The IMA Group Executive and Leadership Team

August, 2026

Leadership Overview

The IMA Group has 7 executives leading key functions including strategy, financial oversight, technology infrastructure, information management, and operational leadership.

Focused on advancing clinical evaluation standards, The IMA Group delivers objective medical assessments and workforce health solutions to improve individual well-being and institutional decision-making across the United States.

Leadership Roles at The IMA Group

  • Chief Executive Officer - Tabarrion Stoves
  • President, Chief Executive Officer & Board Member - Mark Weinberger
  • Chief Financial Officer - Jeanine Delong
  • President - Seth Needelman
  • President - Nirmal Choraria
  • Chief Technology Officer - Michael Koenig
  • Chief Information Officer - Michael Hirsch
  • Tabarrion Stoves - Chief Executive Officer

    Tabarrion Stoves, the Chief Executive Officer at The IMA Group, directs the overarching strategic vision for this technology-enabled healthcare services organization. Stoves architects the long-term growth trajectory by aligning medical evaluation services with the evolving needs of government agencies and life sciences partners. By overseeing the national network of clinical providers, the Chief Executive Officer ensures consistent delivery of high-quality behavioral health assessments. Stoves maintains rigorous standards for objective reporting, which supports institutional clients in making informed disability and workforce readiness decisions. This leadership role involves constant collaboration with the Board to optimize service delivery models across diverse regional markets. Through the implementation of scalable operational frameworks, Tabarrion Stoves drives the organization toward greater market penetration. Ultimately, Stoves secures the company's position as a leader in the intersection of healthcare delivery and administrative support, ensuring that every clinical evaluation meets the highest benchmarks for accuracy and patient-centered outcomes.
    Tabarrion Stoves

    Mark Weinberger - President, Chief Executive Officer & Board Member

    Mark Weinberger, the President, Chief Executive Officer & Board Member at The IMA Group, governs the corporate governance structure and executive decision-making processes. Weinberger manages the integration of clinical research initiatives with core medical evaluation services to expand the company's footprint in the healthcare sector. By fostering relationships with major insurers and employers, the President, Chief Executive Officer & Board Member ensures that the organization remains a preferred partner for complex health and disability assessments. Mark Weinberger oversees the alignment of internal resources with external market demands, driving efficiency across the national evaluation center network. This role requires constant engagement with the Board to refine corporate policy and ensure fiscal responsibility. Through the promotion of innovative workforce health solutions, Weinberger strengthens the company's competitive advantage. Ultimately, the President, Chief Executive Officer & Board Member maintains the integrity of the clinical platform, ensuring that all services support both individual well-being and institutional productivity requirements.

    Jeanine Delong - Chief Financial Officer

    Jeanine Delong, the Chief Financial Officer at The IMA Group, manages the fiscal health and capital allocation strategies for the entire organization. Delong directs the financial planning, budgeting, and reporting processes that support the company's national clinical operations. By analyzing revenue streams from government contracts and private sector partnerships, the Chief Financial Officer ensures the sustainability of the healthcare services platform. Jeanine Delong oversees the financial risk management protocols, protecting the organization against market volatility while enabling investment in new clinical research sites. This leadership role involves close coordination with the executive team to fund technological advancements that improve evaluation accuracy. Through the implementation of robust financial controls, Delong optimizes operational efficiency across all regional centers. Ultimately, the Chief Financial Officer maintains the fiscal discipline necessary to support the company's mission of delivering objective medical assessments, ensuring that financial resources remain aligned with long-term growth objectives and institutional client needs.

