Gartner Expert

Tom Sieber

Assoc Principal Analyst

Tom is an Associate Principal Analyst within Gartner's IT Sourcing, Procurement & Vendor Management research practice with a focus in infrastructure and communication services. Tom currently conducts research associated with IT cloud and infrastructure sourcing. Tom's responsibilities include providing high-quality research and intelligence to clients on sourcing strategies and best practices as they relate to contract structure, operational efficiency, and overall vendor management.

Previous experience

Before joining Gartner, Tom was working as a transaction analyst, providing data insights to transaction management teams and drafting a variety of detailed analyses and relevant documents, including but not limited to, requests for proposals, letters of intent, and project initiations. During this time, Tom was also attending graduate school, obtaining a MS in Business Analytics to further understand the role of evidence-based data decision making and its application within organizations.

Professional background

F.C. Tucker Company

Transaction Analyst

Insight Global

Account Manager (IT Services)


MS, Business Analytics, DePaul University

BS, Management, Purdue University

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Top Issues That I Help Clients Address

1Outsourced digital workplace services

2Service desk outsourcing

3Contract negotiations