2014: 9th International Colloquium on Graph Theory and Combinatorics, Grenoble, France.

Presented talk: The Adjacency Matrices of Complete and Nutful Graphs

2015: 8th Slovenian Conference on Graph Theory, Kranjska Gora, Slovenia.

Presented talk: Non-Singular Bipartite Graphs With A Singular Deck

2017: The Second Malta Conference in Graph Theory and Combinatorics, Malta.

Presented talk: Edge Construction of Molecular NSSDs

2018: Workshop on Graph Spectra, Combinatorics and Optimization, Aveiro, Portugal.

Presented talk: The Resolvent Energy Matrix of a Graph

2019: 9th Slovenian Conference on Graph Theory, Bled, Slovenia.

Presented talk: Generating Pairs of Generalized Cospectral Graphs from Controllable Graphs

2020: International Conference on Graph Connections (online), Kottayam, Kerala, India.
(invited speaker)

Presented talk: Molecular Conductivity: Nonsingular Graphs With a Singular Deck
Watch the talk here.

April 2021: Spectral Graph Theory Online – informal research event by Brazilian researchers
(invited talk)

Presented talk: Walks and Eigenvectors
Watch the talk here.

June 2021: 8th European Congress of Mathematics – Portorož, Slovenia (online)

Presented talk: The Rank of Pseudo Walk Matrices