    Seth Needelman - President

    Seth Needelman, the President at The IMA Group, oversees the operational execution of clinical evaluation services across the organization's national footprint. Needelman directs the daily management of evaluation centers, ensuring that clinical providers adhere to the company's high standards for objective medical and behavioral health assessments. By focusing on the operational efficiency of the service delivery model, the President ensures that government agencies and employers receive timely and accurate reports. Seth Needelman manages the coordination between regional clinical teams and the corporate office to maintain consistent service quality. This leadership role involves refining the processes that assist individuals in navigating complex disability and employment-related challenges. Through the optimization of clinical workflows, Needelman drives productivity and enhances the overall patient experience. Ultimately, the President maintains the operational excellence required to support the company's mission, ensuring that every evaluation contributes to informed decision-making for institutional clients and improved outcomes for individuals.

    Nirmal Choraria - President

    Nirmal Choraria, the President at The IMA Group, leads the strategic expansion of clinical research and workforce health solutions. Choraria directs the development of new service lines that address the evolving needs of life sciences organizations and corporate employers. By overseeing the growth of the company's research sites, the President ensures that the organization remains at the forefront of medical evaluation innovation. Nirmal Choraria manages the partnerships that allow the company to scale its services across diverse geographic markets. This leadership role involves identifying new opportunities for market penetration and aligning service offerings with the specific requirements of institutional clients. Through the implementation of strategic growth initiatives, Choraria strengthens the company's position as a comprehensive healthcare services platform. Ultimately, the President drives the organization's ability to support complex health and employment-related challenges, ensuring that the company continues to deliver high-quality, objective assessments that meet the demands of a changing healthcare landscape.

    Michael Koenig - Chief Technology Officer

    Michael Koenig, the Chief Technology Officer at The IMA Group, architects the digital infrastructure that powers the company's medical and psychological evaluation services. Koenig directs the development of proprietary software platforms designed to streamline clinical data collection and reporting for government and employer clients. By overseeing the integration of advanced diagnostic tools, the Chief Technology Officer ensures that the organization maintains a technological edge in the healthcare services market. Michael Koenig manages the engineering teams responsible for building secure, scalable systems that handle sensitive health information with absolute precision. This leadership role involves constant collaboration with clinical leads to translate medical requirements into functional digital solutions. Through the deployment of innovative technology, Koenig enhances the speed and accuracy of workforce health assessments. Ultimately, the Chief Technology Officer drives the digital transformation of the company, ensuring that all technological assets support the core mission of improving individual well-being through data-driven insights.

    Michael Hirsch - Chief Information Officer

    Michael Hirsch, the Chief Information Officer at The IMA Group, governs the data management and information security frameworks essential for the company's national clinical network. Hirsch directs the protection of sensitive patient data, ensuring full compliance with healthcare regulations while facilitating seamless information flow between evaluation centers and institutional clients. By overseeing the enterprise-wide information systems, the Chief Information Officer ensures that clinical research data remains accessible and secure for stakeholders. Michael Hirsch manages the cybersecurity posture of the organization, mitigating risks associated with digital healthcare delivery. This leadership role involves coordinating with the technology team to maintain robust network reliability across all regional sites. Through the implementation of advanced data governance policies, Hirsch supports the company's commitment to objective and reliable medical assessments. Ultimately, the Chief Information Officer secures the integrity of the information ecosystem, enabling the organization to provide high-quality services to government agencies and insurers.

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    Frequently Asked Questions Regarding The IMA Group Top Executives and Leadership Team

    Who leads The IMA Group?
    The IMA Group is led by Tabarrion Stoves (Chief Executive Officer), along with executives such as Mark Weinberger (President, Chief Executive Officer & Board Member) and Jeanine Delong (Chief Financial Officer).
    Who is part of The IMA Group’s executive team?
    The executive team of The IMA Group includes leaders such as Tabarrion Stoves (Chief Executive Officer), Mark Weinberger (President, Chief Executive Officer & Board Member), Jeanine Delong (Chief Financial Officer) and other senior executives.
    How many executives does The IMA Group have?
    The IMA Group has 7 executives leading key business areas.
    What roles are included in The IMA Group’s leadership team?
    The leadership team of The IMA Group includes roles such as Chief Executive Officer, President, Chief Executive Officer & Board Member, Chief Financial Officer, President, President.