Children's Wisconsin Executive and Leadership Team

September, 2026

Leadership Overview

Children's Wisconsin has 10 executives leading key functions including strategic oversight, operational management, medical excellence, and financial stability.

Committed to pediatric health excellence, Children's Wisconsin advances specialized care through a mission focused on treating complex illnesses and injuries for children across the Midwest region.

Leadership Roles at Children's Wisconsin

  • President & Chief Executive Officer - Gil Peri
  • Chief of Staff & Chief Executive Officer, Office of - Juliya Buettner
  • Senior Vice President & Chief Financial Officer - Marc Cadieux
  • President & Chief Operating Officer - Jonathan Brouk
  • Chief Operating Officer, Children's Specialty Group - Benjamin Dahlberg
  • President, Medical Staff - Danny Thomas
  • President, Primary Care, Children's Wisconsin - Michael Gutzeit
  • Chief Medical Officer - Michelle Linsmeier
  • Chief Medical Officer, Neonatologist - Paul Myers
  • Chief Marketing & Communications Officer - Anne Martino
  • Gil Peri - President & Chief Executive Officer

    Gil Peri, the President & Chief Executive Officer at Children's Wisconsin, directs the overarching strategic vision for this Level I Pediatric Trauma Center. Peri architects long-term growth initiatives while ensuring the organization maintains its status as a premier destination for pediatric care across Wisconsin, Michigan, and northern Illinois. By aligning clinical outcomes with institutional goals, the President & Chief Executive Officer fosters a culture of innovation and safety. This leadership role involves constant collaboration with the Board to address complex birth defects and chronic disorders. Gil Peri drives the mission forward by optimizing resource allocation and expanding the reach of specialized medical services. Through rigorous oversight of hospital operations, the President & Chief Executive Officer secures the financial and operational health of the institution, ultimately ensuring that every child receives world-class treatment regardless of the severity of the medical condition.

    Juliya Buettner - Chief of Staff & Chief Executive Officer, Office of

    Juliya Buettner, the Chief of Staff & Chief Executive Officer, Office of at Children's Wisconsin, facilitates executive decision-making and organizational alignment. Buettner manages the administrative functions of the executive office, ensuring that strategic priorities remain focused on pediatric trauma and specialized care. By coordinating communication between the C-suite and clinical leadership, the Chief of Staff & Chief Executive Officer, Office of maintains operational cohesion across the entire hospital network. Juliya Buettner drives the implementation of institutional policies that support the treatment of birth defects and complex disorders. This role involves managing high-level projects that impact the regional delivery of care throughout the Midwest. Through effective governance and process optimization, the Chief of Staff & Chief Executive Officer, Office of ensures that the organization remains responsive to the evolving needs of patients and families, while upholding the rigorous standards established by the American College of Surgeons.

    Marc Cadieux - Senior Vice President & Chief Financial Officer

    Marc Cadieux, the Senior Vice President & Chief Financial Officer at Children's Wisconsin, manages the fiscal health and long-term financial planning of the institution. Cadieux architects robust financial strategies that support the hospital's mission as a Level I Pediatric Trauma Center. By overseeing capital investments and operational budgets, the Senior Vice President & Chief Financial Officer ensures that the facility possesses the necessary resources to treat complex illnesses and birth defects. Marc Cadieux monitors regional economic trends to maintain the financial viability of services provided to children across Wisconsin and neighboring states. This role involves collaborating with other executives to prioritize funding for medical innovation and infrastructure upgrades. Through disciplined financial oversight, the Senior Vice President & Chief Financial Officer secures the stability required to sustain high-quality pediatric care, ensuring that the organization continues to serve as a vital resource for families throughout the Midwest.
    Marc Cadieux

    Jonathan Brouk - President & Chief Operating Officer

    Jonathan Brouk, the President & Chief Operating Officer at Children's Wisconsin, manages the daily execution of clinical and administrative workflows. Brouk oversees the integration of trauma services and specialized care units to maximize efficiency across the hospital system. By streamlining patient intake and resource deployment, the President & Chief Operating Officer ensures that the facility meets the high standards required of a Level I Pediatric Trauma Center. Jonathan Brouk coordinates with department heads to refine operational protocols, directly impacting the quality of care provided to children from Wisconsin and surrounding states. This role requires constant monitoring of hospital capacity and service delivery models to address diverse pediatric health needs. Through meticulous management of internal systems, the President & Chief Operating Officer supports the broader mission of delivering comprehensive medical solutions for complex illnesses, injuries, and congenital disorders.
    Jonathan Brouk

    Benjamin Dahlberg - Chief Operating Officer, Children's Specialty Group

    Benjamin Dahlberg, the Chief Operating Officer, Children's Specialty Group at Children's Wisconsin, directs the operational performance of specialized medical teams. Dahlberg architects scalable workflows for pediatric specialists, ensuring that clinical expertise aligns with the hospital's mission to treat complex disorders. By managing the logistical requirements of the specialty group, the Chief Operating Officer, Children's Specialty Group enhances the delivery of care for patients traveling from across the region. Benjamin Dahlberg coordinates with medical staff to optimize patient throughput and clinical outcomes in trauma and surgical departments. This leadership role involves balancing resource demands with the need for high-quality, compassionate care. Through the strategic management of specialty services, the Chief Operating Officer, Children's Specialty Group supports the hospital's reputation as a leader in pediatric medicine, ensuring that specialized medical interventions remain accessible and effective for all children requiring advanced treatment.

