ECS Executive and Leadership Team

August, 2026

Leadership Overview

ECS has 10 executives leading key functions including strategy, engineering operations, technology development, and organizational management.

Committed to excellence in geotechnical and environmental engineering, ECS delivers high-impact infrastructure solutions while maintaining a rigorous focus on sustainable construction materials and facility integrity across diverse markets.

Leadership Roles at ECS

  • Chief Executive Officer - Seema Mandora
  • Founder & Chief Executive Officer - Muhammed Fayez
  • Chief Executive Officer & President - John Kim
  • Chief Executive Officer & President - William Yost
  • President & Chief Executive Officer - Tommy Edwards
  • President - Lloyd Briscoe
  • President - Leland Rich
  • President & Founder - Shawn Elkon
  • Chief Technology Officer - Karup Milag
  • Action Officer and Team Chief of Staff - Scott Erickson
  • Seema Mandora - Chief Executive Officer

    Seema Mandora, the Chief Executive Officer at ECS, directs the overarching corporate strategy for geotechnical and environmental engineering services. Mandora oversees the alignment of technical resources with large-scale construction projects, ensuring operational excellence across North American markets. By prioritizing innovation in materials testing and facility engineering, the Chief Executive Officer drives long-term growth and market competitiveness. This leadership role involves constant collaboration with the board to refine service delivery models and expand the company footprint. Seema Mandora maintains a focus on operational efficiency, optimizing internal workflows to support complex engineering demands. Through strategic oversight of project lifecycles, the Chief Executive Officer ensures that all geotechnical assessments meet rigorous safety standards. Ultimately, Mandora secures the financial health of the organization by fostering a culture of technical precision and client-focused service delivery within the competitive engineering landscape.

    Muhammed Fayez - Founder & Chief Executive Officer

    Muhammed Fayez, the Founder & Chief Executive Officer at ECS, architects the foundational vision for geotechnical and construction materials engineering. Fayez drives the expansion of environmental service lines, ensuring that the company remains at the forefront of industry standards. Overseeing the strategic direction of the firm, the Founder & Chief Executive Officer manages high-level partnerships that facilitate growth across regional infrastructure sectors. This leadership role requires constant evaluation of market trends to maintain a competitive edge in facility engineering. Muhammed Fayez directly influences the development of proprietary testing methodologies that enhance project accuracy. By championing a culture of technical rigor, the Founder & Chief Executive Officer ensures that all engineering outputs align with client expectations for safety and durability. Ultimately, Fayez sustains the long-term viability of the organization through disciplined management of resources and a commitment to engineering excellence.

    John Kim - Chief Executive Officer & President

    John Kim, the Chief Executive Officer & President at ECS, directs the daily operations and strategic initiatives for geotechnical and facilities engineering. Kim oversees the integration of advanced construction materials testing into the broader service portfolio, ensuring consistent quality across all project sites. This leadership role involves managing cross-functional teams to deliver complex environmental solutions for diverse infrastructure clients. By optimizing operational workflows, the Chief Executive Officer & President enhances project delivery timelines and improves overall profitability. John Kim maintains a focus on scaling the business through targeted regional expansion and service diversification. Through active engagement with project managers, the Chief Executive Officer & President ensures that technical standards remain high during every phase of construction. Ultimately, Kim drives the company mission by fostering innovation in engineering practices and maintaining a strong reputation for reliability within the construction industry.

    William Yost - Chief Executive Officer & President

    William Yost, the Chief Executive Officer & President at ECS, architects the strategic framework for geotechnical and environmental engineering operations. Yost oversees the implementation of advanced facility assessment protocols, ensuring that the company provides comprehensive solutions for complex construction challenges. This leadership role involves coordinating with senior management to align corporate goals with evolving market demands in the infrastructure sector. By driving efficiency in materials testing, the Chief Executive Officer & President ensures that all projects meet stringent safety and regulatory requirements. William Yost maintains a focus on sustainable growth, identifying new opportunities for service expansion across regional markets. Through rigorous oversight of operational performance, the Chief Executive Officer & President supports the delivery of high-quality engineering results. Ultimately, Yost secures the competitive position of the firm by fostering technical expertise and maintaining a commitment to excellence in every engineering engagement.

    Tommy Edwards - President & Chief Executive Officer

    Tommy Edwards, the President & Chief Executive Officer at ECS, directs the strategic vision for geotechnical and construction materials engineering. Edwards oversees the development of innovative environmental solutions, ensuring that the company addresses the unique needs of modern infrastructure projects. This leadership role involves managing the firm's operational capacity to handle large-scale facility engineering tasks across diverse geographic regions. By optimizing resource allocation, the President & Chief Executive Officer enhances project outcomes and drives revenue growth. Tommy Edwards maintains a focus on building strong client relationships through consistent delivery of high-quality engineering services. Through active collaboration with technical teams, the President & Chief Executive Officer ensures that all assessments adhere to the highest industry standards. Ultimately, Edwards strengthens the market presence of the organization by prioritizing technical precision and operational agility in every aspect of the business.

