Dr. Shamsuddin Ahmad mendapat pendidikan Diploma Kesiahatan Haiwan dan Penternakan daripada UPM dalam tahun 1976. Mula berkerja di Pusat Pengembangan dan Pendidikan Lanjutan UPM sebagai Pegawai Pengembangan. Selepas lima tahun Dr. Shamsuddin telah melanjutkan pelajaran di peringkat Bacelor Sains Haiwan dan Master Sains Pendidikan Pengembangan di University of Tennessee di USA. Sekembali ke tanah dalam tahun 1986 air Dr. Shamsuddin dilantik sebagai pensyarah di Pusat yang sama. Dr. Shamsuddin menyambung pengajian di peringkat kedoktoran dan mendapat Doktor Falsafah Pendidikan bidang Pendidikan Dewasa dan Pendidikan Lanjutan daripada University of Georgia USA. Dr. Shamsuddin telah melibatkan diri dalam pengajaran kursus di universiti dalam bidang Latihan dan Pembangunan, Penilaian Laithan, Pendidikan Profesional Lanjutan, Program Perancangan, dan Kajian Kualitatif. Selain daripada itu beliau juga terlibat dalam merancang, melaksana, dan menilai program latihan yang dijalankan oleh pihak swasta dan kerajaan. Bidang penyelidikan dan penerbitan Dr. Shamsuddin ditumpukan kepada bidang Latihan dan Pembangunan dan Penilaian.

Dr. Shamsuddin Ahmad completed his Diploma in Animal Health and Production from UPM in 1976. His career started when he joined Extension Centre and Continuing Education UPM as Extension Officer. After five years, Dr. Shamsuddin pursued degree in Animal Science and Master Science Extension Education at University of Tennessee, USA. After graduated in 1986, he was appointed as lecturer at Extension Centre. Then, he pursued doctoral degree and completed his study in the area of Adult and Continuing Education from University of Georgia USA. He has been involved in teaching in the area of Training and Development, Training Evaluation, Continuing Professional Education, Program Planning and Qualitative Research. He has also been involved in planning, conducting and evaluating training programs for private group and government. His research and publication in the related areas of Training and Development and Evaluation.

• Vikineswaran A., Jegak Uli, Rahim Md. Sail, & Shamsuddin Ahmad (2006). The organizational and individual learning among managers.  In  Maimunah Ismail et.al (Eds.), Proceeding of Fifth Asian Conference of the Academy of HRD 2006. Serdang: Universiti Putra Malaysia.

• Parricia Lau Yin Yin, Turiman Suandi, Shamsuddin Ahmad, Azahari Ismail and Bahaman Abu Samah (2006). Will work environment mediate training design and implementation and participant characteristics on training effectiveness?  In  Maimunah Ismail et. al (Eds.), Proceeding of Fifth Asian Conference of the Academy of HRD 2006. Serdang: Universiti Putra Malaysia.

• Das, Balan, & Shamsuddin Ahmad (2006). Contextual factors associated with continuing professional education practices of selected professional providers in Malaysia.  In  Maimunah Ismail et. Al (Eds.), Proceeding of Fifth Asian Conference of the Academy of HRD 2006. Serdang: Universiti Putra Malaysia.

• Jane Teng Yan Fang, & Shamsuddin Ahmad (2006).  Attitudes, skills and knowledge needs of women teachers in ICT application.  In  Maimunah Ismail et.al (Eds.), Proceeding of Fifth Asian Conference of the Academy of HRD 2006. Serdang: Universiti Putra Malaysia.

• Maimunah Ismail, AAhad M. Osman-Gani, Shamsuddin Ahmad, Abdul Lateef Abdullah, Ismi Arif Ismail, & Jamilah Othman (Editors) (2006). Proceeding of  Fifth Asian Conference of the Academy of HRD. Serdang, Universiti Putra Malaysia