Katz-fest1. Conference on Enumerative Geometry, Mirror symmetry and Physics 
Harvard CMSA, 20 Garden Street, Cambridge, MA, July 17, 2017 to July 21, 2017.
This conference presented an opportunity to honor the contributions of Sheldon Katz, who recently turned 60.

Conference webpage

2. Conference on Algebraic Geometry, Representation theory and Mathematical Physics
Harvard CMSA, 20 Garden Street, Cambridge, MA, April 29, 2019 to May 1, 2019.
This conference discussed recent advancements in algebraic geometry, representation theory and mathematical physics around Homological Mirror Symmetry conjecture announced by Maxim Kontsevich in 1994.
3. Conference on Moduli and Invariants
The Casa Matemática Oaxaca (CMO), November 17, 2019 to November 22, 2019.
This workshop brought together researchers from different groups studying enumerative invariants from moduli spaces of curves. The workshop will discuss recent advances in Donaldson-Thomas theory, Gromov-Witten theory and equivariant extensions of such theories.