Omnicom Health Group Executive and Leadership Team

September, 2026

Leadership Overview

Omnicom Health Group has 6 executives leading key functions including strategy, regional operations, internal scaling, financial planning, talent management, and medical communications.

Focused on delivering comprehensive marketing solutions, Omnicom Health Group drives global health care communication excellence through innovative digital services and strategic public relations initiatives.

Leadership Roles at Omnicom Health Group

  • Chief Executive Officer - Nisson Hirsch
  • Chief Executive Officer, Omnicom Health (Canada) - Neill Brown
  • Chief Financial Officer - Sergei Yemialyanchyk
  • Chief Operating Officer - Jessica Specker
  • Chief Human Resources Officer - Edward Frankel
  • Chief Medical Officer, At Ipg Health - Sommer Bazuro
  • Nisson Hirsch - Chief Executive Officer

    Nisson Hirsch, the Chief Executive Officer at Omnicom Health Group, directs the overarching strategic vision for the entire organization. By overseeing the integration of marketing and communication solutions, the Chief Executive Officer ensures that the company maintains a competitive edge in the global health care sector. Nisson Hirsch architects high-level partnerships and drives the expansion of digital services to meet evolving client needs. This leadership role involves constant collaboration with the Board to align corporate objectives with market demands. By fostering a culture of innovation, the Chief Executive Officer secures long-term growth and operational excellence. Through the implementation of robust promotional strategies, the company achieves significant market penetration. Ultimately, Hirsch maintains the firm's reputation as a leader in health care marketing, ensuring that all departments remain focused on delivering superior value to clients worldwide while navigating complex industry landscapes.

    Neill Brown - Chief Executive Officer, Omnicom Health (Canada)

    Neill Brown, the Chief Executive Officer, Omnicom Health (Canada) at Omnicom Health Group, directs all operations within the Canadian market. Overseeing regional growth, the Chief Executive Officer, Omnicom Health (Canada) ensures that local marketing and communication solutions align with the broader corporate mission. Neill Brown architects specific strategies for shopper marketing and public relations tailored to the unique regulatory and cultural environment of the region. This leadership role involves managing cross-functional teams to optimize customer relationship management platforms. By driving regional initiatives, the Chief Executive Officer, Omnicom Health (Canada) strengthens the company's footprint across North American markets. Through the execution of targeted promotional campaigns, Brown enhances client engagement and brand visibility. Ultimately, Brown secures operational stability and financial performance within the Canadian division, ensuring that regional outputs consistently meet the high standards expected of the global organization.
    Neill Brown

    Sergei Yemialyanchyk - Chief Financial Officer

    Sergei Yemialyanchyk, the Chief Financial Officer at Omnicom Health Group, directs the financial strategy and fiscal health of the organization. Overseeing capital allocation and budgetary planning, the Chief Financial Officer ensures that the company maintains the resources necessary to support its global marketing and communication solutions. Sergei Yemialyanchyk architects financial models that track the performance of digital services and customer relationship management initiatives. This leadership role involves providing the Board with accurate financial insights to guide long-term investment decisions. By managing risk and ensuring compliance, the Chief Financial Officer drives sustainable growth and profitability. Through the rigorous analysis of market trends, Yemialyanchyk optimizes the company's financial structure to support expansion efforts. Ultimately, Yemialyanchyk secures the fiscal foundation of the firm, ensuring that all strategic initiatives are backed by sound financial planning and disciplined resource management.

    Jessica Specker - Chief Operating Officer

    Jessica Specker, the Chief Operating Officer at Omnicom Health Group, directs the internal infrastructure and daily business processes. Overseeing the efficiency of marketing and communication workflows, the Chief Operating Officer ensures that all departments function in harmony to support client objectives. Jessica Specker architects scalable operational frameworks that allow the company to handle complex digital services and public relations projects with precision. This leadership role involves close coordination with other C-suite members to streamline resource allocation and improve project delivery timelines. By optimizing internal systems, the Chief Operating Officer drives productivity and reduces operational friction. Through the implementation of advanced management tools, Specker enhances the quality of service delivery across all global accounts. Ultimately, Specker maintains the operational integrity of the firm, ensuring that the company remains agile and responsive to the fast-paced demands of the health care marketing industry.

    Edward Frankel - Chief Human Resources Officer

    Edward Frankel, the Chief Human Resources Officer at Omnicom Health Group, directs the talent acquisition and organizational development strategies. Overseeing the recruitment of top-tier professionals, the Chief Human Resources Officer ensures that the company possesses the expertise required to deliver high-quality marketing and communication solutions. Edward Frankel architects programs that foster employee engagement and professional growth within the firm. This leadership role involves aligning human capital with the company's broader goals of innovation and client service excellence. By driving initiatives that promote a diverse and inclusive workplace, the Chief Human Resources Officer strengthens the company's culture. Through the implementation of performance management systems, Frankel ensures that all staff members contribute effectively to the organization's success. Ultimately, Frankel secures the human capital necessary for the firm to maintain its competitive advantage in the global health care marketing landscape.
    Edward Frankel

    Sommer Bazuro - Chief Medical Officer, At Ipg Health

    Sommer Bazuro, the Chief Medical Officer, At Ipg Health at Omnicom Health Group, directs the scientific and medical integrity of all marketing communications. Overseeing the accuracy of health-related content, the Chief Medical Officer, At Ipg Health ensures that promotional materials and public relations campaigns adhere to the highest clinical standards. Sommer Bazuro architects medical strategies that translate complex scientific data into accessible messaging for diverse audiences. This leadership role involves collaborating with creative teams to ensure that digital services and communication solutions remain grounded in evidence-based practice. By driving medical excellence, the Chief Medical Officer, At Ipg Health enhances the credibility of the company's client offerings. Through the rigorous review of all health-focused content, Bazuro mitigates risk and ensures regulatory compliance. Ultimately, Bazuro secures the scientific authority of the firm, ensuring that all communications effectively convey the value of health care products and services.
    Sommer Bazuro

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    Frequently Asked Questions Regarding Omnicom Health Group Top Executives and Leadership Team

    Who leads Omnicom Health Group?
    Omnicom Health Group is led by Nisson Hirsch (Chief Executive Officer), along with executives such as Neill Brown (Chief Executive Officer, Omnicom Health (Canada)) and Sergei Yemialyanchyk (Chief Financial Officer).
    Who is part of Omnicom Health Group’s executive team?
    The executive team of Omnicom Health Group includes leaders such as Nisson Hirsch (Chief Executive Officer), Neill Brown (Chief Executive Officer, Omnicom Health (Canada)), Sergei Yemialyanchyk (Chief Financial Officer) and other senior executives.
    How many executives does Omnicom Health Group have?
    Omnicom Health Group has 6 executives leading key business areas.
    What roles are included in Omnicom Health Group’s leadership team?
    The leadership team of Omnicom Health Group includes roles such as Chief Executive Officer, Chief Executive Officer, Omnicom Health (Canada), Chief Financial Officer, Chief Operating Officer, Chief Human Resources Officer.