- Yeo Kee Jiar (2018). Keynote speaker: Broadening Intervention Programs in Malaysia. National Seminar organized by Down Syndrome Association of Malaysia: Ïmportant Steps in Preparing Down Syndrom Children Towards Independent Living and Contributing to National Development.
- Yeo Kee Jiar and Lee Shih Hui (2018). Plenary Speaker. Effort of NGO in Promoting Comprehensive Sexuality Education to Improve Quality of Life among Local and Refugee Communities: An Exploration of NGO Perspective in Malaysia. 4th Universitas Ahmad Dahlan International Conference on Public Health (UPHEC). Yogyakarta Indonesia, 27 February 2018.
- Yeo Kee Jiar and Lee Shih Hui (2018). Plenary Speaker. Qualitative Research. 4th Universitas Ahmad Dahlan International Conference on Public Health (UPHEC). Yogyakarta Indonesia, 28 February 2018.
- Yeo Kee Jiar (2017). Invited speaker. Peranan Ibu Bapa dalam Menggalakkan Anak Menggunakan Mainan dan Buku untuk Membina Kemahiran Membaca dan Berfikir. Parit Yaani, Batu Pahat. 30 Mei 2017.
- Yeo Kee Jiar (2016). Invited speaker. Construcitng Examination Questions. Universiti Tenaga Nasional.
- Yeo Kee Jiar (2016). Keynote speaker: 3rd International Education Postgraduate Seminar (IEPS), UTM, Johor Bahru, 18-19 December 2016.
- Kee Jiar-Yeo and Pei-Fern Ng (2016). Keynote speaker: Literacy Intervention for Preschool Children At Risk of Literacy Difficulties in Malaysia. International Seminar Huizhou University China, HZU, and UTM. 14 September 2016: Huizhou University, Shenzen, China.
- Yeo Kee Jiar (2015). Invited speaker. Wacana Bahasa: Penulisan Surat Rasmi dan Minit Mesyuarat. Jabatan Pertahanan Awam Negeri Johor, 10-11 Februari 2015.
- Yeo Kee Jiar (2015). Invited speaker. Wacana Bahasa: Penulisan Surat Rasmi dan Minit Mesyuarat. Majlis Bandaraya Johor Bahru, 24-25 Februari 2015.
- Yeo Kee Jiar (2014). Keynote speaker: The Role of Government and NGO in Promoting Wellness of People with Down Syndrome Practice in Malaysia. International Conference of Public Health, Universitas Ahmad Dahlan, Yogyakarta. 10-11 Mei 2014.
- Yeo Kee Jiar (2014). Invited speaker. Project-based learning : Application in Course Work. Organized by Institut Pendidikan Guru, Kampus Tun Hussein Onn Batu Pahat, Johor. 17 November 2014.
- Yeo Kee Jiar (2012). Keynote speaker: “Transisi dan Kerjaya untuk Sindrom Down” in Seminar Pembangunan dan Hari Keluarga Sindrom Down Peringkat Kebangsaan 2012, Alor Setar, Kedah. Dirasmikan oleh YTM Tunku Panglima Besar Kedah Dato’ Seri DiRaja Tan Sri Tunku Puteri Intan Safinaz binti KDYMM Tuanku Haji Abdul Halim Mu`adzam Shah, DKH., DKYR., SHMS., SSDK., PSM., PAT., JP., Hon.PhD(UUM)., Hon.PhD.(KUIN), Ahli Jemaah Pemangku Sultan Kedah Darul Aman ).
- Yeo Kee Jiar (2012). Keynote speaker: “Latihan Pravokasional untuk Sindrom Down” in Seminar Pembangunan dan Hari Keluarga Sindrom Down Peringkat Kebangsaan 2012, Alor Setar, Kedah. Dirasmikan oleh YTM Tunku Panglima Besar Kedah Dato’ Seri DiRaja Tan Sri Tunku Puteri Intan Safinaz binti KDYMM Tuanku Haji Abdul Halim Mu`adzam Shah, DKH., DKYR., SHMS., SSDK., PSM., PAT., JP., Hon.PhD(UUM)., Hon.PhD.(KUIN), Ahli Jemaah Pemangku Sultan Kedah Darul Aman ).
- Yeo Kee Jiar (2010). Keynote speaker: “Care for Persons with Down Syndrome” in Seminar Pengurusan Anak Sindrom Down anjuran Persatuan Sindrom Down Malaysia “1 Dunia 1 Harapan” pada 20 Mac 2010, dirasmikan oleh YB Dato’ Sri Sharizat Abdul Jalil, Menteri Pembangunan Wanita, Keluarga dan Masyarakat