She graduated from Ankara University Faculty of Languages, History and Geography and Department of Anthropology, Department of Paleoanthropology. She completed his master's degree at Ankara University, Faculty of Social Sciences, Department of Paleoanthropology. She started her artistic work by receiving Illumination and Scientific Botanical Art training from various institutions and workshops, and participated in many exhibitions. She worked as a Scientific Botanical Art Instructor at Nezahat Gökyiğit Botanical Garden. She currently gives private courses and trainings on a freelance basis. She is currently taking part as a Scientific Botanical Artist in the Illustrated Flora of Turkey Project, which started in 2014 to bring together the Flora of Turkiye as an encyclopedia.

*2015-2020 Nezahat Gökyiğit Botanical Garden Scientific Botanical Art Instructor

*In the 2017 Phytotaxa magazine, a decisive Scientific Botanical Art article was included in the article on a newly found Crocus species in Turkey. Crocus heilbronniorum, a new Turkish species of Series Lyciotauri (Iridaceae)

*2019 BizimevTv - My Green World - Episode 10 Scientific Botanical Art and Botanical Artist Kezban Sayar

*My article titled Being a Botanical Artist in the Illustrated Flora of Turkey was published in the first issue of İBB Z Magazine under the title of Plant Painting.

*2014 I worked on İSMEK Classical Arts Specialization Center Turkey's Medicinal Plants Book

Exhibitions:

2007 Bağlarbaşı Cultural Center Exhibition Hall Group Exhibition, Istanbul.

2011 Beyoğlu Municipality Art Gallery Group Exhibition, Istanbul

2011 Journalists Association Exhibition Hall Group Exhibition

2012 Bağlarbaşı Cultural Center Exhibition Hall Group Exhibition, Istanbul

2014 İSMEK Classical Arts Specialization Center Turkey's Medicinal Plants Exhibition, Istanbul.

2014 Fatih Sultan Mehmet University Group Exhibition, Istanbul.

2014 Beyoğlu Teacher's House Exhibition Hall, Group Exhibition, Istanbul.

2017 Nezahat Gökyiğit Botanical Garden Nature Festival Painter House, Group Exhibition, Istanbul.

2017 Group Exhibition within the Scope of "Istanbul New Airport EIA Border Wooden Dunes Protected Area Project in Exile" prepared by Nezahat Gökyigit Botanical Garden, ANG Foundation, İGA and General Directorate of Forestry, Istanbul.

2018 Illustrated Flora of Türkiye Volume 2 Exhibition, Nezahat Gökyiğit Botanical Garden, Istanbul

2018 Tekirdağ Uçmakdere Parachute Festival Thaleia Painter Group Scientific Plant Painting Exhibition, Tekirdağ

2018 Tekirdağ Namık Kemal University Thaleia Group Scientific Plant Painting Exhibition, Tekirdağ.

2019 Illustrated Flora of Turkey 'Turkey Plants Eighty Paintings from Forty Painters' exhibition at Trakya University Faculty of Pharmacy, Edirne.

2019 Kezban Sayar and Her Students 'Breezes from Nature' Segment, Maltepe Municipality, Istanbul

2023-24 Within the scope of the 100th Anniversary of the Republic of Turkey events, Flora Research Association, 'Flowers of Anatolia' mixed Segi with the works of the members of the Plant Painters Commission (BİRET), Hacettepe University Biological Diversity research and application center (HUBİOM), Biosphere Museum, Ankara.

2024 Illustrated Flora of Türkiye Volume 3a-3b Exhibition, Nezahat Gökyiğit Botanical Garden, Istanbul