Onterris Executive and Leadership Team

May, 2026

Leadership Overview

Onterris has 6 executives leading key functions including strategy, operations, technology, and market development.

Driven by a commitment to environmental stewardship, Onterris provides essential scientific, engineering, and data-driven services to help organizations navigate complex regulatory landscapes, mitigate risks, and achieve sustainability goals.

Leadership Roles at Onterris

  • Chief Executive Officer - Vijay Manthripragada
  • Chief Executive Officer & Owner - Peyman Kiani
  • Chief Operating Officer - Joshua LeMaire
  • Vice- President - Ramjee Raghavan
  • President - Tony Wong
  • Chief Technology Officer - Kristen Huntoon
  • Vijay Manthripragada - Chief Executive Officer

    Vijay Manthripragada, the Chief Executive Officer at Onterris, directs the company's overarching strategy and vision. This leadership role involves guiding the organization's expansion into new markets and ensuring alignment with its core mission of providing environmental solutions. Manthripragada oversees the integration of scientific, engineering, and data-driven services to address complex client challenges. The Chief Executive Officer's responsibilities include fostering innovation within the company and maintaining strong relationships with key stakeholders, including investors and industry partners. By setting the strategic direction, Vijay Manthripragada ensures Onterris remains at the forefront of environmental consulting and regulatory compliance services, driving sustainable growth and operational excellence across all business units. This executive's focus is on long-term value creation and market leadership.
    Vijay Manthripragada

    Peyman Kiani - Chief Executive Officer & Owner

    Peyman Kiani, the Chief Executive Officer & Owner at Onterris, holds ultimate accountability for the company's performance and strategic direction. This dual role encompasses both executive leadership and ownership, driving the company's mission to deliver comprehensive environmental solutions. Kiani directs the overall business operations, ensuring that Onterris effectively manages regulatory compliance, environmental risk, and sustainability initiatives for its clients. The Chief Executive Officer & Owner's purview includes fostering a culture of scientific rigor and engineering excellence throughout the organization. Peyman Kiani's leadership ensures that the company's services, such as testing, remediation, and environmental monitoring, meet the highest industry standards and client expectations. This executive's strategic oversight is critical for maintaining Onterris's market position and driving innovation in environmental consulting.

    Joshua LeMaire - Chief Operating Officer

    Joshua LeMaire, the Chief Operating Officer at Onterris, manages the day-to-day operational execution of the company's environmental solutions and consulting services. This leadership position involves optimizing the delivery of scientific, engineering, and data-driven services across all client engagements. LeMaire oversees the operational efficiency of remediation projects, environmental monitoring programs, and regulatory compliance assessments. The Chief Operating Officer's focus is on ensuring seamless coordination between field operations, laboratory services, and client support teams. Joshua LeMaire drives process improvements to enhance service quality and project timelines, directly impacting client satisfaction and Onterris's reputation for reliability. This executive's operational expertise is fundamental to the company's ability to manage environmental risks and sustainability challenges effectively.
    Joshua LeMaire

    Ramjee Raghavan - Vice- President

    Ramjee Raghavan, the Vice- President at Onterris, contributes to the strategic direction and operational oversight of the company's environmental consulting services. This executive role involves supporting the implementation of key initiatives aimed at enhancing regulatory compliance and sustainability solutions for clients. Raghavan collaborates with various departments to ensure the effective delivery of scientific, engineering, and data-driven services, including testing and remediation. The Vice- President's responsibilities include fostering strong client relationships and identifying opportunities for service expansion. Ramjee Raghavan plays a part in managing the operational aspects of environmental risk mitigation and ensuring that Onterris's offerings meet the evolving needs of diverse industries. This leadership position supports the company's mission to provide expert environmental management.

    Tony Wong - President

    Tony Wong, the President at Onterris, directs the company's strategic growth initiatives and market expansion efforts. This executive role focuses on driving business development and strengthening Onterris's presence in key global markets. Wong oversees the integration of scientific, engineering, and data-driven services to address complex environmental challenges faced by organizations worldwide. The President's responsibilities include cultivating strategic partnerships and ensuring that the company's solutions for regulatory compliance and sustainability are competitive and impactful. Tony Wong champions the company's commitment to environmental stewardship and operational excellence, guiding teams to deliver superior client outcomes. This leadership position is instrumental in shaping Onterris's market strategy and achieving long-term business objectives.
    Tony Wong

    Kristen Huntoon - Chief Technology Officer

    Kristen Huntoon, the Chief Technology Officer at Onterris, architects the company's technological infrastructure and digital strategy. This critical role involves overseeing the development and implementation of advanced data-driven services that enhance environmental monitoring and risk management capabilities. Huntoon directs the integration of cutting-edge technologies to support scientific and engineering teams in delivering precise and actionable insights to clients. The Chief Technology Officer's responsibilities extend to ensuring the security and scalability of Onterris's data platforms, which are essential for managing complex environmental data. Kristen Huntoon champions technological innovation, driving the adoption of new tools and methodologies that improve the efficiency and effectiveness of regulatory compliance and sustainability consulting. This executive's vision shapes the technological backbone of Onterris's service offerings.

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    Frequently Asked Questions Regarding Onterris Top Executives and Leadership Team

    Who leads Onterris?
    Onterris is led by Vijay Manthripragada (Chief Executive Officer), along with executives such as Peyman Kiani (Chief Executive Officer & Owner) and Joshua LeMaire (Chief Operating Officer).
    Who is part of Onterris’s executive team?
    The executive team of Onterris includes leaders such as Vijay Manthripragada (Chief Executive Officer), Peyman Kiani (Chief Executive Officer & Owner), Joshua LeMaire (Chief Operating Officer) and other senior executives.
    How many executives does Onterris have?
    Onterris has 6 executives leading key business areas.
    What roles are included in Onterris’s leadership team?
    The leadership team of Onterris includes roles such as Chief Executive Officer, Chief Executive Officer & Owner, Chief Operating Officer, Vice- President, President.