• Guest Editor, Special Issue "GeoHealth Data Science for Geographic Knowledge Discovery, Prediction and Transfer in Health Research", International Journal of Geographical Information Science. Jiannan Cai, Mei-Po Kwan, Min Deng, Shashi Shekhar, and Yiqun Xie (Eds). Ongoing.  (CFP)

• Guest Editor, Special Issue "New Insights into Human Mobility, Urban Computing and Planning", Applied Sciences. Baoju Liu, Huimin Liu, Jiannan Cai (Eds).

Board Member

• Academic Director, Spatial Analysis and Modeling Specialty Group, American Association of Geographers, 2024 - 2027. (Link)

• Executive Committee Member, ACM China Council Special Interest Group on Spatial Information (ACM SIGSPATIAL) Chapter, 2025 - . (Link)

• Youth Committee Member, Chinese Society for Geodesy, Photogrammetry and Cartography, 2026

Conference Organizer

• Chair, Session on John Odland SAM Student Paper Competition. American Association of Geographers Annual Meeting 2026, San Francisco, California, U.S., Mar. 17, 2026. (Jiannan Cai, Hyun Kim, Seda Salap-Ayca) (Link)

• Chair, Session on John Odland SAM Student Paper Competition. American Association of Geographers Annual Meeting 2025, Detroit, Michigan, U.S., Mar. 26, 2025. (Jiannan Cai, Hyun Kim, Seda Salap-Ayca) (Link)

• Co-chair, Session on Big Data and GeoAI enhanced Cartography for Early Warning and Disaster Management. Asian Cartographic Conference 2024. Hong Kong, China, Dec. 8-10, 2024. (Jie Shen, Christophe Lienert, Yong Wang, Jiannan Cai) (Link)

• Co-chair, Symposium on Geospatial Approaches to Pressing Grand Challenges: Global Pandemics, Climate Change, and Food Security, American Association of Geographers Annual Meeting 2024. Honolulu, Hawai’i, U.S., Apr. 17 - Apr. 20, 2024. (Mei- Po Kwan, Jiannan Cai) (Link) (Wechat Post)

• Chair, Session on Mobile Sensing and Spatiotemporal Analysis of Human Mobility and Environmental Health, 2024 AAG Symposium on Geospatial Approaches to Pressing Grand Challenges: Global Pandemics, Climate Change, and Food Security, American Association of Geographers Annual Meeting 2024. Honolulu, Hawai’i, U.S., Apr. 17, 2024. (Jiannan Cai, Mei-Po Kwan) (Link)

• Co-chair, Session on Spatiotemporal Big Data Mining and Knowledge Service in Public Health, 2024 AAG Symposium on Geospatial Approaches to Pressing Grand Challenges: Global Pandemics, Climate Change, and Food Security, American Association of Geographers Annual Meeting 2024. Honolulu, Hawai’i, U.S., Apr. 19, 2024. (Yan Shi, Min Deng, Jiannan Cai, Baoju Liu) (Link)

• Chair, Session on GeoHealth Data Science, 2024 AAG GeoAI and Deep Learning Symposium, American Association of Geographers Annual Meeting 2024. Honolulu, Hawai’i, U.S., Apr. 20, 2024. (Jiannan Cai, Mei-Po Kwan) (Link)

• Chair, Virtual Paper Session on Mobile Sensing and Spatiotemporal Analysis of Human Behavior and Environmental Health, American Association of Geographers Annual Meeting 2022. Virtual, Feb. 25, 2022. (Jiannan Cai, Mei-Po Kwan, Zihan Kan, Jianwei Huang) (Link)

• Co-chair, Virtual Paper Session on Spatial context, human activities and space-time transmission of COVID-19, American Association of Geographers Annual Meeting 2021. Virtual, Apr. 8, 2021. (Zihan Kan, Mei-Po Kwan, Jiannan Cai, Jianwei Huang) (Link)

• Co-chair, Session on Spatiotemporal Behavior and Environmental Health Sensing, The 16th Conference on Spatial Behavior Research and Planning. Virtual, Dec. 12, 2020. (Mei-Po Kwan, Suhong Zhou, Lin Zhang, Zihan Kan, Jiannan Cai)

Journal Reviewer

• Annals of the American Association of Geographers; International Journal of Geographical Information Science; ISPRS Journal of Photogrammetry and Remote Sensing; Computers, Environment and Urban Systems; ACM Transactions on Knowledge Discovery from Data; Cities; International Journal of Applied Earth Observation and Geoinformation; Geographical Analysis; GIScience & Remote Sensing; Transactions in GIS;  Geo-spatial Information Science; Information Sciences; Environmental Research; Science of the Total Environment; Sustainable Cities and Society; International Journal of Digital Earth; Urban Informatics; Global Environmental Change; Sustainable Cities and Society; Big Earth Data; Scientific Reports; PloS one; Transactions in Urban Data, Science, and Technology; International Journal of Environmental Research and Public Health; ISPRS International  Journal of Geo-Information; Sustainability; Statistical Theory and Related Fields; Applied Sciences; Sensors; Toxics; Atmosphere; New Generation Computing; 武汉大学学报（信息科学版）

Membership

• American Association of Geographers

- Spatial Analysis and Modeling Specialty Group

- Geographic Information Science and Systems Specialty Group

- Health and Medical Geography Specialty Group

- Environmental Perception and Behavioral Geography Specialty Group

• International Association of Chinese Professionals in Geographic Information Sciences

• International Geospatial Health Research Network