Sung-Joong Gu

DS Investment & Securities Co., Ltd. (Broker) (DS-Broker) is the brokerage division of DS Investment & Securities Co., Ltd., a group company of DS Networks, which is a real estate developer in South Korea. Headquartered in Seoul, the firm was founded in 2008 and provides securities services to various clients.

Hana Securities Co., Ltd. (Broker) (Hana Securities-Broker) is the securities brokerage division of Hana Securities Co., Ltd., which is owned by Hana Financial Group, Inc. (KRX: 086790) in Korea. The firm was founded in 1977 as Daehan Investment & Securities Co. Ltd. (until 2007), as Hana Daetoo Securities Co., Ltd. (until 2015) and as Hana Financial Investment Co., Ltd. (until 2022). Headquartered in Seoul, Hana Securities-Broker offers trading and execution services to various clients.