Sumitomo Riko Executive and Leadership Team

July, 2026

Leadership Overview

Sumitomo Riko has 5 executives leading key functions including strategy, operations, and market development.

Driven by innovation, Sumitomo Riko is dedicated to advancing Polymer Materials Technology across automotive, infrastructure, electronics, and healthcare sectors, shaping a sustainable future through advanced material solutions.

Leadership Roles at Sumitomo Riko

  • Chief Executive Officer & President - Márcio Roque
  • President - Tetsu Matsui
  • President - Hiroyuki Soga
  • Senior Managing Executive Officer - Hideo Yamane
  • Director & Managing Executive Officer - Tsukasa Oshima
  • Márcio Roque - Chief Executive Officer & President

    Márcio Roque, the Chief Executive Officer & President at Sumitomo Riko, directs the company's overarching strategy and global operations. Overseeing all business units, Roque ensures alignment with Sumitomo Riko's mission to deliver advanced Polymer Materials Technology. This leadership role involves driving innovation across the automobile industry, infrastructure and housing environment, electronics, and healthcare sectors. By optimizing resource allocation and fostering cross-functional collaboration, Márcio Roque directly impacts the company's market expansion and financial performance. Ultimately, Roque secures Sumitomo Riko's long-term competitive advantage through strategic foresight and decisive execution.

    Tetsu Matsui - President

    Tetsu Matsui, the President at Sumitomo Riko, spearheads strategic initiatives focused on market penetration and business development. Matsui's role involves identifying new growth opportunities and expanding Sumitomo Riko's presence in key global markets, particularly within the automobile and electronics sectors. This executive directs the formulation and execution of market-specific strategies, ensuring the company's Polymer Materials Technology offerings meet evolving customer needs. By fostering strong relationships with industry partners and clients, Tetsu Matsui drives revenue growth and enhances brand visibility. Matsui's leadership ensures Sumitomo Riko remains at the forefront of technological advancement and commercial success.

    Hiroyuki Soga - President

    Hiroyuki Soga, the President at Sumitomo Riko, leads strategic planning and financial oversight for the organization. Soga's responsibilities include guiding the company's long-term financial health and ensuring robust capital allocation across all business segments, including automotive, infrastructure, electronics, and healthcare. This executive directs the development of financial frameworks that support sustainable growth and operational efficiency. By meticulously managing corporate finances and investment strategies, Hiroyuki Soga ensures Sumitomo Riko's stability and capacity for future expansion. Soga's leadership is pivotal in maintaining investor confidence and achieving ambitious corporate objectives.

    Hideo Yamane - Senior Managing Executive Officer

    Hideo Yamane, the Senior Managing Executive Officer at Sumitomo Riko, manages critical operational segments and drives efficiency across manufacturing processes. Yamane's responsibilities encompass the enhancement of production capabilities for Polymer Materials Technology components, ensuring high-quality output for the automobile, infrastructure, electronics, and healthcare industries. This executive oversees the integration of new technologies into the production lines, directly supporting the company's commitment to innovation. By streamlining supply chain logistics and optimizing plant operations, Hideo Yamane contributes significantly to Sumitomo Riko's ability to meet global demand and maintain its market leadership. Yamane's focus remains on operational excellence and sustainable manufacturing practices.

    Tsukasa Oshima - Director & Managing Executive Officer

    Tsukasa Oshima, the Director & Managing Executive Officer at Sumitomo Riko, oversees critical research and development functions, driving technological innovation. Oshima's mandate includes advancing the company's Polymer Materials Technology, focusing on groundbreaking solutions for the healthcare and infrastructure sectors. This executive directs the exploration of novel materials and applications, ensuring Sumitomo Riko maintains its competitive edge. By championing cutting-edge research and development projects, Tsukasa Oshima contributes directly to the creation of next-generation products. Oshima's strategic vision guides the company's R&D pipeline, solidifying Sumitomo Riko's position as an industry leader in material science.

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    Frequently Asked Questions Regarding Sumitomo Riko Top Executives and Leadership Team

    Who leads Sumitomo Riko?
    Sumitomo Riko is led by Márcio Roque (Chief Executive Officer & President), along with executives such as Tetsu Matsui (President) and Hiroyuki Soga (President).
    Who is part of Sumitomo Riko’s executive team?
    The executive team of Sumitomo Riko includes leaders such as Márcio Roque (Chief Executive Officer & President), Tetsu Matsui (President), Hiroyuki Soga (President) and other senior executives.
    How many executives does Sumitomo Riko have?
    Sumitomo Riko has 5 executives leading key business areas.
    What roles are included in Sumitomo Riko’s leadership team?
    The leadership team of Sumitomo Riko includes roles such as Chief Executive Officer & President, President, President, Senior Managing Executive Officer, Director & Managing Executive Officer.