Rothman Orthopaedics Executive and Leadership Team

May, 2026

Leadership Overview

Rothman Orthopaedics has 8 executives leading key functions including strategy, operations, information technology, finance, surgery, and market expansion.

Driven by a commitment to patient care, Rothman Orthopaedics advances orthopedic medicine through dedicated service and innovation, impacting communities across its operational footprint.

Leadership Roles at Rothman Orthopaedics

  • Chief Executive Officer & Co-Founder - Charlotte Castillon
  • Interim Chief Financial Officer - Andy Thung
  • Chief Operating Officer - May Kane
  • President and Chairman of Orthopaedic Surgery - Florida - Daryl Osbahr
  • President The Robotic Spine Institute of Jersey - Kornelis Poelstra
  • President - Alexander Md
  • President - Alexander Vaccaro
  • Chief Information Officer - Bryant Stetz
  • Charlotte Castillon - Chief Executive Officer & Co-Founder

    Charlotte Castillon, the Chief Executive Officer & Co-Founder at Rothman Orthopaedics, directs the overarching strategic vision and operational framework for the organization. Castillon's leadership guides the company's expansion and commitment to providing comprehensive orthopedic care. This executive ensures alignment across all departments, fostering an environment of innovation and patient-centric service. Charlotte Castillon's role involves cultivating key partnerships and driving initiatives that enhance the institute's market position and service delivery. The focus remains on sustainable growth and maintaining the highest standards of medical excellence. This involves strategic planning for new service lines and geographic penetration, directly supporting the company's mission to serve communities with advanced orthopedic solutions. Castillon's influence extends to shaping the long-term trajectory of Rothman Orthopaedics, ensuring its continued leadership in the field.

    Andy Thung - Interim Chief Financial Officer

    Andy Thung, the Interim Chief Financial Officer at Rothman Orthopaedics, directs the financial planning, budgeting, and reporting functions for the organization. Thung's oversight ensures fiscal responsibility and supports strategic growth initiatives through sound financial management. This executive role involves managing financial operations, including revenue cycle management, cost control, and investment strategies. Andy Thung collaborates with department heads to provide financial insights and guidance, enabling informed decision-making across the institute. The Interim Chief Financial Officer is instrumental in maintaining the financial health and stability of Rothman Orthopaedics. Thung's expertise supports the institute's commitment to expanding its services while upholding financial integrity. Andy Thung's leadership ensures robust financial controls are in place to support the organization's long-term objectives.

    May Kane - Chief Operating Officer

    May Kane, the Chief Operating Officer at Rothman Orthopaedics, oversees the day-to-day operational execution and efficiency across all facilities. Kane's responsibilities encompass optimizing patient flow, managing administrative functions, and ensuring seamless service delivery in line with the company's strategic objectives. This leadership position involves direct oversight of departmental operations, driving process improvements to enhance patient experience and operational throughput. May Kane works closely with other executives to implement policies that support the institute's growth and commitment to high-quality care. The Chief Operating Officer ensures that resources are allocated effectively to meet patient demand and maintain operational excellence. Bryant Stetz collaborates with Kane to integrate technological solutions that streamline workflows. May Kane's focus is on operational scalability and maintaining the integrity of patient care services across all locations.

    Daryl Osbahr - President and Chairman of Orthopaedic Surgery - Florida

    Daryl Osbahr, the President and Chairman of Orthopaedic Surgery - Florida at Rothman Orthopaedics, leads the surgical division's strategic direction and clinical operations within the Florida region. Osbahr's purview includes advancing surgical techniques, ensuring the highest standards of patient care, and fostering a culture of clinical excellence. This leadership role involves overseeing surgical teams, managing departmental resources, and driving innovation in orthopedic procedures. Daryl Osbahr collaborates with administrative leadership to expand the institute's surgical services and patient reach in Florida. The President and Chairman of Orthopaedic Surgery - Florida champions advancements in patient treatment and surgical outcomes. Alexander Vaccaro works with Osbahr to align surgical strategies across different regions. Daryl Osbahr's dedication ensures the Florida division upholds Rothman Orthopaedics' reputation for superior surgical care.
    Daryl Osbahr

