ACA Executive and Leadership Team

July, 2026

Leadership Overview

ACA has 10 executives leading key functions including strategy, finance, operations, human resources, and market leadership.

Driven by a commitment to regulatory excellence, ACA provides comprehensive GRC solutions and technology services, impacting global compliance and risk management.

Leadership Roles at ACA

  • Chief Executive Officer - Patrick Olson
  • Chief Financial Officer - Neeraj Karhade
  • Chief Financial Officer & Chief Compliance Officer, Amp & Chief Operations Officer, Amp - Walter Costenbader
  • Chief Operating Officer - Jean-Christophe Chandumont
  • Chief Operating Officer, Technology - Kara Nayden
  • Director & Chief Operating Officer - Dominic Williams
  • President - Carlo Florio
  • President - Wandile Tsipa
  • Chief Human Resources Officer - Jaime Klein
  • Operations Executive & Chief of Staff - Gladys Ibanez-Alers
  • Patrick Olson - Chief Executive Officer

    Patrick Olson, the Chief Executive Officer at ACA, directs the overarching corporate strategy and vision. Olson guides the firm's expansion across its diverse service lines, including GIPS® standards verification, cybersecurity and technology risk, and ESG advisory. This leadership role involves fostering innovation and ensuring the company's continued growth in the GRC and technology solutions market. By aligning departmental objectives with the company's mission, Patrick Olson drives operational excellence and market leadership. The Chief Executive Officer's purview encompasses all aspects of business development and client engagement, ensuring ACA maintains its position as a trusted advisor in regulatory compliance and risk management. Olson's strategic direction shapes the firm's response to evolving regulatory landscapes and client needs, solidifying ACA's global presence and impact.
    Patrick Olson

    Neeraj Karhade - Chief Financial Officer

    Neeraj Karhade, the Chief Financial Officer at ACA, manages the company's financial health and strategic fiscal planning. Karhade oversees all financial operations, including budgeting, forecasting, and resource allocation across ACA's global service offerings. This critical role ensures financial stability and supports the company's organic growth and acquisition strategies. By optimizing financial performance, Neeraj Karhade directly contributes to the firm's ability to invest in new technologies and expand its GRC and advisory services. The Chief Financial Officer's responsibilities extend to managing investor relations and ensuring compliance with all financial regulations. Karhade's expertise in financial management is essential for sustaining ACA's market position and driving profitability. Through meticulous financial oversight, Neeraj Karhade safeguards the company's assets and enables strategic investments in areas like regulatory technology and AML services.
    Neeraj Karhade

    Walter Costenbader - Chief Financial Officer & Chief Compliance Officer, Amp & Chief Operations Officer, Amp

    Walter Costenbader, the Chief Financial Officer & Chief Compliance Officer, Amp & Chief Operations Officer, Amp at ACA, holds multifaceted leadership responsibilities within the Amp division. Costenbader directs financial strategy, ensures rigorous compliance adherence, and oversees operational execution for this specific business unit. This integrated role is essential for managing the financial integrity, regulatory standing, and day-to-day activities of the Amp operations. By providing comprehensive oversight, Walter Costenbader ensures that the Amp division operates efficiently and in full accordance with all applicable financial and compliance mandates. The combined executive functions under Costenbader's purview are critical for driving the success and strategic objectives of the Amp segment. Costenbader's leadership ensures robust financial controls, proactive compliance management, and streamlined operations, contributing significantly to ACA's overall business objectives and market presence.

    Jean-Christophe Chandumont - Chief Operating Officer

    Jean-Christophe Chandumont, the Chief Operating Officer at ACA, directs the operational efficiency and service delivery across the organization. Chandumont oversees the integration of acquired businesses and the scaling of existing GRC and technology solutions. This leadership position is vital for ensuring seamless client experiences and optimizing internal processes. By streamlining operations, Jean-Christophe Chandumont enhances ACA's capacity to deliver comprehensive services, including cybersecurity risk, ESG advisory, and financial reporting. The Chief Operating Officer's focus includes managing global teams and implementing best practices in service management. Chandumont's operational acumen is key to maintaining ACA's reputation for reliability and excellence. Through strategic operational management, Jean-Christophe Chandumont ensures that ACA effectively supports clients in navigating complex regulatory environments and achieving their compliance objectives.
    Jean-Christophe Chandumont

    Kara Nayden - Chief Operating Officer, Technology

    Kara Nayden, the Chief Operating Officer, Technology at ACA, leads the technological infrastructure and operational execution of the company's tech-focused GRC solutions. Nayden is responsible for the development and deployment of regulatory technology, cybersecurity platforms, and data analytics services. This role is crucial for ensuring ACA's technological offerings remain at the forefront of the industry. By driving technological innovation and operational excellence, Kara Nayden enhances the value proposition for clients seeking advanced compliance and risk management tools. The Chief Operating Officer, Technology's oversight includes managing IT operations, software development lifecycles, and ensuring the security and scalability of ACA's digital services. Nayden's strategic leadership ensures that ACA's technology solutions effectively address the evolving needs of financial institutions and corporations globally. Through robust technological operations, Kara Nayden supports ACA's mission to provide cutting-edge GRC and analytics capabilities.
    Kara Nayden

