The authors of »ABAP in the Cloud«

Gairik Acharya

Photo of Gairik Acharya
Gairik Acharya is a senior technical architect and associate partner at IBM with more than 20 years of IT experience. He is a recognized expert in ABAP, SAP HANA, OData, SAP Gateway, SAP S/4HANA, SAP Fiori, SAPUI5, SAP BTP, and SAP Mobile Platform. In his role as senior architect at the IBM SAP S/4HANA Center of Excellence group in North America, he has architected solutions for several global implementations for IBM's top-tier clients. 
He's a certified and recognized expert in SAP application consulting and is responsible for building new capabilities within the group. He's a frequent speaker at SAP TechEd, covering a variety of new technical areas. His sessions are always highly rated and considered to be among the most popular and appreciated. Gairik loves to spend his free time with his wife Lipi and his daughter Sneha. Gairik can be found on Twitter @AcharyaGairik and on LinkedIn at

Aleksandar Debelic

Photo of Aleksandar Debelic
Aleksandar Debelic is an SAP technical architect at IBM. He has more than 17 years of SAP experience, primarily as a technical solution architect and technology team lead. He is a managing consultant and member of the Global SAP Center of Competence and a global development team lead at SAP Innovation by IBM. His specialties include the design and development of solutions that leverage the latest technologies, such as blockchain, IoT, and machine learning. Aleks’ current focus is building assets in the areas of SAP BTP extensions and Dev/Ops for SAP.

Shubhangi (Deshmukh) Joshi

Photo of Shubhangi (Deshmukh) Joshi
Shubhangi (Deshmukh) Joshi is an SAP technical architect at IBM with more than 15 years of SAP experience in the areas of project delivery, asset building, and SAP S/4HANA migration projects. In addition to her ABAP experience, her main areas of expertise are SAP S/4HANA, machine learning with SAP, SAP Conversational AI, SAP CoPilot, SAP BTP, and SAP Analytics Cloud.
She has performed implementation projects for IBM clients from the chemical and petroleum, oil and gas, automotive, and pharmaceuticals industries. She has presented webinars and knowledge sharing sessions on various topics including ABAP platform as a service, machine learning use cases, SAP CoPilot, and SAP Analytics Cloud. Her machine learning applications have been presented and well-received at SAPPHIRE and SAP TechEd.

Aayush Dhawan

Photo of Aayush Dhawan
Aayush Dhawan is a managing consultant at IBM. He has more than 14 years of SAP experience in the areas of technical development, functional consulting, and asset building. As part of the SAP Innovation team at IBM, he has contributed towards many co-innovation projects on emerging technologies including cloud development, digital advisors, blockchain, machine learning, and data science. Additionally, he has delivered many challenging client projects across industries like consumer products, pharmaceuticals, and chemicals & petroleum.

He is a certified SAP consultant. His research papers have been published in national and international journals. His mobile applications ideas have been recognized in the SAP Fiori UX Design and Build Challenge for two consecutive years. He has presented numerous webinars and knowledge sharing sessions, including SAP TechEd speaker sessions.
Print edition E-book Bundle

Current titles

  • Cover of Developing WRICEF Objects for SAP S/4HANA Cloud

    Developing WRICEF Objects for SAP S/4HANA Cloud

    Gairik Acharya

    163 pages

    Learn how to create WRICEF objects for your SAP S/4HANA Cloud implementation! Whether you need workflows, reports, interfaces, conversions, enhancements, forms, or all of the above, this E-Bite has your customization options covered. Begin by exploring the extensibility options and More about the book



    • Develop custom workflows, reports, interfaces, and forms
    • Convert and migrate legacy data
    • Extend SAP S/4HANA Cloud with UI, field, and business object enhancements
  • Cover of SAP Fiori: Implementation and Development

    SAP Fiori: Implementation and Development

    Souvik Roy, Aleksandar Debelic, Gairik Acharya

    570 pages, hardcover

    Take your UI to the next level with this all-in-one resource to implementing and developing SAP Fiori apps! Start by configuring the SAP Fiori components and setting up the necessary security measures. Then it’s time to dive into applications: enabling More about the book

    from $84.99


    E-book | Print edition | Bundle
    • Implement SAP Fiori for SAP S/4HANA
    • Develop and extend applications with SAP Fiori elements and freestyle templates
    • Work with OData, SAP Business Application Studio, SAP Screen Personas, and more
  • Cover of Application Development with SAP Business Technology Platform

    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

    from $84.99


    E-book | Print edition | Bundle
    • Build and deploy cloud applications on SAP BTP using Java, Node.js, and ABAP
    • Work with SAP Business Application Studio, SAP Cloud Application Programming Model, cloud services, and more
    • Manage, monitor, and secure your applications