Gartner Expert

Michelle O'Sullivan

Director Analyst

Michelle O' Sullivan is an Ireland-based Director Analyst with Gartner's Procurement practice. In her current role, Ms. O' Sullivan works with Heads of Procurement and their team members to solve challenges like Procure to Pay from a process and change management perspective, Contract Lifecycle Management, Procurement Digital Transformation and Supplier onboarding.

Previous experience

Ms. O' Sullivan has come to Gartner from Ernst & Young (EY) where she spent the last 2+ years holding several senior analyst roles within their central Procurement Enablement Team, helping with various procurement system integrations and providing procurement analytics and insights to the entire internal Procurement team. Prior to that, Ms. O' Sullivan spent 16+ years in the Bio-pharmaceutical (including Pfizer) and Medical Device industry, in various different Procurement roles. Ms. O' Sullivan has a wealth of knowledge and experience in procurement from a Practitioner perspective with regards to developing and establishing category strategies, digital transformation in procurement, identification of cost saving opportunities, vendor managed inventory programs, demand management, vendor onboarding, contract execution and management, compliance in procurement, tail spend management, spend analytics, vendor rationalization and can advise regarding P2P and CLM platforms and processes.

Professional background


Ernst & Young

Teleflex Incorporated

Teleflex Incorporated

Pfizer Ireland Pharmaceuticals

Pfizer Inc.

Areas of coverage

Sourcing and Procurement

Procurement Management


Diploma in Purchasing and Materials Management from the Irish Institute of Purchasing and Materials Management (IIPMM)

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Top Issues That I Help Clients Address

1Digital Transformation in Procurement

2Procure to Pay from a process, change management perspective

3Contract Lifecycle Management from a process, change management perspective

4Vendor onboarding

5Spend Analytics