mohammed Abouzaid. His research focuses on the algebraic structures underlying counts of pseudoholomorphic curves in symplectic manifolds, their applications to problems in Hamiltonian dynamics, as well as Fueter equations. He is spending 2021-2022 as a postdoctoral fellow at Harvard.

**Yun Shi** (Harvard)

Yun Shi obtained her Ph.D. from the University of Illinois in 2019, under the supervision of Sheldon Katz. Her research is in algebraic geometry, specifically coherent sheaves, Donaldson-Thomas invariants, and stability. She joined the collaboration in 2019 as a postdoctoral fellow at Harvard.

**Nicholas Wilkins** (MIT)

Nick Wilkins obtained his Ph.D. from the University of Oxford in 2019, under the supervision of Alex Ritter. His research is in symplectic geometry, specifically equivariant structures in quantum cohomology. He will join the collaboration in 2021 as a postdoctoral fellow at MIT.

### Former Collaboration Postdocs

**Netanel Blaier** (Brandeis/Harvard)

Netanel Blaier obtained his Ph.D. from MIT in 2016, under the supervision of Paul Seidel. His research area is symplectic topology. Netanel’s thesis studies symplectic mapping class groups by constructing a quantum analogue of the Johnson homomorphism. He joined the collaboration in 2016 as a postdoctoral fellow at Brandeis and Harvard.

**Colin Diemer** (IHES)

Colin Diemer obtained his Ph.D. from the University of Pennsylvania in 2010, under the supervision of Antonella Grassi. He has held postdoctoral positions at University of Miami, Vienna, and most recently University of Alberta. His research areas are birational geometry, tropical geometry, and mirror symmetry. He joined the collaboration as a postdoctoral fellow at IHES in September 2016.

**Yoel Groman** (Columbia)

Yoel Groman obtained his Ph.D. from the Hebrew University of Jerusalem in 2015, under the supervision of Jake Solomon. His research focuses on the geometric properties of J-holomorphic curves in symplectic manifolds. After spending a year at ETH Zurich, Yoel joined the collaboration in 2016 as a postdoctoral fellow at Columbia University.

**Roberta Guadagni** (U. Penn.)

Roberta Guadagni obtained her Ph.D. from the University of Texas at Austin in 2017, under the supervision of Tim Perutz. Her research studies the geometry of SYZ fibrations. Roberta joined the collaboration in 2017 as a postdoctoral fellow at the University of Pennsylvania.

**Andrew Harder** (Miami)

Andrew Harder obtained his Ph.D. from the University of Alberta in 2016, under the supervision of Charles Doran. His work in algebraic geometry studies Calabi-Yau varieties, Fano varieties and Landau-Ginzburg models. Andrew became a postdoctoral Research Assistant Professor at the University of Miami in 2016.

**Justin Hilburn** (U. Penn.)

Justin Hilburn obtained his Ph.D. from the University of Oregon in 2016. His research interests lie at the interface of geometric representation theory, algebraic and symplectic geometry, and mathematical physics. Justin joined the collaboration in 2016 as a postdoctoral fellow at the University of Pennsylvania.

**Hansol Hong** (Brandeis/Harvard)

Hansol Hong obtained his Ph.D. from Seoul National University in 2014, under the supervision of Cheol-Hyun Cho. His research focuses on Lagrangian Floer theory and its applications to homological mirror symmetry for orbifolds. Hansol was first a postdoc at the Chinese University of Hong Kong, before joining the collaboration in 2016 as a postdoctoral fellow at Brandeis and Harvard.

**Oleg Lazarev** (Harvard)

Oleg Lazarev received his Ph.D. at Stanford University in 2017 under the supervision of Yakov Eliashberg. His research is in the area of symplectic topology, with a focus on flexibility and rigidity phenomena. He spent 2020-2021 as a postdoctoral fellow at Harvard before taking a position at U. Mass. Boston.

**Mauro Porta** (U. Penn.)

Mauro Porta obtained his Ph.D. in 2016 from the Université Paris 7 Denis Diderot and Università di Firenze under the supervision of Gabriele Vezzosi. His research focuses on derived algebraic geometry, rigid analytic geometry, and motivic homotopy theory. Mauro was part of the collaboration as a postdoctoral fellow at the University of Pennsylvania in 2016-2017, before taking a permanent position in Strasbourg.

**Zack Sylvan** (Columbia)

Zack Sylvan obtained his Ph.D. from UC Berkeley in 2015, under the supervision of Denis Auroux. His research concerns partially wrapped Fukaya categories and their relations to other invariants. Zack was a postdoc at ETH Zurich and at the Institute for Advanced Study before joining the collaboration in 2017 as a postdoctoral fellow at Columbia University.

**Mohammad Farajzadeh Tehrani** (SCGP)

Mohammad Farajzadeh Tehrani obtained his Ph.D. from Princeton University in 2012. His research focuses on moduli spaces of pseudoholomorphic curves and Gromov-Witten theory. Mohammad works at the Simons Center for Geometry and Physics in Stony Brook, and has been supported as a fellow of the collaboration in 2016-17.

**Dmitry Tonkonog** (Berkeley)

Dmitry Tonkonog obtained his Ph.D. from the University of Cambridge in 2016, under the supervision of Ivan Smith. His research focuses on Lagrangian Floer theory. Dmitry spent a year as a postdoc at Uppsala University before joining the collaboration in 2017 as a visiting assistant professor at UC Berkeley.

**Dingxin Zhang** (Brandeis/Harvard)

Dingxin Zhang obtained his Ph.D from Stony Brook University in 2017, under the supervision of Jason M. Starr. His research focuses on p-adic cohomology, D-modules, and their applications in mirror symmetry. Dingxin joined the collaboration in 2017 for a period of two years at Brandeis and Harvard.

**Jingyu Zhao** (Brandeis/Harvard)

Jingyu Zhao obtained her Ph.D. from Columbia University in 2016, under the supervision of Mohammed Abouzaid. Her research focuses on equivariant structures in Floer theory. Jingyu spent a year as a postdoc at the Institute for Advanced Study before joining the collaboration in 2017 as a postdoctoral fellow at Brandeis and Harvard.

**Peng Zhou** (IHES)

Peng Zhou obtained his Ph.D. from Northwestern University in 2017, under the supervision of Eric Zaslow. His research applies microlocal analysis to study geometric problems in homological mirror symmetry and in spectral theory. Peng joined the collaboration in 2017 to spend two years at IHES.