The authors of »SAP S/4HANA«

Devraj Bardhan

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Devraj Bardhan is an accomplished global leader for SAP Innovations at IBM. He has led several large transformation projects, driving business growth agenda through innovation and digital efficiencies. He is an established subject matter expert (SME) for SAP S/4HANA, SAP Ariba and SAP Business Technology Platform, growing IBM's digital transformation capability by designing and implementing global templates and intelligent workflows. He is part of the global SAP Center of Competence at IBM and works very closely with SAP incubating the next big idea. Devraj can be reached via Twitter @devbard or via

Axel Baumgartl

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Axel Baumgartl is leading the transformation office for the Global Partner Organization of SAP. In his role, he focuses on accelerating the transformation of operations, processes, and applications to support the activation and enablement of the SAP ecosystem based on his 20 years of experience with SAP transformation projects. He is the author of several publications and books about SAP products and he developed a method for enterprise architecture blueprinting.

Nga-Sze Choi

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Nga-Sze Choi is the SAP S/4HANA sales and logistics expert working for SAP Business Transformation Services. She has more than 16 years of experience in global business transformation programs, leading the design and implementation of SAP solutions in the order-to-cash and procure-to-pay areas. Her main area of expertise is in the life sciences, consumer products, and industrial industries.

Mark Dudgeon

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Mark Dudgeon is the Global SAP CTO of IBM Global Business Services, SAP Service Line. He has more than 23 years of experience in architecture design and delivery for some of IBM’s largest SAP deployments. Mark’s role also includes ensuring that IBM has the right partnerships, capabilities, and offerings to support its customers in their digital transformation journey with SAP. You can reach Mark via Twitter @MarkPDudgeon.

Piotr Górecki

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Piotr Górecki is a program manager and enterprise architect working at IBM Global SAP Center of Competence. He has more than 20 years of experience in planning and delivering complex business transformation programs based on SAP solutions. Piotr has been working on global and local SAP projects in several industries, including consumer products, life sciences, retail, and telecommunications. In his current role, he helps customers define their road maps to SAP S/4HANA and identify new solutions and technologies that enable reaching their business goals. Piotr can be reached via

Asidhara Lahiri

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Asidhara Lahiri is an SAP Enterprise Architect in IBM India, working on complex SAP implementations for global clients in industries such as consumer products, oil & gas, airlines, and utility. She has more than 24 years of work experience, out of which 20 are in SAP. She advises client executives on digital road maps for their SAP landscape, and is a global subject matter expert (SME) in SAP HANA in IBM. She has also led the SAP HANA competency for IBM India, designing and reviewing client architecture, defining IBM services, and growing IBM's SAP HANA capability. Asidhara has filed two patents and is a member of the IBM Academy of Technology. She is also a coauthor for the book SAP Cloud Platform: Cloud-Native Development (SAP PRESS). Asidhara can be reached via Twitter @AsidharaL and

Bert Meijerink

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Bert Meijerink is the SAP S/4HANA Finance lead in the IBM SAP Global Center of Competence. He has more than 35 years of working experience in implementing financial systems worldwide and over 25 years of experience in designing and implementing SAP global templates.

Andrew Worsley-Tonks

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Andrew Worsley-Tonks is an IBM distinguished engineer and the global SAP S/4HANA leader for IBM Services. Andrew has led multiple complex SAP business transformation, modernization, and upgrade projects. In his current role, he leads the delivery of SAP S/4HANA projects while helping existing SAP ERP customers define their SAP S/4HANA adoption strategy and business case. You can reach Andrew via Twitter @A_WorsleyTonks.
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    SAP Data Intelligence
    The Comprehensive Guide

    Dharma Teja Atluri, Devraj Bardhan, Santanu Ghosh, Snehasish Ghosh, Arindom Saha

    783 pages, hardcover

    Manage your data landscape with SAP Data Intelligence! Begin by understanding its architecture and capabilities and then see how to set up and install SAP Data Intelligence with step-by-step instructions. Walk through SAP Data Intelligence applications and learn how to More about the book

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    E-book | Print edition | Bundle
    • Install and configure SAP Data Intelligence in the cloud or on-premise
    • Govern, process, and orchestrate data workflows with tools like the metadata explorer and the SAP Data Intelligence modeler
    • Use machine learning, SAP Analytics Cloud, and SAP Data Warehouse Cloud to enrich business data
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    Application Development with SAP Business Technology Platform

    Gairik Acharya, Govind Bajaj, Avijit Dhar, Anup Ghosh, Asidhara Lahiri

    574 pages, hardcover

    Develop cloud applications customized for your business needs! Master the basics of SAP Business Technology Platform (SAP BTP) and its development environments; then get step-by-step instructions for developing and operating your own applications. Build your backend with Java, Node.js, or More about the book

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    • Build and deploy cloud applications on SAP BTP using Java, Node.js, and ABAP
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    • Manage, monitor, and secure your applications