Mercer Advisors Executive and Leadership Team

October, 2026

Leadership Overview

Mercer Advisors has 10 executives leading key functions including strategy, operations, financial management, human capital, and digital transformation.

Committed to simplifying complex financial lives, Mercer Advisors delivers integrated wealth management solutions that align investment, tax, and estate planning with the long-term goals of families across the nation.

Leadership Roles at Mercer Advisors

  • Chief Executive Officer - Jeffrey Lokken
  • Chief Financial Officer - Gun Keresteci
  • Chief Operating Officer - Loren Pierson
  • President - Alexander Kimura
  • At SD Financial Pathways, Llc Founder & President - Steven Deceuninck
  • President - Daniel Gourvitch
  • Chief of Staff - Josh Cogan
  • Chief of Staff & Senior Director, Firm Partnership - Chloe Balon
  • Chief People Officer - Elizabeth Hioe
  • Chief Technology & Digital Officer - Christine Cataldo
  • Jeffrey Lokken - Chief Executive Officer

    Jeffrey Lokken, the Chief Executive Officer at Mercer Advisors, directs the overarching strategic vision for the national wealth management firm. Lokken defines the long-term trajectory of the organization, ensuring that the integrated approach to financial planning, investment management, and tax strategy remains consistent with fiduciary standards. By overseeing the executive leadership team, the Chief Executive Officer maintains alignment across all departments to support the mission of simplifying financial lives for families. Jeffrey Lokken fosters a culture of personalized guidance, driving the firm toward sustainable growth while maintaining the integrity of client-focused services. Through constant evaluation of market trends and internal performance metrics, the Chief Executive Officer secures the firm's position as a leader in the wealth management industry. Lokken prioritizes the expansion of service capabilities to meet the evolving needs of clients, ensuring that every strategic decision reinforces the commitment to long-term financial success.

    Gun Keresteci - Chief Financial Officer

    Gun Keresteci, the Chief Financial Officer at Mercer Advisors, oversees the financial health and fiscal strategy of the organization. Keresteci manages capital allocation, financial reporting, and budgeting processes to ensure the firm possesses the resources required for sustained growth. By analyzing financial performance data, the Chief Financial Officer provides the insights necessary for the executive team to make informed decisions regarding investments and service expansion. Gun Keresteci maintains the integrity of the firm's financial operations, ensuring that all fiscal activities support the overarching goal of providing high-quality wealth management services. This leadership role involves managing relationships with stakeholders and ensuring compliance with financial regulations. Through the implementation of rigorous financial controls, Keresteci supports the firm's ability to deliver consistent value to clients. The Chief Financial Officer drives fiscal discipline, enabling the firm to navigate market volatility while continuing to invest in the tools and talent necessary for long-term success.
    Gun Keresteci

    Loren Pierson - Chief Operating Officer

    Loren Pierson, the Chief Operating Officer at Mercer Advisors, manages the daily operational infrastructure required to deliver comprehensive wealth management services. Pierson optimizes internal workflows, ensuring that financial planning, estate planning, and insurance services function as a cohesive unit. By streamlining cross-departmental processes, the Chief Operating Officer enhances the efficiency of the firm's national operations. Loren Pierson monitors service delivery standards to guarantee that every client interaction reflects the firm's commitment to personalized guidance. This leadership role involves scaling operational capacity to support the firm's growth across diverse regional markets. Through the implementation of robust management systems, Pierson ensures that the firm maintains high standards of service quality while managing the complexities of an integrated business model. The Chief Operating Officer drives operational excellence, allowing the firm to focus on delivering superior financial outcomes for families while maintaining strict adherence to fiduciary responsibilities.
    Loren Pierson

    Alexander Kimura - President

    Alexander Kimura, the President at Mercer Advisors, leads the execution of the firm's growth strategy and oversees the delivery of wealth management services across the national footprint. Kimura focuses on the expansion of the firm's market presence, ensuring that the integrated approach to financial planning and tax strategy reaches a broader client base. By managing the performance of regional teams, the President ensures that the firm's fiduciary standards are upheld in every market. Alexander Kimura collaborates with other executive leaders to refine the firm's service offerings and adapt to changing client needs. This leadership role involves driving business development initiatives and ensuring that the firm's resources are effectively utilized to support long-term client goals. Through the oversight of regional operations, Kimura maintains the consistency of the firm's service model. The President drives the firm's competitive strategy, enabling the organization to maintain its position as a leader in the wealth management industry while delivering personalized financial solutions.

    Steven Deceuninck - At SD Financial Pathways, Llc Founder & President

    Steven Deceuninck, the At SD Financial Pathways, Llc Founder & President at Mercer Advisors, manages specialized financial planning initiatives that support the firm's broader wealth management objectives. Deceuninck focuses on developing unique pathways for client financial success, ensuring that the firm's integrated approach remains tailored to individual needs. By overseeing the strategic direction of these specialized services, the At SD Financial Pathways, Llc Founder & President contributes to the firm's mission of simplifying financial lives. Steven Deceuninck collaborates with the executive team to integrate these specialized pathways into the firm's national service model. This leadership role involves identifying new opportunities for financial planning innovation and ensuring that all services align with the firm's fiduciary standards. Through the development of these pathways, Deceuninck enhances the firm's ability to provide comprehensive and personalized guidance. The At SD Financial Pathways, Llc Founder & President drives service innovation, ensuring that the firm continues to meet the evolving financial goals of its clients.

