JCRS (Journal of Community Research and Service), 7(1), 2023 | 168 JCRS (JOURNAL OF COMMUNITY RESEARCH AND SERVICE) Vol. 7 No. 1, January 2023 ISSN (print): 2549-1849 ISSN (online): 2549-3434 Available online at https://ejournal.unimed.ac.id/2012/index.php.jcrs Keynote Speaker to Participant Interaction in Online Webinar by Using Zoom Application Ersika Puspita Dani 1 , Angel Agustin 2 , Eliza Deani 3 1 Teknik Informatika, STMIK Pelita Nusantara, Indonesia, Department, Institution, INDONESIA ersikapuspitadani@gmail.com Abstract. The objective of this descriptive qualitative study was to find out the keynote speaker to participant in online webinar by using zoom application. A keynote speaker has been conducted as a participant. To examine keynote speaker to participant, observation in zoom application were be used. The observation was be used to find out the keynote speaker’s interaction to participant. Then, the results were be analyzed to identify form of keynote speaker’s interaction. The results were 1) There were 3 forms of interaction used by keynote speaker to participant in online webinar, namely initiation move (I-Move), response move (R-Move), and Feedback Move (F-Move), and 2) The Initiation move (I-Move) was the most dominant interaction form used by keynote speaker to participant in online webinar and the least form was feedback move (F-Move). Keywords: interaction; keynote speaker to participant, online webinar, zoom application. Article history: Received: Jan 2023; Revised: Jan 2023; Accepted: Feb 2023; Available online: Feb 2023 How to cite this article: Dani, E.P., Agustin, A., Deani, E. (2023) Keynote Speaker to Participant Interaction in Online Webinar by Using Zoom Application. Journal of Community Research and Service,7(1). 1. Introduction Since the outbreak of the pandemic Covid 19 in Indonesia, there are so many ways which is conducted by Indonesian Government to prevent it. As an effort to prevent the spread of Covid 19, WHO is transferring for events involving large crowds. As concerned by Ministry of Education and Culture (Kemendikbud) the prevention of the spread of Covid 19. For this reason, conventional learning gathers many people in one the room needs to review its implementation. Learning must be carried out with scenarios that are able to minimize physical contact between keynote speakers and committees, or between a participant and another participant. One of the alternative forms of learning that can be carried out during the Covid-19 emergency is online learning. According to Moore, Dickson-Deane, & Galyen [1] that online learning is learning that uses internet networks with accessibility, connectivity, flexibility, and ability for various types of learning interactions. As stated by Milman [2], the use of digital technology will allow students and lecturers in different places during the process learning. Many organizations get this attachment, one of them is Online Webinar which is engaged in the world of education in reducing the impact of Covid 19 transmission. Research stated by Zhang et al., [3] shows that the use of the internet and multimedia technology is able to change the way of conveying knowledge and can be an alternative to learning carried out in traditional classrooms. Online learning in its implementation requires the support of mobile devices such as smartphones, tablets and laptops that can be used to access information anywhere and anytime [4]. The use of cellular technology has a major contribution in the world of education, including the purpose of distance learning [5]. Various media can also be used to support the implementation of online learning. For example, virtual classes that use Google Classroom, Edmodo, and Schoology services [6][7], and instant messaging applications such as WhatsApp [8] Online learning can even be done through social media such as Facebook and Instagram [9]. Besides that, the using of videoconference application also be used to improve teaching and learning process as stated by Marlini [10] in her research about zoom for BIPA online