    Danny Thomas - President, Medical Staff

    Danny Thomas, the President, Medical Staff at Children's Wisconsin, represents the interests and professional standards of the hospital's physicians. Thomas architects collaborative relationships between the medical staff and hospital administration to ensure seamless patient care. By fostering a culture of professional development and clinical accountability, the President, Medical Staff maintains the high standards expected of a Level I Pediatric Trauma Center. Danny Thomas coordinates with department leads to address the needs of children with diverse illnesses and injuries. This role involves facilitating communication and consensus among the medical team to support the hospital's overarching mission. Through active engagement with the medical community, the President, Medical Staff ensures that the institution attracts and retains top-tier talent, ultimately driving the quality of care for patients across Wisconsin and the surrounding regions while upholding the values of the organization.
    Danny Thomas

    Michael Gutzeit - President, Primary Care, Children's Wisconsin

    Michael Gutzeit, the President, Primary Care, Children's Wisconsin at Children's Wisconsin, directs the expansion and quality of primary care services across the network. Gutzeit architects community-based health initiatives that provide essential support for children before and after specialized trauma care. By overseeing the primary care division, the President, Primary Care, Children's Wisconsin ensures that families have access to consistent, high-quality medical guidance throughout the region. Michael Gutzeit coordinates with specialty departments to create a continuum of care that addresses both routine health needs and complex disorders. This role involves managing the growth of primary care clinics to reach more children in Wisconsin and beyond. Through the strategic development of primary care networks, the President, Primary Care, Children's Wisconsin strengthens the overall health ecosystem, ensuring that the institution remains a comprehensive partner in pediatric wellness and long-term disease management.
    Michael Gutzeit

    Michelle Linsmeier - Chief Medical Officer

    Michelle Linsmeier, the Chief Medical Officer at Children's Wisconsin, directs the clinical standards and medical quality across the hospital system. Linsmeier architects evidence-based care protocols that define the treatment of pediatric illnesses and injuries. By overseeing the medical staff and clinical departments, the Chief Medical Officer ensures that all procedures meet the rigorous requirements of a Level I Pediatric Trauma Center. Michelle Linsmeier collaborates with other leaders to integrate new medical technologies and research into daily practice. This role involves maintaining high standards of patient safety and clinical excellence for children from Wisconsin, Michigan, and northern Illinois. Through the continuous evaluation of medical outcomes, the Chief Medical Officer drives improvements in care delivery, ensuring that the institution remains at the forefront of pediatric medicine while addressing the complex needs of patients with birth defects and chronic disorders.
    Michelle Linsmeier

    Paul Myers - Chief Medical Officer, Neonatologist

    Paul Myers, the Chief Medical Officer, Neonatologist at Children's Wisconsin, focuses on the clinical excellence of neonatal care and specialized medical services. Myers architects advanced treatment plans for the most vulnerable patients, ensuring that neonatal units operate with precision and safety. By leveraging expertise as a neonatologist, the Chief Medical Officer, Neonatologist provides critical guidance on the management of birth defects and complex neonatal disorders. Paul Myers oversees the clinical performance of the neonatal team, ensuring alignment with the hospital's mission as a Level I Pediatric Trauma Center. This role involves coordinating with other medical leaders to enhance the quality of care for infants across the regional network. Through the application of specialized medical knowledge, the Chief Medical Officer, Neonatologist drives superior health outcomes, ensuring that the institution provides comprehensive support for newborns and their families throughout the Midwest.

    Anne Martino - Chief Marketing & Communications Officer

    Anne Martino, the Chief Marketing & Communications Officer at Children's Wisconsin, directs the brand strategy and public engagement efforts for the hospital. Martino architects communication campaigns that highlight the institution's role as a Level I Pediatric Trauma Center. By managing the public narrative, the Chief Marketing & Communications Officer ensures that families and stakeholders understand the specialized care available for illnesses, injuries, and birth defects. Anne Martino coordinates with clinical leaders to share success stories and educational resources that support the hospital's mission. This role involves overseeing digital and traditional media channels to reach audiences across Wisconsin, Michigan, and northern Illinois. Through the strategic management of the brand, the Chief Marketing & Communications Officer drives awareness and trust, ensuring that the organization remains the preferred choice for pediatric medical services while effectively communicating the impact of the hospital's work to the broader community.

    Explore Leadership Teams in Hospitals & Physicians Clinics

    Frequently Asked Questions Regarding Children's Wisconsin Top Executives and Leadership Team

    Who leads Children's Wisconsin?
    Children's Wisconsin is led by Gil Peri (President & Chief Executive Officer), along with executives such as Juliya Buettner (Chief of Staff & Chief Executive Officer, Office of) and Marc Cadieux (Senior Vice President & Chief Financial Officer).
    Who is part of Children's Wisconsin’s executive team?
    The executive team of Children's Wisconsin includes leaders such as Gil Peri (President & Chief Executive Officer), Juliya Buettner (Chief of Staff & Chief Executive Officer, Office of), Marc Cadieux (Senior Vice President & Chief Financial Officer) and other senior executives.
    How many executives does Children's Wisconsin have?
    Children's Wisconsin has 10 executives leading key business areas.
    What roles are included in Children's Wisconsin’s leadership team?
    The leadership team of Children's Wisconsin includes roles such as President & Chief Executive Officer, Chief of Staff & Chief Executive Officer, Office of, Senior Vice President & Chief Financial Officer, President & Chief Operating Officer, Chief Operating Officer, Children's Specialty Group.