The IMA Group Executive and Leadership Team

September, 2026

Leadership Overview

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

Focused on advancing clinical evaluation standards, The IMA Group delivers objective medical and behavioral health assessments to improve individual well-being and support institutional decision-making across national markets.

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 - Nirmal Choraria
  • President - Seth Needelman
  • Chief Information Officer - Michael Hirsch
  • Chief Technology Officer - Michael Koenig
  • 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 long-term growth initiatives by aligning medical evaluation capabilities with the evolving needs of government agencies and life sciences partners. By overseeing the integration of clinical research and workforce health solutions, the Chief Executive Officer ensures consistent service delivery across the national network. Stoves maintains rigorous standards for objective assessments, which directly impacts the ability of institutional clients to make informed decisions regarding claims and eligibility. Through constant engagement with the Board and senior leadership, Tabarrion Stoves drives operational excellence and maintains the company's position at the intersection of healthcare delivery and administrative support. This leadership role requires balancing patient outcomes with complex administrative requirements, ensuring that the organization remains a leader in the healthcare services sector while expanding market reach.
    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 trajectory and high-level governance of the organization. Weinberger executes complex business strategies that bridge the gap between clinical evaluation services and the administrative needs of insurers and employers. By managing the relationship between the executive team and the Board, the President, Chief Executive Officer & Board Member ensures alignment on critical fiscal and operational objectives. Mark Weinberger drives the expansion of clinical research sites, enhancing the national footprint of the company. This role involves navigating the intersection of healthcare delivery and workforce readiness, ensuring that all services support individual well-being while meeting institutional demands. Through strategic oversight of the entire platform, Weinberger secures the long-term viability of the organization, fostering a culture of precision and objective assessment that defines the company's reputation in the healthcare services industry.

    Jeanine Delong - Chief Financial Officer

    Jeanine Delong, the Chief Financial Officer at The IMA Group, manages the fiscal health and capital allocation strategies for this healthcare services provider. Delong oversees financial planning, reporting, and risk management, ensuring that the organization maintains the resources necessary to support its national network of clinical providers. By analyzing revenue streams from government agencies and private insurers, the Chief Financial Officer optimizes the financial performance of the company's evaluation centers. Jeanine Delong collaborates with other C-suite leaders to fund technological advancements and clinical research initiatives that drive growth. This leadership role involves maintaining strict compliance with healthcare financial regulations while supporting the broader mission of improving individual well-being. Through precise fiscal stewardship, Delong ensures that the organization remains agile in a competitive market, providing the necessary stability for the company to continue delivering high-quality, objective medical assessments to clients across the United States.

    Nirmal Choraria - President

    Nirmal Choraria, the President at The IMA Group, focuses on the operational execution of clinical evaluation services and the expansion of the company's service offerings. Choraria directs the day-to-day management of the clinical provider network, ensuring that all medical and behavioral health assessments meet the highest standards of objectivity. By overseeing the operational efficiency of evaluation centers, the President ensures that the organization effectively supports government agencies and life sciences organizations. Nirmal Choraria drives initiatives to improve patient outcomes, focusing on the practical application of clinical research in workforce health solutions. This leadership role involves coordinating with regional managers to maintain consistent service quality across the national footprint. Through the optimization of operational workflows, Choraria ensures that the company remains a trusted partner for institutional clients, facilitating informed decisions regarding claims and workforce readiness while maintaining a strong focus on individual well-being.

    Seth Needelman - President

    Seth Needelman, the President at The IMA Group, manages the strategic partnerships and business development efforts that drive the company's market presence. Needelman oversees the relationships with large-scale institutional clients, including insurers and employers, to ensure that the organization's healthcare services meet specific industry needs. By focusing on the growth of the company's clinical research and evaluation platforms, the President identifies new opportunities for service expansion. Seth Needelman drives the alignment of business development goals with the company's core mission of improving individual well-being and productivity. This leadership role involves navigating complex market dynamics to secure long-term contracts and partnerships that support the organization's national reach. Through the strategic management of client portfolios, Needelman ensures that the company remains at the forefront of the healthcare services industry, providing objective, high-quality assessments that assist individuals and institutions in navigating health and disability challenges.

    Michael Hirsch - Chief Information Officer

    Michael Hirsch, the Chief Information Officer at The IMA Group, directs the information systems and data management strategies that underpin the company's healthcare services. Hirsch oversees the secure handling of sensitive medical and behavioral health data, ensuring that all clinical evaluations remain compliant with national privacy standards. By architecting robust information networks, the Chief Information Officer enables seamless communication between evaluation centers and institutional clients. Michael Hirsch drives the digital transformation of administrative processes, allowing for more efficient claims processing and eligibility determinations. This role involves constant collaboration with the technology team to ensure that information systems support the company's mission of improving individual well-being. Through the implementation of advanced data analytics, Hirsch provides the insights necessary for the organization to maintain its competitive edge in the healthcare services market, ensuring that all information flows support informed decision-making for employers and government agencies.

    Michael Koenig - Chief Technology Officer

    Michael Koenig, the Chief Technology Officer at The IMA Group, leads the development and deployment of the technology platforms that facilitate the company's medical and psychological evaluations. Koenig architects scalable software solutions that integrate clinical research data with workforce health management tools. By overseeing the technical infrastructure, the Chief Technology Officer ensures that the organization's evaluation sites operate with maximum efficiency and accuracy. Michael Koenig drives innovation in the delivery of healthcare services, focusing on tools that assist individuals in navigating complex disability and employment-related challenges. This role involves working closely with the Chief Information Officer to secure the digital environment while pushing the boundaries of what technology can achieve in clinical settings. Through the continuous improvement of the company's technical capabilities, Koenig supports the broader mission of delivering high-quality, objective assessments, ultimately enhancing the productivity and well-being of the individuals served by the organization.

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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.