Leadership Overview
HSS has 10 executives leading key functions including strategy, surgical innovation, regional operations, and digital infrastructure.
Focused on advancing musculoskeletal health, HSS maintains a global reputation for excellence by integrating world-class orthopedic education with cutting-edge clinical care and research initiatives.
Focused on advancing musculoskeletal health, HSS maintains a global reputation for excellence by integrating world-class orthopedic education with cutting-edge clinical care and research initiatives.
Leadership Roles at HSS
M. Baig - Chief Executive Officer
M. Baig, the Chief Executive Officer at HSS, directs the overarching strategic vision for the world's preeminent musculoskeletal hospital. Baig oversees the integration of clinical excellence with academic research to maintain the institution's status as a global leader in orthopedic care. By aligning departmental goals with the long-term mission of the organization, the Chief Executive Officer ensures that patient outcomes remain the primary focus of all medical advancements. M. Baig manages high-level partnerships and resource allocation to support the expansion of specialized surgical services. Through rigorous oversight of institutional performance, the Chief Executive Officer drives operational efficiency across all clinical units. This leadership role involves constant collaboration with the Board to refine the strategic roadmap for future growth. Ultimately, Baig secures the financial and clinical stability required to sustain the hospital's legacy of innovation in the competitive healthcare landscape.
Thaddeus Lazor - Chief Executive Officer & Orthopedic Chief & Surgical Solutions Distribution Precision Surgical Innovations Executive
Thaddeus Lazor, the Chief Executive Officer & Orthopedic Chief & Surgical Solutions Distribution Precision Surgical Innovations Executive at HSS, architects the development and distribution of advanced surgical technologies. Lazor focuses on the intersection of orthopedic clinical practice and precision engineering to enhance patient recovery times. By managing the supply chain for specialized surgical solutions, the Chief Executive Officer & Orthopedic Chief & Surgical Solutions Distribution Precision Surgical Innovations Executive ensures that surgeons possess the most effective tools for complex procedures. Thaddeus Lazor drives the adoption of innovative surgical techniques across the organization, fostering a culture of continuous improvement. This role requires deep coordination with clinical teams to validate new medical devices and protocols. Through the optimization of surgical workflows, the executive improves operational throughput. Ultimately, Lazor elevates the standard of care by bridging the gap between cutting-edge research and practical application in the operating room.
Tara McCoy - Chief Executive Officer, HSS Florida
Tara McCoy, the Chief Executive Officer, HSS Florida at HSS, directs all regional operations and clinical expansion efforts throughout the Florida market. McCoy oversees the implementation of the hospital's signature orthopedic care models to ensure consistent quality across all southern facilities. By managing local stakeholder relationships and regional growth strategies, the Chief Executive Officer, HSS Florida drives the successful integration of the brand into new geographic territories. Tara McCoy coordinates with the central leadership team to align regional performance with the broader organizational mission. This role involves scaling clinical services to meet the rising demand for specialized musculoskeletal treatment in the region. Through the development of high-performing medical teams, the executive ensures that patient care standards remain identical to the flagship location. Ultimately, McCoy strengthens the market presence of the institution by delivering superior orthopedic outcomes to a broader patient population.

Lisa Valerioti - Executive Administrator & Office of The President & Chief Executive Officer
Lisa Valerioti, the Executive Administrator & Office of The President & Chief Executive Officer at HSS, manages the daily operational flow and administrative priorities for the executive office. Valerioti coordinates complex communication channels between the President and various department heads to ensure seamless organizational alignment. By streamlining administrative processes, the Executive Administrator & Office of The President & Chief Executive Officer facilitates efficient decision-making for the senior leadership team. Lisa Valerioti oversees the preparation of critical reports and strategic briefings that inform the direction of the hospital. This role requires meticulous attention to detail and the ability to manage competing priorities in a fast-paced medical environment. Through the effective management of the office, the executive supports the execution of long-term institutional goals. Ultimately, Valerioti provides the necessary administrative infrastructure to allow the leadership team to focus on clinical and strategic growth.

Noareen Ahmed - Chief of Staff To the President and Chief Executive Officer
Noareen Ahmed, the Chief of Staff To the President and Chief Executive Officer at HSS, directs the strategic initiatives and communication flow for the office of the President. Ahmed oversees the coordination of high-level projects that require cross-departmental collaboration and executive oversight. By managing the agenda and priorities of the President, the Chief of Staff To the President and Chief Executive Officer ensures that the leadership team remains focused on the most critical organizational goals. Noareen Ahmed facilitates the implementation of strategic plans by bridging the gap between executive vision and operational execution. This role involves managing relationships with key stakeholders and ensuring that the President is prepared for all major institutional decisions. Through the effective management of executive priorities, the leader supports the overall growth and stability of the hospital. Ultimately, Ahmed ensures the seamless operation of the highest level of leadership.
