Op. Dr. Mustafa Gogun Saygin was born in Merzifon in 1972. He finished secondary school in Karşıyaka Secondary School and high school in İzmir Atatürk High School (1986 -1989) with honors. He won the Marmara University Faculty of Medicine in English (1989 – 1997) (with the best 0.1% grade) with the OSYM exam. After graduating from Marmara University Faculty of Medicine; He passed the TUS exam and worked as a General Surgery Assistant at Istanbul Haydarpaşa Numune Hospital for 8 months, and later won the TUS exam again (April 1998) and  became Chief resident at the Cardiovascular Surgery of Trakya University Faculty of Medicine and worked as a founding assistant between 1998 and 2001. He won the United States USMLE (United States Medical Licensing Examination) specialization exams in 2001 and received the United States Medical Doctor License (ECFMG Diploma), and in 2001 as a Clinical Surgeon (Clinical Fellow) at the Texas Heart Institute in Houston for 1 year. He specialized in vascular surgery. On his return to Turkey, he worked in the field of Cardiovascular Surgery at Uludağ University Faculty of Medicine between 2002-2003. He then worked in state hospitals in Van, Malatya and Bursa for 4 years and performed thousands of successful cardiovascular surgeries. (2003 – 2007) He worked for 6 years (2007-2013) as a Full-time Cardiovascular Surgeon at Çekirge Heart and Arrhythmia Hospital in Bursa and performed approximately 5000 surgical procedures during this period. Later, he was appointed as the founding Operator Doctor to the Cardiovascular Surgery Clinic of Istanbul Şişli Etfal Training and Research Hospital. (2013 – 2016) He continued his career as a Consultant Doctor in various private hospitals for a while. (2016-2019) Operator Doctor Mustafa Göğün Saygın, who performed Cardiovascular and Varicose Veins operations on more than 25,000 patients in various clinics he worked until 2021, throughout his  career, has been working as an active full-time Cardiovascular Surgery Specialist for 25 years.