EisnerAmper Executive and Leadership Team

October, 2026

Leadership Overview

EisnerAmper has 10 executives leading key functions including strategy, financial management, operational oversight, advisory services, and market growth.

Committed to delivering excellence in accounting and consulting, EisnerAmper empowers diverse industries through comprehensive audit, tax, and advisory solutions that drive sustainable business success across global markets.

Leadership Roles at EisnerAmper

  • Chairman & Chief Executive Officer - Michael Breit
  • Chief Financial Officer, Contract - Neil Zeller
  • Manager - Chief Financial Officer Advisory - James Lorissaint
  • Chief Operating Officer - Phillip Ammirato
  • Partner, Advisory Service Line Chief Operating Officer - Kimpa Moss
  • Chief Marketing Officer - Rob Boot
  • Chief of Staff (India, SAN Francisco) - Deepika Kaur
  • Director, Chief of Staff. Growth, Industries, Markets - Henry Lewis
  • Managing Director - John Higgins
  • Managing Director - Bert Orlov
  • Michael Breit - Chairman & Chief Executive Officer

    Michael Breit, the Chairman & Chief Executive Officer at EisnerAmper, directs the overarching strategic vision and long-term growth trajectory of the firm. Overseeing the integration of audit, tax, and consulting services, the Chairman & Chief Executive Officer ensures that the organization maintains high standards of professional excellence across all client engagements. This leadership role involves navigating complex regulatory landscapes while expanding the firm's footprint in key sectors like healthcare and real estate. By fostering a culture of innovation and client-centric service, Michael Breit directly influences the firm's competitive positioning in the global accounting market. Through consistent engagement with the board and senior leadership, the Chairman & Chief Executive Officer aligns operational priorities with the evolving needs of the firm's diverse client base, ultimately securing the financial health and reputation of the entire organization.
    Michael Breit

    Neil Zeller - Chief Financial Officer, Contract

    Neil Zeller, the Chief Financial Officer, Contract at EisnerAmper, directs the firm's financial planning, reporting, and fiscal management strategies. Focusing on the maintenance of financial integrity, the Chief Financial Officer, Contract oversees the firm's budgeting processes and ensures compliance with all regulatory requirements. This role involves analyzing financial performance data to provide actionable insights that guide executive decision-making. By managing the firm's capital structure and liquidity, Zeller supports the organization's ability to invest in new technologies and service lines. Neil Zeller collaborates with the leadership team to ensure that financial resources are aligned with the firm's strategic growth objectives. Through the rigorous oversight of fiscal operations and the implementation of robust financial controls, the Chief Financial Officer, Contract ensures the long-term financial stability and operational success of the firm in a complex and evolving global market.
    Neil Zeller

    James Lorissaint - Manager - Chief Financial Officer Advisory

    James Lorissaint, the Manager - Chief Financial Officer Advisory at EisnerAmper, leads the delivery of specialized financial advisory services to external clients. Focusing on the needs of client finance departments, the Manager - Chief Financial Officer Advisory architects solutions that improve financial reporting, budgeting, and operational efficiency for businesses across various industries. This role involves working directly with client leadership to implement best practices in financial management and risk mitigation. By leveraging the firm's deep expertise in accounting and consulting, Lorissaint provides clients with the tools necessary to navigate complex financial challenges. James Lorissaint coordinates with internal teams to ensure that advisory engagements are executed with precision and deliver measurable improvements to client performance. Through the provision of high-level financial guidance, the Manager - Chief Financial Officer Advisory supports the firm's mission of empowering businesses with the financial clarity and strategic insight required for success.

    Phillip Ammirato - Chief Operating Officer

    Phillip Ammirato, the Chief Operating Officer at EisnerAmper, manages the internal infrastructure and operational workflows that support the firm's service delivery. Focusing on process optimization and resource management, the Chief Operating Officer ensures that audit, tax, and consulting teams operate with maximum efficiency. This role involves overseeing the integration of new technologies to streamline administrative functions and improve service quality across all departments. By monitoring key performance indicators, Ammirato identifies opportunities for operational improvement and cost reduction. Phillip Ammirato works in tandem with the executive team to implement scalable systems that support the firm's growth in both domestic and international markets. Through the rigorous oversight of daily operations, the Chief Operating Officer maintains the firm's commitment to excellence, ensuring that all professional teams possess the tools and support necessary to deliver superior results for every client.

    Kimpa Moss - Partner, Advisory Service Line Chief Operating Officer

    Kimpa Moss, the Partner, Advisory Service Line Chief Operating Officer at EisnerAmper, directs the operational strategy for the firm's advisory division. Focusing on the delivery of consulting and financial services, the Partner, Advisory Service Line Chief Operating Officer ensures that advisory teams maintain high standards of technical proficiency and client service. This role involves managing the service line's budget, resource allocation, and project execution frameworks. By optimizing the delivery of advisory solutions, Moss supports the firm's ability to address the complex needs of clients in sectors like law and healthcare. Kimpa Moss collaborates with other partners to drive the growth of the advisory practice and expand the firm's market reach. Through the effective management of the advisory service line's daily operations, the Partner, Advisory Service Line Chief Operating Officer ensures that the firm remains a leader in providing high-value financial and consulting expertise.

