Hanzade Vasfiye Dogan Boyner

The Brookings Institution provides research and policy solutions. The firm's activities are carried out through four research programs: economic studies, foreign policy studies, governance studies, and metropolitan policy. The company was founded in 1916 and is headquartered in Washington, DC.

The European Council on Foreign Relations is a research company based in Madrid, Spain. The Spanish company operates as a research company. The private company was founded by Jean-Luc Dehaene and Diego Hidalgo Schnur.

Young Presidents' Organization, Inc. is a global leadership community of over 30,000 chief executives from 142 countries. The non-profit company is based in Irving, TX and has a global presence of subsidiaries in several regions. The company's mission is to help its members become better leaders and better people. The company was founded in 1950 by Ray Hickok, Khalid Mohamed Jassem Kanoo. Thayer Smith has been the CEO of the company since 2007.

Hepsiburada is a leading e-commerce technology platform in Turkey that offers a wide range of products and services to its customers. The private company was founded in Istanbul in 2000 by Hanzade Vasfiye Dogan Boyner, and Nilhan Onal Gökçetekin has been the CEO of the company since 2003. The company is based in Istanbul, Turkey. The Turkish company provides same-day delivery of groceries and essentials, products from international merchants, airline tickets, and payment services through its digital wallet, Hepsipay. Hepsiburada has seamlessly connected 33 million members and approximately 45 thousand active merchants. Hepsiburada is committed to empowering women and has supported over 45.4 thousand female entrepreneurs throughout Turkey to reach millions of customers with their products.

D4 Ventures Uk (D4 Ventures) is a venture capital firm founded in 2020 by Hanzade Vasfiye Dogan Boyner. The firm is headquartered in London, United Kingdom.