Du-Hyoung Ryoo
Chief Executive Officer at HANWHA SOLUTIONS CORPORATION
Network origin in Du-Hyoung Ryoo first degree
| Entity | Entity type | Industry | |
|---|---|---|---|
| Public Company | Semiconductors | 24 | |
Hanwha Q CELLS Advanced Materials Co., Ltd.
 Hanwha Q CELLS Advanced Materials Co., Ltd. Chemicals: SpecialtyProcess Industries Hanwha Q CELLS Advanced Materials Co., Ltd. engages in the manufacture of synthetic resin and polymer composites. The company was founded on September 2, 2019 and is headquartered in Sejong, South Korea.
6
| Subsidiary | Chemicals: Specialty | 6 |
Hanwha Total Energy Co., Ltd.
 Hanwha Total Energy Co., Ltd. Chemicals: Major DiversifiedProcess Industries Hanwha Total Petrochemical Co., Ltd. manufactures building block chemicals. It produces polymer, ethylene, polypropylene, and polyethylene chemicals. The company was founded in May 1988 and is headquartered in Seosan, South Korea.
3
| Joint Venture | Chemicals: Major Diversified | 3 |
Chart of Companies connected to the second degree
Multi-company connection
Companies connected to Du-Hyoung Ryoo via their personal network
| Company | Sector | Related people | Main position |
|---|---|---|---|
Harvard University
 Harvard University Other Consumer ServicesConsumer Services Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA. | College/University | Undergraduate Degree Undergraduate Degree | |
| HANWHA CORPORATION | Industrial Specialties | Chief Executive Officer Chief Executive Officer Director/Board Member | |
| HUNEED TECHNOLOGIES | Computer Communications | Comptroller/Controller/Auditor | |
| HANWHA GENERAL INSURANCE CO., LTD. | Property/Casualty Insurance | Director/Board Member | |
| HANWHA GALLERIA TIMEWORLD CO., LTD. | Department Stores | Chief Executive Officer Director/Board Member | |
| HANSOL CHEMICAL CO., LTD. | Chemicals: Major Diversified | Director/Board Member | |
| HAATZ INC. | Industrial Machinery | Director/Board Member | |
| REC SILICON ASA | Chemicals: Specialty | Chairman | |
| The University of Chicago | College/University | Undergraduate Degree | |
| University of Wisconsin | College/University | Doctorate Degree | |
Hanwha Advanced Materials Corp.
 Hanwha Advanced Materials Corp. Chemicals: SpecialtyProcess Industries Hanwha Advanced Materials Corp. develops and manufactures materials for industries, including automobile, electronic and solar industry. Its products include glass fiber mat thermoplastics, ethylene vinyl acetate sheets and flexible copper clad laminate. The company was founded on July 1, 1999 and is headquartered in Seoul, South Korea. | Chemicals: Specialty | Chief Executive Officer Director/Board Member Comptroller/Controller/Auditor | |
Hanwha Hotels & Resorts Co., Ltd.
 Hanwha Hotels & Resorts Co., Ltd. Hotels/Resorts/Cruise linesConsumer Services Hanwha Hotels & Resorts Co., Ltd. provides accommodation and leisure services. It offers hotels, resorts, golf courses, horse riding, theme parks, water parks, aquariums, restaurants, and catering services. The company was founded on March 20, 1979 and is headquartered in Seoul, South Korea. | Hotels/Resorts/Cruise lines | Director/Board Member | |
| Yonsei University | College/University | Undergraduate Degree Undergraduate Degree Graduate Degree Undergraduate Degree | |
| Nagoya University | College/University | Undergraduate Degree | |
| Seoul National University | College/University | Undergraduate Degree Undergraduate Degree Undergraduate Degree Corporate Officer/Principal Undergraduate Degree | |
| Pusan National University | College/University | Undergraduate Degree | |
| Korea University | College/University | Undergraduate Degree Undergraduate Degree | |
| MIXI, INC. | Packaged Software | Director/Board Member | |
| Sogang University | College/University | Undergraduate Degree Undergraduate Degree | |
| Konkuk University | College/University | Undergraduate Degree | |
| AUCFAN CO., LTD. | Internet Software/Services | Director/Board Member | |
| HANWHA GALLERIA CO., LTD. | Department Stores | Chief Executive Officer Chief Executive Officer Comptroller/Controller/Auditor | |
United Service Organizations, Inc.
 United Service Organizations, Inc. Miscellaneous Commercial ServicesCommercial Services United Service Organizations, Inc. provides governmental support programs and services. The firm's programs aim to support the morale, welfare, social and entertainment needs of federal troops and its families. The company was founded in 1941 and is headquartered in Arlington, VA. | Miscellaneous Commercial Services | Corporate Officer/Principal | |
| Korea Management Association | Corporate Officer/Principal | ||
| The Federation of Korean Industries | Corporate Officer/Principal | ||
Vortex Co., Ltd.
 Vortex Co., Ltd. Real Estate DevelopmentFinance Vortex Co., Ltd. engages in asset management consulting and property investment. Its services include real estate development, buy and sell, brokerage, and leasing. The company was founded by Fumihiko Miyazawa on April 13, 1999 and is headquartered in Tokyo, Japan. | Real Estate Development | Director/Board Member | |
Neo Career Co., Ltd.
