Rothman Orthopaedics Executive and Leadership Team

August, 2026

Leadership Overview

Rothman Orthopaedics has 7 executives leading key functions including strategy, operations, financial oversight, surgical leadership, and robotic innovation.

Committed to excellence in musculoskeletal health, Rothman Orthopaedics delivers comprehensive orthopedic care and specialized medical services to communities across the United States.

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 - Alexander Vaccaro
  • President - Alexander Md
  • President The Robotic Spine Institute of Jersey - Kornelis Poelstra
  • Charlotte Castillon - Chief Executive Officer & Co-Founder

    Charlotte Castillon, the Chief Executive Officer & Co-Founder at Rothman Orthopaedics, directs the overarching strategic vision for this private orthopedic practice. By aligning clinical excellence with patient-centered care, the Chief Executive Officer & Co-Founder ensures the organization maintains high standards across all medical facilities. Charlotte Castillon manages the expansion of service lines while fostering partnerships that enhance community access to specialized musculoskeletal treatments. This leadership role involves constant evaluation of market trends to maintain a competitive edge in the healthcare sector. By prioritizing operational efficiency and clinical outcomes, the Chief Executive Officer & Co-Founder drives sustainable growth for the entire practice. Through rigorous oversight of administrative and medical departments, the executive secures the long-term viability of the institution. Castillon remains focused on scaling the reach of the practice while upholding the foundational mission of providing superior orthopedic care to diverse patient populations.

    Andy Thung - Interim Chief Financial Officer

    Andy Thung, the Interim Chief Financial Officer at Rothman Orthopaedics, directs the fiscal strategy and financial planning for the organization. Managing the capital allocation and budgetary requirements, the Interim Chief Financial Officer ensures the practice maintains a robust financial position to support ongoing clinical expansion. Andy Thung analyzes revenue cycles and cost structures to identify opportunities for improved profitability and operational efficiency. This leadership role involves close collaboration with the executive team to align financial goals with the long-term mission of providing community-based orthopedic care. By implementing rigorous financial controls and reporting standards, the Interim Chief Financial Officer safeguards the assets of the practice. Thung monitors market fluctuations and healthcare reimbursement trends to mitigate risks and capitalize on growth opportunities. Through precise financial modeling and strategic investment, the executive provides the necessary resources to sustain high-quality medical services across all regional operations.

    May Kane - Chief Operating Officer

    May Kane, the Chief Operating Officer at Rothman Orthopaedics, manages the daily clinical and administrative workflows across all practice locations. Overseeing the integration of patient care services, the Chief Operating Officer ensures that operational protocols meet the highest safety and efficiency benchmarks. May Kane coordinates with department heads to optimize resource allocation and staffing levels, directly impacting the quality of care delivered to patients. This role requires constant monitoring of facility performance and the implementation of standardized procedures to streamline patient intake and recovery processes. By refining the internal infrastructure, the Chief Operating Officer supports the broader mission of providing accessible orthopedic services. Kane drives initiatives that improve patient satisfaction scores and reduce wait times throughout the network. Through meticulous management of daily operations, the executive ensures that the practice functions as a cohesive unit, maintaining excellence in every aspect of the patient experience.

    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 programs and clinical initiatives within the southern market. Overseeing the recruitment of top-tier surgical talent, the President and Chairman of Orthopaedic Surgery - Florida ensures that the practice delivers advanced musculoskeletal care to the region. Daryl Osbahr coordinates with the broader leadership team to implement innovative surgical techniques and patient recovery protocols. This role involves managing the quality assurance of surgical outcomes and fostering a culture of continuous medical education. By driving regional growth and expanding the footprint of the practice, the President and Chairman of Orthopaedic Surgery - Florida strengthens the market position of the organization. Osbahr focuses on integrating evidence-based practices into daily surgical operations to improve patient mobility and health. Through dedicated leadership, the executive ensures that the Florida division remains a leader in orthopedic excellence.
    Daryl Osbahr

    Alexander Vaccaro - President

    Alexander Vaccaro, the President at Rothman Orthopaedics, directs the clinical governance and medical standards for the entire organization. Overseeing the professional development of the medical staff, the President ensures that all practitioners adhere to the highest levels of orthopedic expertise and patient care. Alexander Vaccaro collaborates with other executives to define the strategic direction of the practice, focusing on research-driven advancements in musculoskeletal health. This role involves managing the integration of new medical technologies and clinical research initiatives that enhance the reputation of the practice. By fostering a collaborative environment among surgeons and specialists, the President drives innovation in treatment methodologies. Vaccaro monitors clinical performance metrics to ensure consistent quality across all locations. Through active engagement with the medical community, the executive promotes the mission of the practice, ensuring that patients receive cutting-edge care that addresses complex orthopedic conditions with precision and compassion.

    Alexander Md - President

    Alexander Md, the President at Rothman Orthopaedics, manages the expansion of specialized orthopedic services and the development of new clinical programs. Overseeing the implementation of patient-centered care models, the President ensures that the practice remains at the forefront of musculoskeletal medicine. Alexander Md coordinates with administrative leaders to align clinical goals with the overall business strategy of the organization. This role involves identifying emerging medical trends and incorporating them into the service offerings to better serve the community. By focusing on the optimization of patient outcomes and the enhancement of clinical workflows, the President drives the growth of the practice. Md leads initiatives that improve the accessibility of orthopedic care, ensuring that patients receive timely and effective treatments. Through strategic oversight of clinical departments, the executive maintains the high standards of excellence that define the practice, contributing to the long-term success and reputation of the organization.

    Kornelis Poelstra - President The Robotic Spine Institute of Jersey

    Kornelis Poelstra, the President The Robotic Spine Institute of Jersey at Rothman Orthopaedics, directs the adoption and application of robotic-assisted surgical technologies for spinal procedures. Overseeing the specialized training of surgical teams, the President The Robotic Spine Institute of Jersey ensures that the practice utilizes the most advanced tools to improve patient recovery times and surgical precision. Kornelis Poelstra manages the integration of these robotic systems into the broader clinical framework of the organization. This role involves evaluating new technological advancements and determining their impact on spinal care outcomes. By leading the robotic division, the President The Robotic Spine Institute of Jersey drives innovation and positions the practice as a leader in minimally invasive spine surgery. Poelstra collaborates with other clinical leaders to ensure that robotic protocols align with the overall mission of providing superior orthopedic care. Through technical expertise and strategic leadership, the executive enhances the surgical capabilities of the practice.
    Kornelis Poelstra

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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 7 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.