Ulrich's Four Roles and the Modern HR Operating Model
During a festive sale, Flipkart does not need HR to βsupport hiringβ in the vague sense. It needs thousands of people-ready decisions to work together - staffing, onboarding, shifts, training, safety, query resolution and manager support - without slowing the business.
That is the real power of Ulrichβs model: it shows why great HR is not one department doing everything, but a deliberately designed operating system for business performance and employee trust.
- Ulrichβs Four Roles classify HR work into Strategic Partner, Change Agent, Administrative Expert and Employee Champion.
- The model balances two tensions: strategic vs operational work and process vs people focus.
- The modern HR operating model converts these roles into structure: HR Business Partners, Centers of Expertise, Shared Services, People Managers and Digital HR.
- HRBPs stay close to business leaders; COEs design expert solutions; Shared Services deliver repeatable HR operations at scale.
- Good answers connect HR activity to business outcomes: productivity, capability, retention, employee experience, compliance and change adoption.
- The model is still relevant in 2026, but AI is shifting routine service work to digital platforms and moving HRBPs toward workforce strategy.
- The biggest mistake is listing the four roles without showing how they work together in a real operating model.
Big Picture: HR as an Operating System, Not an Admin Desk
Ulrichβs framework is best understood as a map of HR value creation. Some HR work is long-term and strategic; some is daily and operational. Some work builds processes; some protects the employee relationship. A strong HR function does all four - not equally every day, but deliberately.
Core Explanation: The Four Roles and the Modern HR Operating Model
The four roles answer one simple question: What must HR deliver for the organization to win? The modern HR operating model answers the next question: How should HR be organized to deliver it consistently?
The Four Roles in Plain English
Notice the discipline in the model. Strategic Partner does not mean βHR gives advice.β It means HR identifies the capabilities, talent and organization design needed for the strategy. Administrative Expert does not mean βlow-value clerical work.β It means error-free service delivery, which is often where employee trust is won or lost.
How the Modern HR Operating Model Delivers These Roles
The classic modern HR model is often called the three-legged stool: HR Business Partners, Centers of Expertise and Shared Services. In practice, two more elements matter today - people managers and digital HR platforms.
- HR Business Partners work with business leaders on workforce strategy, capability gaps, succession, organization design and change.
- Centers of Expertise are specialist teams for talent acquisition, rewards, learning, leadership, culture, diversity, employee relations or analytics.
- Shared Services handle repeatable, high-volume HR services such as payroll queries, documentation, onboarding workflows and policy support.
- People Managers are the real front line of HR because they shape feedback, performance, workload, trust and retention every day.
- Digital HR platforms provide self-service, workflows, case management, analytics and increasingly AI-enabled employee support.
The Operating Model Flow: From Strategy to HR Outcomes
A polished answer should not stop at the organization chart. Show the flow from business need to measurable outcome.
How to Measure Whether the HR Model Works
Do not say βHR impact is hard to measure.β It is measurable if you choose metrics that connect service quality, talent outcomes and employee trust.
In Indian e-commerce, a festival-sale ramp-up is a clean example of the operating model. HRBPs align staffing with fulfilment and delivery plans, COEs design hiring and training playbooks, shared services handle documentation and employee queries, and managers execute shifts safely on the ground. The strategic so what: speed comes not from hiring alone, but from separating expert design, scalable execution and local people leadership.
Definitions You Can Say in One Breath
Ulrichβs Four Roles: a framework mapping HR work across strategic versus operational focus and process versus people orientation.
Modern HR Operating Model: the structure through which HR delivers value using HRBPs, COEs, shared services, managers and digital platforms.
HR Business Partner: an HR leader embedded with business teams to translate strategy into workforce and organization choices.
Center of Expertise: a specialist HR team that designs deep solutions in areas such as rewards, talent, learning or culture.
Shared Services: a centralized HR delivery unit for repeatable, standardized, high-volume employee and manager services.
Flipkart: Ulrichβs Model During a Festival-Sale Workforce Ramp-Up
Flipkartβs festival-sale operations show why modern HR must combine workforce strategy, specialist design, scalable service delivery and employee experience.

Situation. Large Indian e-commerce events create a sharp operational spike. The business needs fulfilment centres, sortation hubs, customer support and last-mile partners to work with speed and reliability. HR cannot behave like a back-office department that starts hiring after the business asks for people.
The move. The HR task becomes an integrated operating model. HRBPs stay close to business and supply-chain leaders to understand volume, location and shift requirements. Talent acquisition and learning COEs create repeatable hiring, onboarding and training playbooks. Shared services support documentation, policy queries, employee records and payroll-linked processes. Managers become the daily carriers of employee experience through shift allocation, safety routines, feedback and issue escalation.
Outcome and lesson. The primary driver is not simply βmore hiring.β The primary driver is operating-model clarity - who decides, who designs, who delivers and who listens. Supporting drivers include standardized training, local manager ownership, fast query resolution and feedback from the floor. The lesson for interviews: Ulrichβs roles are not four boxes to memorize; they are four kinds of value that must appear together during business-critical moments.
How AI Changes Ulrichβs Four Roles and the Modern HR Operating Model
AI does not make Ulrichβs model obsolete. It changes where work sits in the model and raises the bar for judgment.
- Shared services move toward AI-enabled tier-zero support. Chatbots and HR copilots can answer policy questions, guide leave or benefits workflows, summarize case histories and route complex issues to humans. This strengthens the Administrative Expert role if accuracy, escalation and privacy controls are strong.
- HRBPs become more analytics-led strategic partners. Skills intelligence tools can map capability gaps, internal mobility options and succession risks. The HRBPβs value shifts from reporting headcount to advising on build-buy-borrow workforce choices.
- COEs use generative AI for faster design, but need stronger governance. Learning teams can draft role-based learning paths; talent teams can create structured interview guides; rewards teams can test communication drafts. But HR must watch bias, explainability and personal-data protection, especially under Indiaβs DPDP Act context.
Load this lesson, the company website careers page and a recent annual report into NotebookLM. Ask: βMap this companyβs likely HR challenges to Ulrichβs four roles and suggest one HRBP, one COE and one shared-services intervention.β Then convert the answer into a 90-second interview response.
Interview Relevance
βExplain Ulrichβs Four Roles. Is the model still relevant in the modern HR operating model? Apply it to an Indian company scenario.β
Use this sentence to sound mature: βUlrich is not just an HR structure; it is a value-creation logic. The operating model is how that logic gets delivered.β
Common Mistake
The mistake is treating Ulrichβs four roles as a memorized list and saying βHR should be strategicβ without explaining delivery. It costs candidates because interviewers want to see whether you understand how HR actually operates in a business. One-line fix: always connect each role to an operating-model owner - HRBP, COE, shared services, manager or digital platform.
What to Revise Next
Now that you understand how HR is organized to create value, revise the employee journey and the trust equation behind it.