Kamen Ivanov (Member, IEEE) received the Ph.D. degree in pattern recognition and intelligent systems from the Shenzhen Institute of Advanced Technology (SIAT), Chinese Academy of Sciences, Shenzhen, China, in 2021. Currently, he holds positions at the Laboratory of Multifunctional Materials, Institute of Electronics, Bulgarian Academy of Sciences, Bulgaria, and he is also a Visiting Scientist at SIAT. He has authored more than 30 research works published in international journals, conferences, and books. His research interests include wearable computing and physiological signal processing.