    Rob Boot - Chief Marketing Officer

    Rob Boot, the Chief Marketing Officer at EisnerAmper, directs the firm's global brand strategy and market positioning initiatives. Overseeing the development of digital campaigns and thought leadership content, the Chief Marketing Officer ensures that the firm's expertise in audit, tax, and advisory services reaches target audiences effectively. This role involves analyzing market data to refine outreach strategies and enhance the firm's visibility within the healthcare, construction, and real estate sectors. By aligning marketing efforts with the firm's core business objectives, Boot drives lead generation and strengthens the brand's authority in the professional services landscape. Rob Boot collaborates closely with other C-suite leaders to communicate the firm's value proposition to a global client base. Through the implementation of data-driven marketing tactics, the Chief Marketing Officer supports the firm's growth goals and maintains a consistent, high-impact presence in the competitive accounting industry.

    Deepika Kaur - Chief of Staff (India, SAN Francisco)

    Deepika Kaur, the Chief of Staff (India, SAN Francisco) at EisnerAmper, coordinates cross-regional operations and facilitates communication between global teams. Focusing on the alignment of the firm's international presence, the Chief of Staff (India, SAN Francisco) manages strategic projects that bridge the gap between regional offices and the headquarters. This role involves streamlining executive workflows and ensuring that organizational goals are executed consistently across diverse geographic locations. By fostering collaboration between the India and San Francisco operations, Kaur enhances the firm's ability to provide seamless, around-the-clock service to global clients. Deepika Kaur monitors project timelines and resource allocation, ensuring that all initiatives remain on track with the firm's broader strategic objectives. Through the effective management of complex internal communications and operational logistics, the Chief of Staff (India, SAN Francisco) supports the firm's mission of delivering high-quality accounting and advisory services on a global scale.

    Henry Lewis - Director, Chief of Staff. Growth, Industries, Markets

    Henry Lewis, the Director, Chief of Staff. Growth, Industries, Markets at EisnerAmper, manages the strategic initiatives focused on market expansion and industry-specific growth. Focusing on the identification of new business opportunities, the Director, Chief of Staff. Growth, Industries, Markets architects plans to penetrate emerging sectors and strengthen the firm's presence in existing markets. This role involves analyzing industry trends and coordinating with leadership to align the firm's service offerings with market demands. By overseeing the execution of growth-oriented projects, Lewis ensures that the firm remains competitive and responsive to changing economic conditions. Henry Lewis works closely with the executive team to prioritize market development efforts and allocate resources effectively. Through the strategic management of industry-focused initiatives, the Director, Chief of Staff. Growth, Industries, Markets supports the firm's long-term objective of achieving sustainable growth and maintaining a dominant position in the accounting and advisory landscape.

    John Higgins - Managing Director

    John Higgins, the Managing Director at EisnerAmper, manages high-level client relationships and drives the delivery of specialized advisory services. Focusing on the construction and law firm sectors, the Managing Director architects tailored financial solutions that address specific industry challenges. This role requires constant collaboration with internal audit and tax teams to ensure seamless service delivery for complex accounts. By overseeing regional market initiatives, Higgins expands the firm's influence and strengthens client retention strategies. John Higgins maintains a rigorous focus on operational efficiency, ensuring that every engagement meets the firm's quality benchmarks. Through proactive market analysis and strategic resource allocation, the Managing Director supports the firm's broader mission of providing comprehensive financial guidance, thereby solidifying the firm's status as a trusted partner for businesses navigating intricate economic environments.

    Bert Orlov - Managing Director

    Bert Orlov, the Managing Director at EisnerAmper, leads the expansion of specialized consulting services across the firm's diverse portfolio. Concentrating on the real estate and financial services sectors, the Managing Director designs strategic frameworks that optimize client tax positions and operational performance. This leadership position involves coordinating cross-functional teams to deliver integrated solutions that combine audit expertise with forward-looking advisory insights. By identifying emerging market trends, Orlov drives the development of new service offerings that address the unique needs of modern enterprises. Bert Orlov maintains a sharp focus on client satisfaction, ensuring that every project delivers measurable value and long-term stability. Through the effective management of professional teams and the cultivation of key industry partnerships, the Managing Director contributes significantly to the firm's reputation for technical excellence and reliable financial stewardship.

    Frequently Asked Questions Regarding EisnerAmper Top Executives and Leadership Team

    Who leads EisnerAmper?
    EisnerAmper is led by Michael Breit (Chairman & Chief Executive Officer), along with executives such as Neil Zeller (Chief Financial Officer, Contract) and James Lorissaint (Manager - Chief Financial Officer Advisory).
    Who is part of EisnerAmper’s executive team?
    The executive team of EisnerAmper includes leaders such as Michael Breit (Chairman & Chief Executive Officer), Neil Zeller (Chief Financial Officer, Contract), James Lorissaint (Manager - Chief Financial Officer Advisory) and other senior executives.
    How many executives does EisnerAmper have?
    EisnerAmper has 10 executives leading key business areas.
    What roles are included in EisnerAmper’s leadership team?
    The leadership team of EisnerAmper includes roles such as Chairman & Chief Executive Officer, Chief Financial Officer, Contract, Manager - Chief Financial Officer Advisory, Chief Operating Officer, Partner, Advisory Service Line Chief Operating Officer.