The author of »Sourcing and Procurement with SAP S/4HANA «

Justin Ashlock

Photo of Justin Ashlock
Justin Ashlock has spent over half of his 20-year-plus career in technology at SAP America, serving as the lead consultant for hundreds of global SAP customer projects and engagements supporting over $100 billion in procurement and logistics activities worldwide. Justin is a vice president of procurement services delivery within SAP’s CX success and services organization. In this role, he provides general management for the North American procurement services practice, while also providing global delivery strategy and consistency to MEE and CIS regions. Justin holds a bachelor’s degree from the University of California, Berkeley, and a master’s degree in business administration from the University of Notre Dame. 

Print edition



Current titles

  • Cover of Sourcing and Procurement in SAP S/4HANA
    Sourcing and Procurement in SAP S/4HANA

    Justin Ashlock

    503 pages, hardcover

    Master sourcing and procurement in SAP S/4HANA! Dive into SAP S/4HANA sourcing and procurement functionality, like direct and indirect procurement and inventory and contract management. Get step-by-step instructions to configure sourcing, invoicing, supplier management and evaluation, and more. See how More about the book

    from $69.99


    E-book | Print edition | Bundle
    • Run SAP S/4HANA for your direct and indirect procurement requirements in the cloud or on-premise
    • Configure your purchasing, sourcing, invoicing, and evaluation processes
    • Explore analytics for spend visibility, contract expiration, accounts payable, and more
  • Cover of SAP Ariba
    SAP Ariba
    Business Processes, Functionality, and Implementation

    Justin Ashlock, Rachith Srinivas

    686 pages, hardcover

    Manage your procurement activities with this comprehensive guide to SAP Ariba. Get step-by-step instructions for supplier communication and collaboration, contract and invoice management, trend analysis, and more. From deployment to use, see how SAP Ariba fits into your procurement landscape More about the book

    from $79.99


    E-book | Print edition | Bundle
    • Deploy SAP Ariba for supplier relationship management
    • Run key procurement processes in SAP Ariba Sourcing, SAP Ariba Contracts, Ariba Network, and more
    • Integrate SAP Ariba with SAP ERP and SAP S/4HANA
  • Cover of Introducing Central Procurement with SAP S/4HANA
    Introducing Central Procurement with SAP S/4HANA

    Justin Ashlock, Peter Paschert, Armin Schuster

    89 pages

    SAP S/4HANA is the new hub for centralized procurement! Explore how SAP S/4HANA 1809 centrally manages requisitioning, purchasing, and contract management. Learn how you can tap into central analytics to gather actionable data about your procurement process. Central procurement is More about the book



    • Explore centralized procurement with SAP S/4HANA
    • Walk through central requisitions, contract management, and purchasing
    • Consider implementation options to connect your ERP systems