Arcadis Executive and Leadership Team

July, 2026

Leadership Overview

Arcadis has 8 executives leading key functions including mobility, resilience, engineering, and water.

Driven by a commitment to sustainable development, Arcadis leverages its expertise in design, engineering, and management consulting to shape the future of natural and built assets globally.

Leadership Roles at Arcadis

  • President, Mobility (US) - Wassim Selman
  • Interim Global President Resilience - Karin Formigoni
  • Principal Engineer & President, Arcadis of Michigan, Llc - Theodore Kremer
  • Global President, Mobility (Interim) - Ramin Massoumi
  • President, Arcadis Water Business Line - John McCarthy
  • President, Technical Service Operations (US) - Gerard Morgan
  • Team Captain - Iseghohimen Joseph
  • Global Director, Intelligence - Derrick Sims
  • Wassim Selman - President, Mobility (US)

    Wassim Selman, the President, Mobility (US) at Arcadis, directs the strategic vision and operational execution for the company's mobility sector within the United States. This leadership role involves driving innovation in transportation infrastructure, ensuring seamless integration of smart city technologies, and optimizing project delivery across all mobility-related initiatives. Selman's oversight extends to fostering key client relationships and expanding Arcadis's market presence in the US mobility landscape. The focus remains on enhancing urban connectivity and sustainable transportation solutions. Wassim Selman ensures that Arcadis's US mobility operations align with global best practices and contribute significantly to the company's overall growth objectives. This involves managing cross-functional teams and championing new service offerings that address evolving transportation needs.

    Karin Formigoni - Interim Global President Resilience

    Karin Formigoni, the Interim Global President Resilience at Arcadis, spearheads the company's global strategy for resilience solutions. This critical role involves guiding the development and implementation of services focused on climate adaptation, disaster risk reduction, and sustainable infrastructure. Formigoni's leadership ensures that Arcadis clients receive comprehensive support in navigating environmental challenges and building robust, future-proof assets. The focus is on integrating resilience principles across all business lines and geographies. Karin Formigoni collaborates with regional leaders to enhance Arcadis's capabilities in areas such as flood defense, water management, and climate-resilient urban planning. This interim leadership position is vital for maintaining momentum and driving forward Arcadis's commitment to a more sustainable and resilient world.

    Theodore Kremer - Principal Engineer & President, Arcadis of Michigan, Llc

    Theodore Kremer, the Principal Engineer & President, Arcadis of Michigan, Llc at Arcadis, leads engineering excellence and operational management for the Michigan division. This dual role emphasizes both technical innovation in engineering projects and strategic leadership for the local entity. Kremer's responsibilities include overseeing complex design and construction projects, ensuring adherence to the highest engineering standards, and driving business development within the region. The focus is on delivering impactful solutions for natural and built assets in Michigan. Theodore Kremer fosters a culture of technical expertise and client-centric service, ensuring Arcadis of Michigan, Llc contributes significantly to the company's broader mission. This leadership ensures the successful execution of projects and the sustained growth of the Michigan operations.

    Ramin Massoumi - Global President, Mobility (Interim)

    Ramin Massoumi, the Global President, Mobility (Interim) at Arcadis, provides interim leadership for the company's worldwide mobility sector. This role involves guiding the strategic direction and operational performance of Arcadis's mobility business on a global scale. Massoumi's focus is on ensuring the continued delivery of innovative transportation solutions and maintaining strong client relationships across international markets. The objective is to sustain momentum in key mobility initiatives during this interim period. Ramin Massoumi oversees the integration of advanced technologies and sustainable practices within the mobility portfolio, reinforcing Arcadis's position as a leader in the sector. This leadership ensures continuity and strategic alignment for global mobility operations.
    Ramin Massoumi

    John McCarthy - President, Arcadis Water Business Line

    John McCarthy, the President, Arcadis Water Business Line at Arcadis, leads the global strategy and operations for the company's water sector. This significant role involves driving innovation in water management, infrastructure development, and environmental solutions. McCarthy's leadership ensures Arcadis effectively addresses complex water challenges worldwide, from resource scarcity to flood resilience. The focus is on delivering sustainable and integrated water solutions to clients. John McCarthy oversees a dedicated team of experts, fostering collaboration and technical excellence to enhance Arcadis's market leadership in the water industry. This leadership position is pivotal in advancing the company's mission to improve quality of life through water-related expertise.

    Gerard Morgan - President, Technical Service Operations (US)

    Gerard Morgan, the President, Technical Service Operations (US) at Arcadis, oversees the delivery and strategic growth of technical services within the United States. This leadership position involves managing a broad portfolio of operational services, ensuring high standards of quality, safety, and efficiency. Morgan's responsibilities include driving operational excellence, optimizing resource allocation, and fostering strong client partnerships across various sectors. The focus is on delivering reliable and innovative technical solutions. Gerard Morgan leads teams dedicated to maintaining and enhancing critical infrastructure and assets, contributing directly to Arcadis's reputation for dependable service delivery. This leadership ensures the seamless execution of technical operations nationwide.
    Gerard Morgan

    Iseghohimen Joseph - Team Captain

    Iseghohimen Joseph, the Team Captain at Arcadis, directs a specific functional unit within the organization, ensuring project objectives are met with precision and efficiency. This leadership position involves coordinating team efforts, managing task allocation, and fostering a collaborative work environment to achieve project milestones. Joseph's role is crucial in maintaining high standards of performance and driving the successful completion of assigned responsibilities. The focus is on operational excellence and team synergy. Iseghohimen Joseph contributes to the overall project success by ensuring seamless workflow and effective problem-solving within the team. This leadership ensures that the team's contributions align with Arcadis's broader strategic goals and client expectations.

    Derrick Sims - Global Director, Intelligence

    Derrick Sims, the Global Director, Intelligence at Arcadis, directs the strategic implementation and development of intelligence-driven solutions across the organization. This role is critical for leveraging data analytics and insights to enhance project outcomes and business decision-making. Sims's leadership focuses on building robust intelligence capabilities that support Arcadis's core business areas, including natural and built assets. The objective is to drive efficiency and innovation through data. Derrick Sims oversees the integration of advanced analytical tools and methodologies, ensuring Arcadis remains at the forefront of intelligent solutions in its industry. This leadership position is key to unlocking new opportunities and optimizing operational performance globally.

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    Frequently Asked Questions Regarding Arcadis Top Executives and Leadership Team

    Who leads Arcadis?
    Arcadis is led by Wassim Selman (President, Mobility (US)), along with executives such as Karin Formigoni (Interim Global President Resilience) and Theodore Kremer (Principal Engineer & President, Arcadis of Michigan, Llc).
    Who is part of Arcadis’s executive team?
    The executive team of Arcadis includes leaders such as Wassim Selman (President, Mobility (US)), Karin Formigoni (Interim Global President Resilience), Theodore Kremer (Principal Engineer & President, Arcadis of Michigan, Llc) and other senior executives.
    How many executives does Arcadis have?
    Arcadis has 8 executives leading key business areas.
    What roles are included in Arcadis’s leadership team?
    The leadership team of Arcadis includes roles such as President, Mobility (US), Interim Global President Resilience, Principal Engineer & President, Arcadis of Michigan, Llc, Global President, Mobility (Interim), President, Arcadis Water Business Line.