    Lloyd Briscoe - President

    Lloyd Briscoe, the President at ECS, directs the operational execution of geotechnical and construction materials engineering services. Briscoe oversees the management of regional project portfolios, ensuring that all environmental and facility engineering tasks meet client specifications. This leadership role involves coordinating with technical leads to maintain high standards of quality control across diverse construction sites. By driving operational excellence, the President enhances the efficiency of service delivery and supports the company's growth objectives. Lloyd Briscoe maintains a focus on market expansion, identifying new opportunities for the firm to provide specialized engineering expertise. Through rigorous oversight of project performance, the President ensures that all engineering outputs align with safety and regulatory requirements. Ultimately, Briscoe secures the long-term success of the organization by fostering a culture of technical excellence and maintaining a strong commitment to client satisfaction in every project.

    Leland Rich - President

    Leland Rich, the President at ECS, directs the strategic implementation of environmental and geotechnical engineering initiatives. Rich oversees the development of specialized service lines that address the unique challenges of modern facility engineering and construction materials testing. This leadership role involves managing the firm's operational footprint to ensure consistent service quality across various regional markets. By driving innovation in engineering practices, the President enhances the company's ability to deliver complex infrastructure solutions. Leland Rich maintains a focus on operational efficiency, optimizing the use of technical resources to support project success. Through active engagement with project teams, the President ensures that all engineering assessments are conducted with precision and adherence to industry standards. Ultimately, Rich strengthens the market position of the organization by fostering a culture of technical expertise and maintaining a steadfast commitment to delivering high-quality engineering results.

    Shawn Elkon - President & Founder

    Shawn Elkon, the President & Founder at ECS, architects the core business model for geotechnical and environmental engineering services. Elkon oversees the strategic direction of the firm, ensuring that the company remains a leader in construction materials testing and facility engineering. This leadership role involves cultivating key industry partnerships that facilitate growth and expand the company's reach across regional markets. By driving a culture of innovation, the President & Founder ensures that the organization continuously evolves to meet the changing needs of the infrastructure sector. Shawn Elkon maintains a focus on long-term sustainability, guiding the company through complex engineering challenges with a commitment to quality and safety. Through active oversight of corporate strategy, the President & Founder supports the delivery of superior engineering solutions. Ultimately, Elkon secures the future of the firm by fostering technical excellence and maintaining a strong reputation for reliability.

    Karup Milag - Chief Technology Officer

    Karup Milag, the Chief Technology Officer at ECS, architects the digital infrastructure and technical systems supporting geotechnical and environmental engineering. Milag oversees the implementation of advanced data analytics tools that enhance the accuracy of construction materials testing. This leadership role involves integrating new software solutions to streamline facility engineering workflows and improve project reporting. By driving technological innovation, the Chief Technology Officer ensures that the company maintains a competitive advantage in the digital landscape of the construction industry. Karup Milag maintains a focus on cybersecurity and data integrity, protecting sensitive project information across all regional operations. Through collaboration with other executives, the Chief Technology Officer aligns technical capabilities with the broader corporate strategy for growth and efficiency. Ultimately, Milag supports the delivery of superior engineering results by providing the robust technological foundation necessary for modern, data-driven infrastructure projects.

    Scott Erickson - Action Officer and Team Chief of Staff

    Scott Erickson, the Action Officer and Team Chief of Staff at ECS, directs the internal coordination of geotechnical and environmental engineering projects. Erickson oversees the alignment of administrative processes with technical requirements, ensuring that project teams operate with maximum efficiency. This leadership role involves managing communication flows between departments to support the execution of complex construction materials testing. By optimizing internal workflows, the Action Officer and Team Chief of Staff enhances the overall productivity of the organization. Scott Erickson maintains a focus on operational readiness, ensuring that all resources are available for critical infrastructure assessments. Through active monitoring of project milestones, the Action Officer and Team Chief of Staff supports the timely delivery of high-quality engineering solutions. Ultimately, Erickson facilitates the achievement of corporate objectives by streamlining operations and fostering a culture of accountability and precision across all engineering teams.

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    Frequently Asked Questions Regarding ECS Top Executives and Leadership Team

    Who leads ECS?
    ECS is led by Seema Mandora (Chief Executive Officer), along with executives such as Muhammed Fayez (Founder & Chief Executive Officer) and John Kim (Chief Executive Officer & President).
    Who is part of ECS’s executive team?
    The executive team of ECS includes leaders such as Seema Mandora (Chief Executive Officer), Muhammed Fayez (Founder & Chief Executive Officer), John Kim (Chief Executive Officer & President) and other senior executives.
    How many executives does ECS have?
    ECS has 10 executives leading key business areas.
    What roles are included in ECS’s leadership team?
    The leadership team of ECS includes roles such as Chief Executive Officer, Founder & Chief Executive Officer, Chief Executive Officer & President, Chief Executive Officer & President, President & Chief Executive Officer.