Our Staff
Meet the people behind COJIA Steel Group Ltd. Our leadership and staff team bring together decades of combined experience in steel coil manufacturing, quality control, and international sales to support customers and partners around the world, including our growing network of North American representatives.
Haruto Chūjirō
Chief Executive Officer
As Chief Executive Officer, Haruto Chūjirō leads COJIA Steel Group's overall strategy and operations, guiding the company's growth as a leading manufacturer of pre-painted and coated steel coil based in Chiba, Japan. With a strong focus on product quality and long-term customer partnerships, Haruto oversees the company's expansion into new international markets, including the development of COJIA's representative network in North America.
Koji Fuku
Representative Director
Koji Fuku serves as Representative Director of COJIA Steel Group, working closely with the CEO to oversee corporate governance, business development, and strategic partnerships. Koji plays a key role in maintaining COJIA's reputation for reliability and product supply guarantees, while helping to build strong, lasting relationships with customers and partners worldwide.
Hoshiko Katsumi
Foreign Representative Director
As Foreign Representative Director, Hoshiko Katsumi leads COJIA Steel Group's engagement with international markets and overseas partners. Hoshiko is instrumental in coordinating the company's overseas representative programs, including its North American sales network, ensuring smooth communication and alignment between COJIA's factory operations in Japan and its partners abroad.
Ms. Toyoji Haruki
Account Manager
Ms. Toyoji Haruki manages COJIA Steel Group's client accounts, handling billing, payment coordination, and day-to-day account support for customers and representatives. She is a key point of contact for accounts and administrative matters, helping ensure a smooth and professional experience for everyone who works with COJIA.
Hayato Haruto
Sales Director
Hayato Haruto directs COJIA Steel Group's global sales efforts, leading the team responsible for customer acquisition, product inquiries, and the ongoing growth of the company's representative network across international markets. Hayato works closely with the sales team to match customers with the right coated steel coil products, including PPGI, PPGL, Galvanized, Galvalume, ZAM, and Prepainted Aluminum lines.
Mr. Joseph Modesto
Customer Service Representative
Joseph Modesto is the first point of contact for customer inquiries at COJIA Steel Group, providing prompt, friendly, and knowledgeable support to customers and partners. Joseph helps route inquiries to the right department and ensures every customer receives clear, timely information about COJIA's products and services.
Daiki Tomi
Head of Quality Control
COJIA Steel Group maintains a dedicated Quality Control function overseeing inspection and testing across every stage of coil production.
Emiko Haruki
North America Representative Program Manager
Given COJIA's growing North American representative program, program manager could serve as the direct contact for current and prospective representatives, handling onboarding, agreements, and ongoing support.
Note: photo files are linked by last name (e.g. images/chujiro.jpg). Placeholder images are shown above — replace the files in the Staffs/images/ folder with the same file names to update each staff member's passport photo. The two dashed cards above are suggested additions only; update or remove them once names are confirmed.