Kemin Executive and Leadership Team

September, 2026

Leadership Overview

Kemin has 10 executives leading key functions including strategy, marketing, finance, human resources, and regional operations.

Driven by a commitment to nutritional science, Kemin delivers innovative chemical formulations that enhance product quality and safety across global food, feed, and health markets.

Leadership Roles at Kemin

  • Chief Executive Officer - Hai Tan
  • Chief Financial Officer - Patrick Wood
  • Group Chief Financial Officer - John Waterson
  • Country President - Wut Hirunpatrawong
  • Country President MY and SG and BN - Thompson Tan
  • President - Joao Gomes
  • Group President - David Raveyre
  • Group President - G.S. Ramesh
  • Chief Marketing Officer - Karen Li
  • Chief People Officer - Kannan Raghavan
  • Hai Tan - Chief Executive Officer

    Hai Tan, the Chief Executive Officer at Kemin, directs the overarching strategic vision for the global chemical manufacturing enterprise. Overseeing the development of nutritional ingredients, the Chief Executive Officer ensures that all research and development initiatives align with the core mission of improving product efficacy. This leadership role involves managing complex manufacturing operations across North America, Europe, Asia, and Australia to maintain consistent quality standards. By fostering innovation in chemical formulations, Hai Tan drives the company toward sustainable growth in competitive consumer and industrial markets. The Chief Executive Officer collaborates with the board to refine long-term objectives while maintaining the high safety benchmarks expected by global clients. Through rigorous oversight of international business units, the Chief Executive Officer secures the market position of the organization as a leader in nutritional science and chemical manufacturing excellence.
    Hai Tan

    Patrick Wood - Chief Financial Officer

    Patrick Wood, the Chief Financial Officer at Kemin, manages the fiscal health and capital allocation strategies for the global chemical manufacturing operations. Overseeing financial planning, the Chief Financial Officer ensures that investments in nutritional science research and manufacturing infrastructure yield optimal returns. This leadership role involves monitoring the economic performance of business units across North America, Europe, and Asia to maintain robust profitability. By implementing rigorous financial controls, Patrick Wood drives operational efficiency and supports the long-term sustainability of the company. The Chief Financial Officer collaborates with executive leadership to assess risk and capitalize on emerging opportunities within the chemical ingredient sector. Through precise financial reporting and strategic budgeting, the Chief Financial Officer provides the necessary resources to fuel innovation, ensuring the organization remains a dominant force in the global market for high-quality nutritional ingredients.
    Patrick Wood

    John Waterson - Group Chief Financial Officer

    John Waterson, the Group Chief Financial Officer at Kemin, oversees the consolidated financial reporting and treasury functions for the international manufacturing network. Managing the capital structure, the Group Chief Financial Officer ensures that the company maintains liquidity to support large-scale production of nutritional ingredients. This leadership role involves coordinating financial strategies across diverse geographic regions, including Australia and Europe, to optimize tax efficiency and currency management. By analyzing the cost-effectiveness of chemical manufacturing processes, John Waterson drives improvements in margin performance. The Group Chief Financial Officer works closely with regional finance teams to standardize accounting practices and ensure compliance with global regulatory requirements. Through meticulous oversight of the balance sheet, the Group Chief Financial Officer supports the strategic expansion of the company, providing the financial stability required to advance the mission of delivering superior nutritional science solutions.

    Wut Hirunpatrawong - Country President

    Wut Hirunpatrawong, the Country President at Kemin, manages the operational execution and market growth within the designated regional territory. Overseeing local manufacturing and distribution, the Country President ensures that the nutritional ingredients produced meet the specific quality and safety standards of the local market. This leadership role involves navigating regional regulatory landscapes and building strong relationships with key industrial partners. By optimizing the local supply chain, Wut Hirunpatrawong drives efficiency and ensures the timely delivery of chemical formulations to clients. The Country President coordinates with global leadership to implement corporate strategies while adapting to local consumer needs. Through proactive market development and operational oversight, the Country President secures the regional footprint of the company, contributing significantly to the overall success of the organization in the competitive landscape of nutritional science and chemical manufacturing.

    Thompson Tan - Country President MY and SG and BN

    Thompson Tan, the Country President MY and SG and BN at Kemin, directs the business operations and strategic expansion across Malaysia, Singapore, and Brunei. Overseeing the regional sales and distribution of nutritional ingredients, the Country President ensures that the company maintains a strong presence in these key Southeast Asian markets. This leadership role involves managing local teams to deliver high-performance chemical formulations to the food and feed industries. By identifying unique market opportunities, Thompson Tan drives revenue growth and enhances the reputation of the company as a trusted provider of health-related products. The Country President collaborates with regional stakeholders to ensure that all operations align with global quality standards. Through effective local management and strategic planning, the Country President strengthens the market position of the organization, ensuring consistent delivery of innovative solutions to clients across the assigned territories.

