The authors of »ABAP«

Brian O’Neill

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Brian O’Neill is an ABAP developer with more than 10 years of experience working across different SAP ERP modules and custom applications. His experience includes working in various IT positions, from SAP support to ABAP development, while working in the IT department of SAP customer IGT (International Game Technology). Brian has also worked as an SAP Mobility consultant with IBM and most recently has been working as an independent consultant focusing on SAP mobility projects. Brian has a bachelor's degree in computer information systems from California State University, Chico, and a master's degree in information systems from the University of Nevada, Reno.

Jelena Perfiljeva

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Jelena Perfiljeva is a senior ABAP developer at IBM Global Finances. She started her SAP career in 2005 and has been involved in SAP rollouts, upgrades, and support for several US-based companies. Jelena is an SAP Mentor alumna and was chosen SAP Community (formerly known as SCN) Member of the Month in April 2013. She was the recipient of both the SAP Community Citizenship and Appreciation awards in 2017. In 2018, she received the SAP Community Hero award. In 2016, Jelena published the book What on Earth is an SAP IDoc? which explains the nature of IDoc interfaces in SAP ERP. Jelena is a speaker at SAP conferences, including SAP TechEd in Las Vegas in 2018 and Mastering SAP Technologies in Melbourne in 2014. She is originally from Riga, Latvia and received a master’s degree in Computer Science and Economics from the Latvian University.

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