He was born in 1977 in Adana. He completed his primary, secondary and high school education in Adana. Eser Ağar, who began his medical education at Ankara University Faculty of Medicine in 1995, received training in aesthetic and reconstructive surgery at the Plastic Surgery Clinic of Çukurova University Faculty of Medicine during the summer months and developed himself.
After 6 years of medical education, he graduated in 2001. In 2002, he began his specialty training in Obstetrics and Gynecology at the Obstetrics and Gynecology Clinic of Istanbul Şişli Etfal Training and Research Hospital. In 2006, he was assigned to the Perinatology Department of Istanbul University Çapa Faculty of Medicine.
After completing his work there, he returned to Şişli Etfal Hospital and completed his specialty training. He carried out his compulsory service at Şanlıurfa Siverek State Hospital. In 2008, he did his military service at Kayseri Military Hospital.
Between 2009 and 2010, he worked at Sultançiftliği Bahat Hospital and then at Medicana International Hospital.
Because of his interest in aesthetic surgery, he went to Los Angeles, United States, in 2011. Together with the world-renowned Dr. Red Alinsod, he carried out work on labiaplasty, labia majora aesthetics, clitoral aesthetics, hymenoplasty, vaginal rejuvenation and vaginal tightening in the field of genital area aesthetics.
After returning from the United States, he worked at Silivri Anadolu Hospital and Silivri Medical Park Hospital. In order to increase the quality and standard of the service he offers to his patients, since June 2017 he has been serving his patients at the women's health unit he established himself.
In 2016, he received the title of Assistant Professor. He continues his academic work at Istanbul Gelişim University.
His work on HPV has been published as articles in international journals and presented as papers at various congresses. The book chapter containing his work on laser applications and their effectiveness in HPV treatment was published as a chapter in the book "Current Obstetrics and Gynecology" by Akademisyen Publishing House, which has international publisher status.
Setting out from the fact that the HPV virus affects more people every day all over the world, he has focused on the topic of the HPV virus and the diagnosis, treatment, follow-up and prevention of genital warts. Because the HPV virus is generally a virus that affects couples, it is essential that it be treated in a holistic manner. With this need, he has also taken on the HPV-related treatments of male patients.
Since 2025, he has also begun providing services at his clinic in Tirana, the capital of Albania.