Sina is a Serial Entrepreneur and Co-Founder, Chairman and CEO of Markafoni. Markafoni established zizigo.com as well as Misspera.com and acquired enmoda.com.

The Naspers Group acquired in July 2011 a majority stake at Markafoni and signed for one of the biggest deals in the Turkish internet. In 2014 Naspers acquired the remaining shares.

Sina is also an active Business Angel and invests in early stage start-ups. He is founding member of Galata Business Angels. Sina is also Board Member of Endeavor Turkey, Board Member of “Türkiye Bilişim Vakfı” (TBV) and Member of TOBB (Girişim Sermayesi Meclisi Asbaşkanı ve Genç Girişimciler Üst Konseyi Üyesi) and TÜSİAD Member. He founded the Entrepreneurship Foundation in 2014 as a give back to the society in Turkey.

Sina has been elected as the “Internet Entrepreneur of the Year” and “Business Angel of the Year” in Turkey. Sina was also selected (2014 and 2015) to the Top 100 most influential tech people Europe (Wired Magazine).

Prior to Markafoni, Sina spent more than 5 years with eBay and 12 years with KPMG. Sina received a “Diplom Kaufmann” from Münster University and speaks five languages.