Ying (Catherine) Hua holds a doctorate in Applied Linguistics from The Hong Kong Polytechnic University and is an associate professor at the School of Foreign Languages, Shanghai Dianji University, China. Her research interests include systemic functional linguistics, multimodality and intercultural communication. She won the Best Paper Award (2nd prize) from the Chinese Association for Intercultural Communication (CAFIC) in 2019 and the Best Paper Award (3rd prize) from the International Association for Hallidayan Linguistics in 2023.

• Introduction.- Corporate Identity Cross cultural Social Media Communication and Multimodality Studies.- Modelling the Construction of Corporate Identities on Social Media across Cultures.- The Present Study.- Macro level Configuration of Activity Pattern.- Micro level Multimodal Realizations of Activity Pattern.

Ying (Catherine) Hua holds a doctorate in Applied Linguistics from The Hong Kong Polytechnic University and is an associate professor at the School of Foreign Languages, Shanghai Dianji University, China. Her research interests include systemic functional linguistics, multimodality and intercultural communication. She won the Best Paper Award (2nd prize) from the Chinese Association for Intercultural Communication (CAFIC) in 2019 and the Best Paper Award (3rd prize) from the International Association for Hallidayan Linguistics in 2023.

• Introduction.- Corporate Identity Cross cultural Social Media Communication and Multimodality Studies.- Modelling the Construction of Corporate Identities on Social Media across Cultures.- The Present Study.- Macro level Configuration of Activity Pattern.- Micro level Multimodal Realizations of Activity Pattern.

Ying (Catherine) Hua holds a doctorate in Applied Linguistics from The Hong Kong Polytechnic University and is an associate professor at the School of Foreign Languages, Shanghai Dianji University, China. Her research interests include systemic functional linguistics, multimodality and intercultural communication. She won the Best Paper Award (2nd prize) from the Chinese Association for Intercultural Communication (CAFIC) in 2019 and the Best Paper Award (3rd prize) from the International Association for Hallidayan Linguistics in 2023.

• Introduction.- Corporate Identity Cross cultural Social Media Communication and Multimodality Studies.- Modelling the Construction of Corporate Identities on Social Media across Cultures.- The Present Study.- Macro level Configuration of Activity Pattern.- Micro level Multimodal Realizations of Activity Pattern.