Attila Klenik is a research fellow at the Budapest University of Technology and Economics. His research interests include systematic performance analysis of complex distributed systems and model-based development of blockchain smart contracts. Attila is one of the main developers of the Hyperledger Caliper performance measurement framework maintained by the Linux Foundation. In 2016, he won a scholarship in the Hyperledger Summer Internship competitive application and has been involved in the program as a mentor since then.