Mary Manwell - Chief Financial Officer
Mary Manwell, the Chief Financial Officer at HSS, directs the fiscal strategy and capital allocation for the entire medical center. Manwell oversees the financial planning, budgeting, and revenue cycle management to ensure the long-term sustainability of the institution. By analyzing market trends and operational costs, the Chief Financial Officer identifies opportunities for investment in new medical technologies and facility upgrades. Mary Manwell collaborates with other C-suite leaders to align financial resources with the strategic priorities of the hospital. This role involves rigorous oversight of financial reporting and compliance to maintain the fiscal health of the organization. Through the optimization of financial performance, the executive supports the expansion of clinical services and research programs. Ultimately, Manwell provides the economic foundation necessary for the hospital to maintain its position as the preeminent musculoskeletal center in the world.
Lianna Piccarillo - Director, Information Technology, Service Excellence & Chief of Staff to the Chief Digital Operations Officer
Lianna Piccarillo, the Director, Information Technology, Service Excellence & Chief of Staff to the Chief Digital Operations Officer at HSS, architects the digital transformation of clinical service delivery. Piccarillo oversees the implementation of advanced IT systems that support patient care and operational efficiency. By managing the intersection of technology and service excellence, the Director, Information Technology, Service Excellence & Chief of Staff to the Chief Digital Operations Officer ensures that digital tools enhance the overall patient experience. Lianna Piccarillo coordinates with the Chief Digital Operations Officer to execute the technological roadmap for the hospital. This role involves leading cross-functional teams to integrate new software solutions into existing clinical workflows. Through the continuous improvement of digital infrastructure, the executive drives innovation in how care is delivered. Ultimately, Piccarillo secures the technological edge required to maintain the hospital's leadership in the digital health space.
John Cox - Vice President & Chief Information Officer
John Cox, the Vice President & Chief Information Officer at HSS, directs the enterprise-wide information technology strategy and cybersecurity framework. Cox oversees the management of complex data systems that support clinical research and patient records. By ensuring the reliability and security of the hospital's digital infrastructure, the Vice President & Chief Information Officer protects sensitive medical information while enabling seamless access for healthcare providers. John Cox collaborates with the leadership team to leverage data analytics for improved clinical decision-making. This role involves managing large-scale technology projects that modernize the hospital's digital capabilities. Through the strategic deployment of IT resources, the executive supports the organization's mission of providing world-class care. Ultimately, Cox maintains the robust technological environment necessary for the hospital to function as a major academic medical center in a data-driven healthcare industry.
Mary Mcmahon - Chief of Staff & Office of The Chief Data & Analytics Officer
Mary Mcmahon, the Chief of Staff & Office of The Chief Data & Analytics Officer at HSS, directs the operational integration of data-driven insights into clinical and administrative workflows. Mcmahon oversees the coordination of projects within the data office to ensure that analytics support the hospital's strategic objectives. By managing the flow of information between the data team and other departments, the Chief of Staff & Office of The Chief Data & Analytics Officer ensures that actionable intelligence informs decision-making at all levels. Mary Mcmahon facilitates the execution of data-centric initiatives that improve patient outcomes and operational efficiency. This role involves aligning the efforts of data scientists and analysts with the broader mission of the institution. Through the effective management of the office, the executive drives the adoption of evidence-based practices. Ultimately, Mcmahon enables the hospital to leverage its vast data resources for continued clinical excellence.
Leila Judson - Head of Florida & ASC Strategy, Hss Florida Chief of Staff
Leila Judson, the Head of Florida & ASC Strategy, Hss Florida Chief of Staff at HSS, directs the strategic development of ambulatory surgery centers and regional growth initiatives in Florida. Judson oversees the operational planning for new surgical facilities to ensure they meet the high standards of the organization. By managing the strategy for ambulatory care, the Head of Florida & ASC Strategy, Hss Florida Chief of Staff drives the expansion of specialized orthopedic services in the region. Leila Judson coordinates with the Florida leadership team to ensure that all new centers align with the hospital's mission of excellence. This role involves analyzing market demand and optimizing the delivery of surgical care in outpatient settings. Through the effective management of regional strategy, the executive supports the growth of the hospital's footprint. Ultimately, Judson secures the success of the Florida expansion by focusing on high-quality, accessible surgical care.
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