    Kornelis Poelstra - President The Robotic Spine Institute of Jersey

    Kornelis Poelstra, the President The Robotic Spine Institute of Jersey at Rothman Orthopaedics, spearheads the development and clinical application of robotic spine surgery. Poelstra directs the institute's focus on advanced minimally invasive techniques, enhancing patient recovery and surgical precision. This executive role involves leading a specialized team of surgeons and support staff, ensuring the highest quality of care for spinal conditions. Kornelis Poelstra collaborates with research and development teams to integrate cutting-edge robotic technologies into patient treatment plans. The President The Robotic Spine Institute of Jersey is committed to advancing the field of spine surgery through innovation and expertise. Alexander Md works with Poelstra to integrate specialized robotic services. Kornelis Poelstra's leadership elevates Rothman Orthopaedics' capabilities in complex spinal interventions.
    Kornelis Poelstra

    Alexander Md - President

    Alexander Md, the President at Rothman Orthopaedics, drives strategic initiatives and operational oversight across key areas of the organization. Md's leadership focuses on enhancing service delivery and expanding the institute's reach within its target markets. This executive role involves fostering collaboration among different divisions to ensure cohesive execution of the company's mission. Alexander Md works closely with other senior leaders to identify opportunities for growth and service improvement. The President plays a vital part in upholding the institute's commitment to patient-centered care and clinical excellence. Kornelis Poelstra collaborates with Md to advance specialized robotic services. Alexander Md's strategic direction supports Rothman Orthopaedics' ongoing success and commitment to orthopedic innovation.

    Alexander Vaccaro - President

    Alexander Vaccaro, the President at Rothman Orthopaedics, directs the strategic vision and clinical advancement of the organization's orthopedic services. Vaccaro's leadership emphasizes innovation in patient care and the development of new treatment modalities. This executive role involves overseeing clinical research, surgical excellence, and the integration of advanced medical technologies. Alexander Vaccaro collaborates with departmental leaders to ensure the highest standards of patient outcomes and satisfaction. The President is dedicated to advancing the field of orthopedics through research, education, and exceptional clinical practice. Daryl Osbahr works with Vaccaro to align surgical strategies across regions. Alexander Vaccaro's commitment ensures Rothman Orthopaedics remains a leader in orthopedic medicine.

    Bryant Stetz - Chief Information Officer

    Bryant Stetz, the Chief Information Officer at Rothman Orthopaedics, architects and manages the organization's technology infrastructure and digital strategy. Stetz directs the implementation of innovative IT solutions that enhance patient care, operational efficiency, and data security. This role involves overseeing all aspects of information systems, including electronic health records, network management, and cybersecurity protocols. Bryant Stetz collaborates with clinical and administrative teams to ensure technology supports the institute's mission of providing advanced orthopedic services. The Chief Information Officer plays a crucial part in leveraging data analytics for strategic decision-making and improving patient outcomes. May Kane partners with Stetz to align IT initiatives with operational goals. Bryant Stetz's leadership ensures Rothman Orthopaedics remains at the forefront of technological adoption in healthcare.

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    Frequently Asked Questions Regarding Rothman Orthopaedics Top Executives and Leadership Team

    Who leads Rothman Orthopaedics?
    Rothman Orthopaedics is led by Charlotte Castillon (Chief Executive Officer & Co-Founder), along with executives such as Andy Thung (Interim Chief Financial Officer) and May Kane (Chief Operating Officer).
    Who is part of Rothman Orthopaedics’s executive team?
    The executive team of Rothman Orthopaedics includes leaders such as Charlotte Castillon (Chief Executive Officer & Co-Founder), Andy Thung (Interim Chief Financial Officer), May Kane (Chief Operating Officer) and other senior executives.
    How many executives does Rothman Orthopaedics have?
    Rothman Orthopaedics has 8 executives leading key business areas.
    What roles are included in Rothman Orthopaedics’s leadership team?
    The leadership team of Rothman Orthopaedics includes roles such as Chief Executive Officer & Co-Founder, Interim Chief Financial Officer, Chief Operating Officer, President and Chairman of Orthopaedic Surgery - Florida, President The Robotic Spine Institute of Jersey.