The Pingry School Executive and Leadership Team

May, 2026

Leadership Overview

The Pingry School has 6 executives leading key functions including finance, operations, and alumni relations.

Driven by a commitment to academic excellence, The Pingry School fosters intellectual curiosity and personal growth, preparing students for impactful futures in a dynamic world.

Leadership Roles at The Pingry School

  • Chief Financial Officer - John Pratt
  • Chief Financial Officer & Controller & Director, Finance & Director, Tax - Alicia Sharma
  • President, Pingry Alumni Association and Member, Board of Trustees - Lori Halivopoulos
  • President- Pingry Alumni Association - Katherine Sartorius
  • President - Brian Combias
  • Chief Financial & Operating Officer - Olaf Weckesser
  • John Pratt - Chief Financial Officer

    John Pratt, the Chief Financial Officer at The Pingry School, directs the institution's financial strategy and fiscal health. Pratt oversees all budgeting, financial planning, and reporting processes, ensuring robust resource allocation to support educational programs and operational needs. This leadership role involves managing investments, optimizing cash flow, and maintaining strong relationships with financial institutions. Pratt's oversight extends to risk management and compliance, safeguarding the school's assets and ensuring adherence to all financial regulations. By meticulously managing the school's financial architecture, John Pratt directly contributes to the long-term stability and growth of The Pingry School, enabling sustained investment in its mission of college preparatory education.

    Alicia Sharma - Chief Financial Officer & Controller & Director, Finance & Director, Tax

    Alicia Sharma, the Chief Financial Officer & Controller & Director, Finance & Director, Tax at The Pingry School, executes comprehensive financial management and tax compliance. Sharma directs the accounting operations, including accounts payable, accounts receivable, and payroll, ensuring accuracy and efficiency. This multifaceted role involves developing and implementing financial policies, managing internal controls, and overseeing all tax-related matters for the institution. Sharma's responsibilities include preparing financial statements, managing audits, and ensuring compliance with all relevant tax laws and reporting requirements. By maintaining rigorous financial oversight and strategic tax planning, Alicia Sharma supports the operational integrity and financial sustainability of The Pingry School's educational mission.

    Lori Halivopoulos - President, Pingry Alumni Association and Member, Board of Trustees

    Lori Halivopoulos, the President, Pingry Alumni Association and Member, Board of Trustees at The Pingry School, champions alumni engagement and provides strategic governance. Halivopoulos leads initiatives to foster strong connections within the alumni network, encouraging continued support for the school's objectives. This dual role involves guiding the Alumni Association's activities and contributing to the overarching strategic direction of the school as a Board member. Halivopoulos's leadership ensures that alumni perspectives are integrated into institutional planning and that the association actively supports the school's mission. By bridging the alumni community and the Board, Lori Halivopoulos enhances the school's capacity for philanthropic support and long-term vision.

    Katherine Sartorius - President- Pingry Alumni Association

    Katherine Sartorius, the President- Pingry Alumni Association at The Pingry School, spearheads efforts to cultivate and strengthen the school's alumni community. Sartorius leads the development and execution of programs designed to engage former students, foster lifelong connections, and encourage ongoing support for the school's mission. This leadership position involves coordinating alumni events, communication strategies, and volunteer initiatives. Sartorius works to ensure the Alumni Association serves as a vital link between the school and its graduates, promoting networking opportunities and shared pride. Through dedicated leadership, Katherine Sartorius enhances the vibrancy and impact of the Pingry alumni network, contributing to the school's enduring legacy.

    Brian Combias - President

    Brian Combias, the President at The Pingry School, provides executive leadership and strategic direction for the entire institution. Combias guides the school's mission, vision, and long-term planning, ensuring alignment across all departments and initiatives. This role involves fostering a culture of academic excellence, innovation, and community engagement. Combias collaborates closely with the Board of Trustees and senior leadership to advance the school's educational objectives and operational effectiveness. The President's purview includes overseeing curriculum development, faculty support, and student life, ensuring a high-quality educational experience. Through decisive leadership, Brian Combias drives the continued success and advancement of The Pingry School.

    Olaf Weckesser - Chief Financial & Operating Officer

    Olaf Weckesser, the Chief Financial & Operating Officer at The Pingry School, directs the institution's financial health and operational efficiency. Weckesser oversees all aspects of financial management, including budgeting, forecasting, and resource allocation, alongside managing the school's day-to-day operations. This includes facilities management, campus infrastructure, and administrative services, ensuring a conducive environment for learning and growth. Weckesser's strategic focus involves optimizing operational processes to enhance efficiency and reduce costs, thereby maximizing the impact of financial resources on educational delivery. By integrating financial acumen with operational expertise, Olaf Weckesser drives the sustainable development and effective functioning of The Pingry School.
    Olaf Weckesser

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    Frequently Asked Questions Regarding The Pingry School Top Executives and Leadership Team

    Who leads The Pingry School?
    The Pingry School is led by John Pratt (Chief Financial Officer), along with executives such as Alicia Sharma (Chief Financial Officer & Controller & Director, Finance & Director, Tax) and Lori Halivopoulos (President, Pingry Alumni Association and Member, Board of Trustees).
    Who is part of The Pingry School’s executive team?
    The executive team of The Pingry School includes leaders such as John Pratt (Chief Financial Officer), Alicia Sharma (Chief Financial Officer & Controller & Director, Finance & Director, Tax), Lori Halivopoulos (President, Pingry Alumni Association and Member, Board of Trustees) and other senior executives.
    How many executives does The Pingry School have?
    The Pingry School has 6 executives leading key business areas.
    What roles are included in The Pingry School’s leadership team?
    The leadership team of The Pingry School includes roles such as Chief Financial Officer, Chief Financial Officer & Controller & Director, Finance & Director, Tax, President, Pingry Alumni Association and Member, Board of Trustees, President- Pingry Alumni Association, President.