 Neo Career Co., Ltd. Miscellaneous Commercial ServicesCommercial Services Neo Career Co., Ltd. provides human resource and staffing dispatch services. Its services include job hunting support, scouting service, shared space for candidates, and job transfer support for experienced professionals, information technology engineers, nurses, and doctors. The firm also offers temporary staffing services. The company was founded on November 15, 2000 and is headquartered in Tokyo, Japan. | Miscellaneous Commercial Services | Director/Board Member | |
| HANWHA SYSTEMS CO., LTD. | Aerospace & Defense | Director of Finance/CFO | |
| Korea-Japan Economic Association | Corporate Officer/Principal | ||
| Korea Youth Federation | Director/Board Member | ||
| Korea-US Friendship Conference | Director/Board Member | ||
| Korean Business Managers Association | Corporate Officer/Principal | ||
| Korea Bang Jeong Hwan Foundation | Director/Board Member | ||
| Pohang University | College/University | Graduate Degree | |
| HANWHA Q CELLS CO LTD - ADR | Electrical Products | Director/Board Member Corporate Officer/Principal | |
Outsourcing Technology, Inc.
 Outsourcing Technology, Inc. Electronic Production EquipmentElectronic Technology Out-sourcing Technology, Inc. researches and develops electronics, electronic equipment, and software. It also deals with employment placement services and technical solutions. The company was founded in December 2004 and is headquartered in Tokyo, Japan. | Electronic Production Equipment | Director/Board Member | |
| ALTON CO.,LTD. | Motor Vehicles | Director/Board Member | |
Hanwha Q Cells Korea Corp.
 Hanwha Q Cells Korea Corp. SemiconductorsElectronic Technology Hanwha Q Cells Korea Corp. manufactures solar modules and offers solar energy related installations and constructions services. It also distributes electricity generated through solar power plants. The company was founded on April 5, 2011 and is headquartered in Seoul, South Korea. | Semiconductors | Sales & Marketing Chief Executive Officer Director/Board Member | |
| Dikaion Law Group | General Counsel | ||
| University of Colorado Denver | College/University | Graduate Degree | |
Hanwha Impact Corp.
 Hanwha Impact Corp. Chemicals: SpecialtyProcess Industries Hanwha General Chemicals Co., Ltd. engages in the manufacture and sale of purified terephthalic acid. The company was founded on May 19, 1988 and is headquartered in Ulsan, South Korea. | Chemicals: Specialty | Chief Executive Officer | |
| I-MOBILE CO.,LTD. | Packaged Software | Director/Board Member | |
Yoriso Co., Ltd.
 Yoriso Co., Ltd. Other Consumer ServicesConsumer Services Yoriso Co. Ltd. engages in the internet media business. It operates a funeral service portal that offers different services related to funerals, from flowers to different funeral ceremonies. The company was founded by Masashi Akita and Masaharu Ashizawa in March 2009 and is headquartered in Tokyo, Japan. | Other Consumer Services | Director/Board Member | |
| University of Texas at Austin Graduate School | College/University | Graduate Degree | |
Bio X Co., Ltd.
 Bio X Co., Ltd. Miscellaneous Commercial ServicesCommercial Services Bio X Co., Ltd. engages in the manufacture and sale of medical devices. The company was founded on February 19, 2019 and is headquartered in Seoul, South Korea. | Miscellaneous Commercial Services | Director/Board Member | |
Hanwha Global Asset Corp.
 Hanwha Global Asset Corp. Chemicals: SpecialtyProcess Industries Part of HANWHA SOLUTIONS CORP., Hanwha Global Asset Corp. manufactures synthetic resins and plastic materials. The company is based in Sejong, South Korea. The CEOs are Jeong-Pyo Seo, Kyung-Hoi Cho. The South Korean company was founded in 1999. | Chemicals: Specialty | Director/Board Member Chief Executive Officer | |
Sandbrook Capital Management LLC
 Sandbrook Capital Management LLC Investment ManagersFinance SandBrook Capital Management LLC (Sandbrook Capital) is a private equity firm founded in 2021. The firm is headquartered in Stamford, Connecticut. | Investment Managers | Consultant / Advisor | |
Hanwha Chemical Overseas Holdings Co., Ltd.
 Hanwha Chemical Overseas Holdings Co., Ltd. Financial ConglomeratesFinance Part of HANWHA SOLUTIONS CORP., Hanwha Chemical Overseas Holdings Co., Ltd. operates as a holding South Korean company which provides management consulting services. Sang-Heum Han has been the CEO of the company since 2017. | Financial Conglomerates | Director/Board Member | |
Hanwha Q CELLS GmbH
 Hanwha Q CELLS GmbH SemiconductorsElectronic Technology Hanwha Q CELLS GmbH engages in the development, production, and distribution of components for renewable power generation. It also provides the associated services. The company was founded on May 3, 2012 and is headquartered in Bitterfeld-Wolfen, Germany. | Semiconductors | Corporate Officer/Principal |
Statistics
International
| South Korea | 34 |
| Japan | 9 |
| United States | 8 |
| Norway | 2 |
| Germany | 2 |
Sectoral
| Consumer Services | 16 |
| Process Industries | 7 |
| Electronic Technology | 6 |
| Finance | 6 |
| Technology Services | 4 |
Operational
| Director/Board Member | 58 |
| Corporate Officer/Principal | 25 |
| Chief Executive Officer | 19 |
| Undergraduate Degree | 19 |
| Independent Dir/Board Member | 14 |
Most connected contacts
| Insiders | |
|---|---|
| Seung-Yeon Kim | 33 |
| Jeong-Ho Seo | 10 |
| Satoshi Shima | 9 |
| Dong-Kwan Kim | 7 |
| Koo-Yung Lee | 6 |
| An-Sig Yun | 6 |
| Eun-Soo Kim | 4 |
| Dong-Gwan Kim | 4 |
| Gil-Seob Lee | 4 |
| Hee-Chul Kim | 3 |
| Seung-Duk Park | 3 |
| Sung-Joo Yoo | 3 |
| Ji-Hyung Park | 3 |
| Kyeong-Won Moon | 3 |
| Jeong-Pyo Seo | 3 |
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