    Joao Gomes - President

    Joao Gomes, the President at Kemin, oversees the execution of business strategies for specific product divisions within the global chemical manufacturing portfolio. Managing the lifecycle of nutritional ingredients, the President ensures that research-backed solutions effectively address the needs of the food and health sectors. This leadership role involves coordinating cross-functional teams to accelerate the development and commercialization of new chemical formulations. By monitoring performance metrics, Joao Gomes drives continuous improvement in product quality and operational efficiency. The President works closely with the executive team to align divisional goals with the overarching mission of the company. Through strategic oversight of production and sales, the President ensures that the organization remains competitive in the global market. By fostering innovation and maintaining high standards of efficacy, the President supports the long-term growth and market leadership of the company in the nutritional science industry.

    David Raveyre - Group President

    David Raveyre, the Group President at Kemin, directs the strategic operations and business development for a major segment of the global chemical manufacturing enterprise. Overseeing the integration of nutritional science into industrial applications, the Group President ensures that the company delivers high-value solutions to international clients. This leadership role involves managing large-scale manufacturing initiatives and expanding the market reach of the organization across multiple continents. By driving innovation in chemical formulations, David Raveyre supports the development of products that enhance the performance of consumer goods. The Group President collaborates with other senior leaders to refine the global strategy and ensure operational excellence. Through rigorous oversight of business performance and a focus on customer-centric solutions, the Group President strengthens the competitive position of the company, ensuring sustained growth and impact within the global nutritional ingredient market.

    G.S. Ramesh - Group President

    G.S. Ramesh, the Group President at Kemin, manages the strategic direction and operational performance of key business units focused on nutritional ingredients. Overseeing the development of specialized chemical formulations, the Group President ensures that the company meets the evolving demands of the global food and health industries. This leadership role involves optimizing manufacturing processes and supply chain logistics to maintain high standards of product efficacy and safety. By leading cross-regional initiatives, G.S. Ramesh drives the expansion of the company into new markets and strengthens existing client relationships. The Group President works with the executive team to align divisional objectives with the broader corporate mission of improving quality through science. Through effective leadership and a focus on innovation, the Group President ensures that the organization remains a leader in the chemical manufacturing sector, delivering consistent value to customers worldwide.

    Karen Li - Chief Marketing Officer

    Karen Li, the Chief Marketing Officer at Kemin, architects the global brand strategy for nutritional ingredients and health-related products. Overseeing market positioning, the Chief Marketing Officer ensures that the value proposition of chemical formulations reaches diverse consumer and industrial sectors effectively. This leadership role involves analyzing international market trends to identify growth opportunities across North America, Europe, and Asia. By aligning marketing campaigns with the technical strengths of the company, Karen Li drives demand for high-efficacy solutions that improve product performance. The Chief Marketing Officer coordinates with regional teams to tailor messaging for specific geographic needs, ensuring consistent brand identity. Through data-driven insights and strategic communication, the Chief Marketing Officer expands the reach of the organization, ultimately strengthening the competitive advantage of the company in the global nutritional science landscape.
    Karen Li

    Kannan Raghavan - Chief People Officer

    Kannan Raghavan, the Chief People Officer at Kemin, directs the global human capital strategy to support the workforce behind the nutritional science innovations. Overseeing talent acquisition and organizational development, the Chief People Officer ensures that the company attracts and retains top-tier experts in chemical manufacturing and research. This leadership role involves fostering a culture of excellence across international facilities in North America, Asia, and beyond. By implementing comprehensive training programs, Kannan Raghavan drives employee engagement and aligns individual performance with the broader corporate mission. The Chief People Officer collaborates with other executives to build high-performing teams capable of solving complex challenges in the food and health industries. Through strategic workforce planning and the promotion of inclusive leadership, the Chief People Officer strengthens the internal capabilities of the organization, ensuring the company remains at the forefront of the global chemical manufacturing sector.
    Kannan Raghavan

    Frequently Asked Questions Regarding Kemin Top Executives and Leadership Team

    Who leads Kemin?
    Kemin is led by Hai Tan (Chief Executive Officer), along with executives such as Patrick Wood (Chief Financial Officer) and John Waterson (Group Chief Financial Officer).
    Who is part of Kemin’s executive team?
    The executive team of Kemin includes leaders such as Hai Tan (Chief Executive Officer), Patrick Wood (Chief Financial Officer), John Waterson (Group Chief Financial Officer) and other senior executives.
    How many executives does Kemin have?
    Kemin has 10 executives leading key business areas.
    What roles are included in Kemin’s leadership team?
    The leadership team of Kemin includes roles such as Chief Executive Officer, Chief Financial Officer, Group Chief Financial Officer, Country President, Country President MY and SG and BN.