--- title: Learn SAP from the Experts | The SAP PRESS Blog | Jelena Perfiljeva description: Jelena Perfiljeva is an expert ABAP developer at Mindset Consulting, LLC. She started her SAP career in 2005 and has been involved in SAP rollouts, upgrades, and support for several US-based companies. --- [![rheinwerk-sappress-logo-header-1](https://blog.sap-press.com/hubfs/rheinwerk-sappress-logo-header-1.svg)](https://blog.sap-press.com/) [Blog](https://blog.sap-press.com) - Books - Get an overview of our books and courses on every relevant SAP topic. - [Programming](https://sap-press.com/programming/) - [Administration](https://sap-press.com/administration/) - [BI](https://sap-press.com/business-intelligence/) - [Finance](https://sap-press.com/finance-controlling/) - [Logistics](https://sap-press.com/logistics/) - [HR](https://sap-press.com/human-resources/) - [CRM & Sales](https://sap-press.com/marketing-sales/) - [HANA](https://sap-press.com/hana/) - [Introductions](https://sap-press.com/introductions/) - [E-Bites](https://sap-press.com/e-bites/) - [Certification Guides](https://www.sap-press.com/certification-guides/) - [Rheinwerk Courses](https://www.sap-press.com/online-courses/) - Book Subscription - Get unlimited access to all SAP PRESS books! - [SAP PRESS Subscription](https://sap-press.com/subscriptions/) ![](https://blog.sap-press.com/hs-fs/hubfs/Introducing%20Ask%20Your%20Library_%20AI%20Chat%20for%20Your%20SAP%20PRESS%20Subscription.jpg?width=1000&name=Introducing%20Ask%20Your%20Library_%20AI%20Chat%20for%20Your%20SAP%20PRESS%20Subscription.jpg) [Programming](https://blog.sap-press.com/tag/programming) | Featured article ## [Introducing Ask Your Library: AI Chat for Your SAP PRESS Subscription](https://blog.sap-press.com/introducing-ask-your-library-ai-chat) An SAP PRESS Subscription gives you a shelf of reference books on SAP, and when a problem comes up mid-project, the answer is usually in one of them. The slow part has always been figuring out which... ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/introducing-ask-your-library-ai-chat) ![Jelena Perfiljeva](https://blog.sap-press.com/hubfs/social-suggested-images/f.hubspotusercontent00.nethubfs57072001880_perfiljeva.png) **Jelena Perfiljeva** Jelena Perfiljeva is an expert ABAP developer at Mindset Consulting, LLC. She started her SAP career in 2005 and has been involved in SAP rollouts, upgrades, and support for several US-based companies. # Blogs by Jelena Perfiljeva [![Who Are ABAPers And What Do They Do?](https://blog.sap-press.com/hs-fs/hubfs/Who%20Are%20ABAPers%20And%20What%20Do%20They%20Do.png?height=600&name=Who%20Are%20ABAPers%20And%20What%20Do%20They%20Do.png)](https://blog.sap-press.com/who-are-abapers-and-what-do-they-do) [Programming](https://blog.sap-press.com/tag/programming) ## [Who Are ABAPers And What Do They Do?](https://blog.sap-press.com/who-are-abapers-and-what-do-they-do) Many people enter the SAP world with clear purpose, but my SAP journey began purely by incident. ![Jelena Perfiljeva](https://blog.sap-press.com/hubfs/social-suggested-images/f.hubspotusercontent00.nethubfs57072001880_perfiljeva.png) by [Jelena Perfiljeva](https://blog.sap-press.com/author/jelena-perfiljeva) [Read More](https://blog.sap-press.com/who-are-abapers-and-what-do-they-do) ### SAP Blog Topics - [All SAP Topics](https://blog.sap-press.com) - [Logistics](https://blog.sap-press.com/tag/logistics) - [Programming](https://blog.sap-press.com/tag/programming) - [FICO](https://blog.sap-press.com/tag/fico) - [Administration](https://blog.sap-press.com/tag/administration) - [Featured](https://blog.sap-press.com/tag/featured) - [Business Intelligence](https://blog.sap-press.com/tag/business-intelligence) - [What Is?](https://blog.sap-press.com/tag/what-is) - [CRM & Sales](https://blog.sap-press.com/tag/crm-sales) - [Human Resources](https://blog.sap-press.com/tag/human-resources) - [Video](https://blog.sap-press.com/tag/video) **Subscribe to our blog!**Get notified about future blog updates. - - - - - ### Most Popular Blog Posts 1. 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