    Dominic Williams - Director & Chief Operating Officer

    Dominic Williams, the Director & Chief Operating Officer at ACA, oversees critical operational aspects and contributes to the strategic direction of the company. Williams focuses on enhancing operational efficiency and ensuring the effective delivery of ACA's comprehensive suite of GRC and technology solutions. This leadership position is key to optimizing service processes and supporting the firm's expansion into new markets and service areas, such as financial and regulatory reporting. By driving operational improvements, Dominic Williams directly supports ACA's commitment to client success and regulatory adherence. The Director & Chief Operating Officer's responsibilities include managing key operational projects and collaborating with other executives to achieve business objectives. Williams's operational expertise is essential for maintaining ACA's high standards of service quality. Through diligent operational management, Dominic Williams contributes to ACA's sustained growth and its reputation for delivering expert compliance and risk advisory services.

    Carlo Florio - President

    Carlo Florio, the President at ACA, holds a significant leadership position responsible for driving strategic initiatives and overseeing key business segments. Florio's role involves guiding the company's growth trajectory and ensuring the successful execution of its GRC and technology solutions across various markets. This executive function is crucial for maintaining ACA's competitive edge and expanding its service offerings, including AML and financial crimes, and Mirabella for EU operations. By championing strategic priorities, Carlo Florio ensures that ACA remains responsive to evolving client needs and regulatory landscapes. The President's purview extends to fostering strong client relationships and enhancing the company's market presence. Florio's leadership is instrumental in advancing ACA's mission to provide unparalleled compliance and risk management expertise. Through strategic oversight, Carlo Florio contributes to ACA's sustained success and its impact on the global financial services industry.

    Wandile Tsipa - President

    Wandile Tsipa, the President at ACA, plays a pivotal role in shaping the company's strategic direction and operational execution. Tsipa is dedicated to advancing ACA's mission by leading key initiatives that enhance its GRC and technology solutions portfolio, including cybersecurity and technology risk, and ESG advisory. This executive leadership is vital for driving innovation and ensuring the delivery of high-value services to clients worldwide. By focusing on strategic growth and operational excellence, Wandile Tsipa contributes to ACA's market leadership and client satisfaction. The President's responsibilities encompass fostering strong internal collaboration and external partnerships to expand the company's reach and impact. Tsipa's leadership is essential for navigating the complexities of the regulatory environment and maintaining ACA's reputation for expertise. Through strategic vision and operational focus, Wandile Tsipa supports ACA's commitment to providing comprehensive compliance and risk management solutions.

    Jaime Klein - Chief Human Resources Officer

    Jaime Klein, the Chief Human Resources Officer at ACA, leads the strategic development and execution of human capital initiatives across the organization. Klein is responsible for talent acquisition, employee development, compensation and benefits, and fostering a positive corporate culture. This role is fundamental to attracting and retaining the high-caliber talent necessary for ACA's specialized GRC and technology services. By cultivating a strong workforce, Jaime Klein ensures ACA has the expertise to deliver exceptional client outcomes in areas like regulatory reporting and AML services. The Chief Human Resources Officer's strategic focus includes aligning HR policies with business objectives and promoting employee engagement. Klein's leadership in human resources is vital for supporting ACA's growth and maintaining its reputation as an employer of choice. Through effective talent management, Jaime Klein drives organizational effectiveness and supports ACA's mission to provide unparalleled compliance solutions.
    Jaime Klein

    Gladys Ibanez-Alers - Operations Executive & Chief of Staff

    Gladys Ibanez-Alers, the Operations Executive & Chief of Staff at ACA, provides critical support and strategic direction across key operational functions and executive initiatives. Ibanez-Alers works closely with senior leadership to drive operational improvements and manage special projects that enhance ACA's service delivery and business development efforts. This dual role is instrumental in ensuring alignment between strategic goals and operational execution, particularly in areas such as GIPS® standards verification and ESG advisory. By coordinating cross-functional efforts, Gladys Ibanez-Alers facilitates the efficient implementation of company-wide strategies. The Operations Executive & Chief of Staff's responsibilities include optimizing workflows and supporting the executive team in decision-making processes. Ibanez-Alers's contributions are vital for maintaining ACA's operational agility and responsiveness to market demands. Through dedicated operational leadership, Gladys Ibanez-Alers supports ACA's commitment to excellence in compliance and risk management services.

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    Frequently Asked Questions Regarding ACA Top Executives and Leadership Team

    Who leads ACA?
    ACA is led by Patrick Olson (Chief Executive Officer), along with executives such as Neeraj Karhade (Chief Financial Officer) and Walter Costenbader (Chief Financial Officer & Chief Compliance Officer, Amp & Chief Operations Officer, Amp).
    Who is part of ACA’s executive team?
    The executive team of ACA includes leaders such as Patrick Olson (Chief Executive Officer), Neeraj Karhade (Chief Financial Officer), Walter Costenbader (Chief Financial Officer & Chief Compliance Officer, Amp & Chief Operations Officer, Amp) and other senior executives.
    How many executives does ACA have?
    ACA has 10 executives leading key business areas.
    What roles are included in ACA’s leadership team?
    The leadership team of ACA includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Financial Officer & Chief Compliance Officer, Amp & Chief Operations Officer, Amp, Chief Operating Officer, Chief Operating Officer, Technology.