Dr. Arjan Aydin Zainal Abdulbaqi Kaddak, born on August 17, 1978, in Kirkuk, Iraq, earned his Bachelor's degree in Veterinary Medicine from Baghdad University in 2001. He completed a postgraduate diploma in Veterinary Internal Medicine in 2004 and obtained a Master's degree in Microbiology from Tikrit University in 2011. Currently, he is pursuing a PhD in Microbiology at Al-Nahrain University. He started his teaching career in 2006 and has been a lecturer at Al-Nahrain University since 2017. Dr. Kaddak has participated in several scientific conferences and authored research on the effects of plant extracts on bacteria. He has also led training courses in veterinary medicine and microbiology.