Kalyan Ghosh is currently working as a postdoctoral research fellow with Marie Skłodowska-Curie Actions Fellowship in CEITEC-Brno University of technology (BUT), Czech Republic. He received PhD in Materials Engineering from Nanyang Technological University Singapore in 2018. He completed MTech in Materials Science and Engineering from Indian Institute of Technology Kharagpur and received DAAD fellowship to carry out his master's research in TU Berlin. After 1 year of postdoctoral experience in Nanyang Technological University Singapore, he joined Future Energy and Innovation Lab of CEITEC-BUT under the supervision of Prof Martin Pumera in 2019 and received Marie Skłodowska-Curie Actions Fellowship in 2020. His research interest is focused on 3D printing of 2D materials for mechanical energy harvesting using triboelectric nanogenerators, chemical energy conversion and solid-state energy storage.