Senior Manager, GBS Portfolio & PMO

The GBS Portfolio Senior Manager & PMO Lead, reporting to the Senior Director of Global Business Services (GBS), is a senior, enterprise-facing leadership role responsible for shaping and operationalizing portfolio strategy, governance, and execution standards for the Global Business Services (GBS) transformation portfolio at Dentsply Sirona.

This role acts as a recognized expert and trusted advisor to GBS and enterprise leadership, anticipating business challenges, informing portfolio strategy, and driving complex, cross-functional transformation initiatives with material enterprise impact.

The Portfolio Senior Manager operates with significant independence and senior-level judgment within a defined strategic framework, leads through influence rather than authority, and plays a critical role in advancing the maturity, credibility, and strategic impact of the GBS operating model globally.

Key Responsibilities

1. Portfolio Governance & Strategic Alignment

• Lead the end-to-end governance and execution of the GBS transformation portfolio, ensuring alignment with the GBS vision, enterprise priorities, and S/4HANA roadmap.


• Define, implement, and continuously evolve portfolio governance frameworks and execution standards, including intake, prioritization, business case review, and steering routines, in alignment with GBS leadership direction.


• Maintain enterprise-level visibility into portfolio health, including timelines, interdependencies, risks, and financial and operational impacts.


• Anticipate portfolio-level challenges and dependencies, translating them into data-driven insights and recommendations for GBS leadership.


• Develop and enhance PMO standards, methodologies, tools, and templates to strengthen delivery discipline and consistency across GBS.

2. Program & Project Oversight

• Oversee complex, cross-functional programs and initiatives spanning Finance, Procurement, Customer Service, HR, Operations, and IT.


• Provide senior-level guidance, problem-solving, and escalation support to program and project managers, particularly for complex or high-risk initiatives.


• Partner with Global Process Owners (GPOs) on stabilization, transition readiness, operating model refinement, and continuous improvement initiatives.


• Ensure project charters, KPIs, benefits, and success criteria are clearly defined, measurable, and consistently applied.


• Provide hands-on project management support as needed during critical phases or escalations.

3. Executive Reporting & Stakeholder Engagement

• Serve as a key advisor to the Senior Director, GBS and the GBS Leadership Team, providing portfolio-level insight, analysis, and recommendations.


• Prepare executive dashboards, leadership presentations, and portfolio updates with a focus on clarity, outcomes, and decision-relevant information.


• Drive alignment and transparency across global and regional stakeholders, navigating competing priorities in a matrixed environment.


• Influence outcomes through expertise, credibility, and structured communication rather than formal authority.

4. Resource & Capacity Management

• Maintain visibility into portfolio-level resource demand, capacity constraints, and prioritization needs across regions and functional towers.


• Partner with functional leaders to support informed resourcing and sequencing decisions.


• Provide recommendations to GBS leadership on staffing approaches, sequencing adjustments, or sourcing model considerations to manage risk and accelerate delivery.

5. Value Realization & Benefits Tracking

•  Lead the development and execution of the GBS benefits realization framework, ensuring consistent tracking of financial and operational outcomes.


• Validate and monitor savings, productivity improvements, service enhancements, and risk reduction in partnership with Finance.


• Partner with Finance to ensure benefits are integrated into budgets and forecast cycles.

6. Risk, Issue & Dependency Management

• Identify portfolio-level risks, root causes, and cross-functional impacts.


• Develop mitigation strategies and surface critical risks to leadership in a timely manner.


• Set expectations for escalation discipline and governance rigor across the portfolio.

7. PMO Maturity & Capability Development

• Lead efforts to mature the GBS PMO function, advancing consistency, capability, and effectiveness across regions and towers.


• Coach and mentor program managers, project managers, and workstream leads to strengthen delivery capability and judgment.


• Embed continuous improvement practices (Lean, root cause analysis, Kaizen) into portfolio and project execution.


• Promote a culture of accountability, transparency, and operational excellence across the GBS organization.

Additional responsibilities as assigned.

Education:

Bachelor’s degree required; Master’s preferred (Business, Operations, Finance, Engineering, or related field).

Years and Type of Experience:

• 10+ years of experience in portfolio management, PMO leadership, shared services, or business transformation roles.


• Experience supporting GBS or enterprise transformation, ideally within a global, matrixed environment.


• Strong understanding of project and change-management methodologies (PMP, PRINCE2, Agile, Lean Six Sigma).


• Experience working alongside or supporting SAP S/4HANA, ERP transformations, or process redesign initiatives preferred.


• Proven ability to influence senior leadership and drive alignment across diverse stakeholder groups.


• Strong analytical skills with experience in portfolio tools (Power BI, Smartsheet, MS Project, JIRA).

Key Skills, Knowledge & Capabilities:

• Strategic and critical thinking


• Executive presence and communication


• Cross-functional influence and relationship building


• Structured problem-solving and decision making


• High attention to detail with ability to simplify complex information


• Comfort with ambiguity and competing priorities


• Ability to balance long-term vision with day-to-day execution


• Strong leadership, coaching, and collaboration skills