Thirunavukkarasu, D.: - Dr. D. Thirunavukkarasu specialized in Veterinary and Animal Husbandry Extension Education and is currently serving as Scientist, Farm Science Centre of Tamil Nadu Veterinary and Animal Sciences University, India located at Kallakurichi, Tamil Nadu. He has published peer-reviewed articles, book chapters and farm literatures. He has played a critical role in strengthening livestock-based livelihoods through technology transfer activities. In similar capacities, he has been associated with International Livestock Research Institute (ILRI), Centre for Monitoring Indian Economy (CMIE) and Indo-UK and DFID programs of RIVER, Puducherry in the past. He was a team member in establishing of Farm Science Centre(s) of Tamil Nadu Veterinary and Animal Sciences University, India. His current work focuses on socio-economic and behavioral factors driving adoption and diffusion of promoted technologies in the livestock sector. At his current workplace, he has been principal investigator /co-principal investigators for various research programs on technology transfer. He also has served as Chairman / members in advisory committee of masters and PhD students.