    Daniel Gourvitch - President

    Daniel Gourvitch, the President at Mercer Advisors, manages the operational scaling and strategic implementation of the firm's wealth management services. Gourvitch focuses on optimizing the firm's service delivery model to ensure that families receive consistent, high-quality financial planning and investment management. By overseeing the integration of new acquisitions and the expansion of service capabilities, the President ensures that the firm maintains its commitment to long-term stewardship. Daniel Gourvitch collaborates with the executive team to refine the firm's operational processes, driving efficiency and improving the client experience. This leadership role involves managing the execution of strategic initiatives that support the firm's growth across diverse regions. Through the oversight of operational performance, Gourvitch ensures that the firm's resources are effectively aligned with client goals. The President drives the firm's operational strategy, enabling the organization to scale its impact while maintaining the personalized guidance that defines the firm's approach to wealth management.
    Daniel Gourvitch

    Josh Cogan - Chief of Staff

    Josh Cogan, the Chief of Staff at Mercer Advisors, coordinates strategic initiatives and facilitates communication across the executive leadership team. Cogan manages the execution of high-priority projects, ensuring that the firm's integrated approach to wealth management remains a central focus of all organizational activities. By bridging the gap between executive strategy and departmental implementation, the Chief of Staff enhances organizational agility. Josh Cogan monitors the progress of key business objectives, providing the necessary support to ensure that all teams remain aligned with the firm's fiduciary mission. This role involves managing complex workflows and optimizing the use of executive time to drive maximum impact on firm performance. Through the facilitation of cross-functional collaboration, Cogan ensures that the firm's resources are effectively deployed to support long-term client goals. The Chief of Staff maintains a clear view of the firm's operational landscape, enabling the leadership team to respond effectively to market shifts.

    Chloe Balon - Chief of Staff & Senior Director, Firm Partnership

    Chloe Balon, the Chief of Staff & Senior Director, Firm Partnership at Mercer Advisors, manages the strategic integration of firm partnerships and coordinates internal executive operations. Balon drives the development of collaborative relationships that enhance the firm's ability to provide comprehensive wealth management services. By overseeing partnership initiatives, the Chief of Staff & Senior Director, Firm Partnership ensures that external alliances align with the firm's fiduciary values and long-term stewardship goals. Chloe Balon facilitates communication between the executive team and key partners, ensuring that all collaborative efforts contribute to the firm's mission of simplifying financial lives. This role involves identifying opportunities for growth through strategic partnerships and managing the execution of joint initiatives. Through the coordination of these partnerships, Balon strengthens the firm's market position and expands the reach of its integrated financial services. The Chief of Staff & Senior Director, Firm Partnership ensures that all external engagements support the firm's commitment to personalized client guidance.

    Elizabeth Hioe - Chief People Officer

    Elizabeth Hioe, the Chief People Officer at Mercer Advisors, directs the human capital strategy, focusing on talent acquisition, development, and organizational culture. Hioe ensures that the firm attracts and retains the professionals necessary to deliver high-quality financial planning and investment management services. By fostering an environment that prioritizes professional growth and alignment with fiduciary values, the Chief People Officer supports the firm's mission of providing personalized guidance to families. Elizabeth Hioe manages performance management systems and employee engagement initiatives to maintain a high-performing workforce. This leadership role involves designing programs that equip staff with the skills required to navigate the complexities of the wealth management industry. Through the cultivation of a strong corporate culture, Hioe ensures that the firm's values are reflected in every client interaction. The Chief People Officer drives organizational health, enabling the firm to scale its operations while maintaining the quality of its client-focused services.
    Elizabeth Hioe

    Christine Cataldo - Chief Technology & Digital Officer

    Christine Cataldo, the Chief Technology & Digital Officer at Mercer Advisors, architects the digital infrastructure that supports the firm's integrated wealth management services. Cataldo manages the development and implementation of technology solutions that enhance the client experience and streamline internal processes. By overseeing the firm's digital transformation, the Chief Technology & Digital Officer ensures that advisors have access to the tools necessary for effective financial planning and investment management. Christine Cataldo prioritizes the security and scalability of the firm's technology platforms, ensuring that client data remains protected while supporting the firm's growth. This leadership role involves identifying emerging technologies that can improve service delivery and operational efficiency. Through the integration of digital tools, Cataldo enables the firm to provide more personalized and accessible guidance to families. The Chief Technology & Digital Officer drives innovation, ensuring that the firm remains at the forefront of the wealth management industry through the strategic use of technology.
    Christine Cataldo

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    Frequently Asked Questions Regarding Mercer Advisors Top Executives and Leadership Team

    Who leads Mercer Advisors?
    Mercer Advisors is led by Jeffrey Lokken (Chief Executive Officer), along with executives such as Gun Keresteci (Chief Financial Officer) and Loren Pierson (Chief Operating Officer).
    Who is part of Mercer Advisors’s executive team?
    The executive team of Mercer Advisors includes leaders such as Jeffrey Lokken (Chief Executive Officer), Gun Keresteci (Chief Financial Officer), Loren Pierson (Chief Operating Officer) and other senior executives.
    How many executives does Mercer Advisors have?
    Mercer Advisors has 10 executives leading key business areas.
    What roles are included in Mercer Advisors’s leadership team?
    The leadership team of Mercer Advisors includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, President, At SD Financial Pathways, Llc Founder & President.