Success Academy Charter Schools Executive and Leadership Team

October, 2026

Leadership Overview

Success Academy Charter Schools has 7 executives leading key functions including strategy, marketing, technology, operations, executive administration, program management, and support services.

Committed to academic excellence and rigorous educational standards, Success Academy Charter Schools transforms public education through a high-performing network of schools that prepares students for college and career success.

Leadership Roles at Success Academy Charter Schools

  • Chief Executive Officer & Founder - Eva Moskowitz
  • Chief Operating Officer - David Ellner
  • President of PCEC - Shanna Sanchez
  • Chief Marketing Officer - Nadina Guglielmetti
  • Chief Technology Officer - Miles Braffett
  • Lead, Chief of Staff To the EPO - Gideon Caller
  • Support Executive & Assistant - Jillian Spike
  • Eva Moskowitz - Chief Executive Officer & Founder

    Eva Moskowitz, the Chief Executive Officer & Founder at Success Academy Charter Schools, directs the overarching vision and strategic growth of the entire network. By establishing high academic benchmarks, the Chief Executive Officer & Founder ensures that every school maintains a culture of achievement and intellectual rigor. This leadership role involves constant engagement with the Board to refine educational models and expand the footprint of the organization across New York City. Eva Moskowitz drives the mission to provide world-class public education, focusing on long-term sustainability and student outcomes. Through the implementation of innovative curricula and data-driven instruction, the Chief Executive Officer & Founder secures the future of the network. Moskowitz maintains a relentless focus on excellence, ensuring that the organization remains a leader in the K-12 education sector while navigating complex regulatory environments and community needs.

    David Ellner - Chief Operating Officer

    David Ellner, the Chief Operating Officer at Success Academy Charter Schools, manages the daily logistical functions and facility operations that sustain the network. By overseeing supply chain logistics and school site maintenance, the Chief Operating Officer ensures that every campus remains a safe and productive environment for students. This role involves coordinating with regional leadership to streamline administrative processes and improve resource allocation across the organization. David Ellner drives operational efficiency by implementing standardized protocols that reduce waste and enhance service delivery. Through the management of complex facility projects, the Chief Operating Officer supports the expansion of the network into new areas. Ellner maintains a focus on fiscal responsibility and operational excellence, ensuring that the infrastructure of the organization aligns with the high academic standards set by the leadership team.

    Shanna Sanchez - President of PCEC

    Shanna Sanchez, the President of PCEC at Success Academy Charter Schools, directs the specialized programs and community engagement efforts that define the unique educational experience of the network. By overseeing the development of extracurricular and enrichment activities, the President of PCEC ensures that students receive a holistic education beyond the standard curriculum. This role involves building partnerships with external organizations to provide additional resources and opportunities for the student body. Shanna Sanchez drives the implementation of programs that foster student leadership and personal growth. Through the management of these initiatives, the President of PCEC supports the mission of preparing students for long-term success. Sanchez monitors program efficacy and student participation rates, ensuring that all enrichment activities align with the core values and academic goals of the organization.

    Nadina Guglielmetti - Chief Marketing Officer

    Nadina Guglielmetti, the Chief Marketing Officer at Success Academy Charter Schools, manages brand identity and community engagement strategies to increase awareness of the network. By overseeing outreach initiatives, the Chief Marketing Officer ensures that families across diverse neighborhoods understand the value proposition of the schools. This role involves crafting compelling narratives that highlight student success and academic achievements to attract prospective families and stakeholders. Nadina Guglielmetti directs digital campaigns and public relations efforts that solidify the reputation of the organization within the competitive education landscape. Through strategic communication, the Chief Marketing Officer aligns public perception with the core mission of providing high-quality schooling. Guglielmetti monitors market trends and enrollment data to optimize outreach, ensuring that the network effectively reaches target demographics while maintaining a strong, positive presence in the public sphere.

    Miles Braffett - Chief Technology Officer

    Miles Braffett, the Chief Technology Officer at Success Academy Charter Schools, architects the digital infrastructure necessary to support modern classroom learning and administrative efficiency. By implementing scalable software solutions, the Chief Technology Officer ensures that teachers and staff possess the tools required for data-driven instruction. This leadership role involves managing cybersecurity protocols and network reliability across all school sites to protect sensitive student information. Miles Braffett drives the integration of educational technology, facilitating seamless access to digital resources that enhance the learning experience. Through the deployment of robust hardware and software systems, the Chief Technology Officer supports the operational backbone of the network. Braffett continuously evaluates emerging technologies to maintain a competitive edge, ensuring that the organization remains at the forefront of digital transformation within the K-12 education sector.

    Gideon Caller - Lead, Chief of Staff To the EPO

    Gideon Caller, the Lead, Chief of Staff To the EPO at Success Academy Charter Schools, coordinates high-level strategic initiatives and facilitates communication between the executive office and various departments. By managing the workflow of the Education Program Office, the Lead, Chief of Staff To the EPO ensures that organizational priorities receive immediate attention and resources. This role involves synthesizing complex data to assist in decision-making processes that impact the entire network. Gideon Caller drives cross-functional collaboration, ensuring that different teams remain aligned with the overarching goals of the organization. Through the oversight of key projects, the Lead, Chief of Staff To the EPO maintains the momentum of strategic programs. Caller acts as a central point of contact for internal stakeholders, ensuring that the executive vision translates into actionable tasks that improve school performance and operational effectiveness.

    Jillian Spike - Support Executive & Assistant

    Jillian Spike, the Support Executive & Assistant at Success Academy Charter Schools, manages the administrative workflow and scheduling requirements for the senior leadership team. By coordinating complex calendars and facilitating communication, the Support Executive & Assistant ensures that executives remain focused on high-priority strategic tasks. This role involves organizing board meetings and preparing essential documentation that supports the governance of the network. Jillian Spike drives the efficiency of the executive office by streamlining administrative processes and managing internal inquiries. Through the maintenance of organized records and clear communication channels, the Support Executive & Assistant supports the overall operational flow of the organization. Spike provides critical administrative backing, ensuring that the leadership team operates with precision and maintains focus on the long-term objectives of the school network.

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    Frequently Asked Questions Regarding Success Academy Charter Schools Top Executives and Leadership Team

    Who leads Success Academy Charter Schools?
    Success Academy Charter Schools is led by Eva Moskowitz (Chief Executive Officer & Founder), along with executives such as David Ellner (Chief Operating Officer) and Shanna Sanchez (President of PCEC).
    Who is part of Success Academy Charter Schools’s executive team?
    The executive team of Success Academy Charter Schools includes leaders such as Eva Moskowitz (Chief Executive Officer & Founder), David Ellner (Chief Operating Officer), Shanna Sanchez (President of PCEC) and other senior executives.
    How many executives does Success Academy Charter Schools have?
    Success Academy Charter Schools has 7 executives leading key business areas.
    What roles are included in Success Academy Charter Schools’s leadership team?
    The leadership team of Success Academy Charter Schools includes roles such as Chief Executive Officer & Founder, Chief Operating Officer, President of PCEC, Chief Marketing Officer, Chief Technology Officer.