Dr. Kayyali is a graduate of Aleppo University, Syria in 1974. He specialized in Pediatrics with a sub-specialty in Neonatology from Hannover University, Germany in 1983. He practiced medicine in Hamad Hospital, Qatar for 10 years before moving to the private sector and started the Al Kayyali practice in 1994. Through Dr. Kayyali’s vision, the practice grew in the last 20 years to include 15 doctors of various specializations. Dr. Kayyali is an active member of the medical community also having written many articles published in medical journals. He also hosted a television show focusing on medicine in Qatar. He also published his book "The Wonders in Child Nutrition" as a guide for mothers and parents.