01/01/2025 updated

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Digital Transformation Advisor | SAP S/4HANA | Enterprise Architecture | Data Migration

Kopenhagen, Denmark
Worldwide
Kopenhagen, Denmark
Worldwide

Profile attachments

Wecker Consulting v2.pdf

SAP CloudJavaScriptArchitectureBusiness TransformationInformation Technology ConsultingData MigrationData ProfilingData QualityDesign ThinkingDigitizationGitHubInformation Technology Infrastructure Libraries (ITIL)Enterprise ArchitectureManufacturingNode.jsPRojects IN Controlled Environments Version 2 (PRINCE2)Scrum MethodologySAP ABAPSAP ApplicationsSAP FISAP HANASAP LogisticsSAP MMConsumer Packaged GoodsGoogle CloudGitSAP FioriSAP UI5
23 years of business and technology consulting for retail, FMCG, manufacturing companies and IT service providers in renowned companies such as IBM, Coca-Cola, and MediaMarktSaturn.

As your plug-and-play digital transformation consultant, I'm dedicated helping you achieve your S/4HANA enabled business transformation. I specialize in tackling complex digital transformation challenges, enterprise architecture and data migration.

Core Competencies
  • Multiple years of experience as business consultant in international projects
  • Comprehensive functional SAP knowledge (FI, CO, MM, SD, LE, PP, QM, WM, TM, CAR)
  • Development/review of SAP transformation strategies, architectures, application landscapes and roadmaps
  • Project Management
  • SAP S/4HANA data migration
  • Strong engineering background (hands-on)
  • Ensuring things stay on track or getting them back on track if derailed
  • Strong implementation skills, pragmatic and reliable approaches
Methodologies
  • Prince2 (Certified)
  • SAP Activate
  • Scrum Product Owner (Certified)
  • ITIL v3 (Certified)
  • PROMET Business Process Re-engineering
  • Design Thinking
SAP Expertise
  • ​SAP S/4HANA and SAP Cloud Architecture
  • SAP Virtual Data Model
  • Core Data Services (CDS)
  • SAP Migration Cockpit
  • Legacy Migration Workbench (LSWM)
  • SAP Business Technology Platform (BTP)
  • SAP Fiori Frontend Server
  • SAP Fiori
  • SAPUI5
  • ABAP
  • RAP
  • CAP
  • SAP Gateway
  • OData
  • Business Application Studio
  • SAP Financial Accounting
  • SAP Materials Management
  • SAP Logistics
Technology
  • JavaScript
  • Typescript
  • NodeJS
  • Talend Open Studio
  • Google Cloud Platform
  • Firebase
  • GraphQL
  • Dart/Flutter

Experience

Professional experience10+ years
Freelancer since2007

Languages

GermanNative speakerEnglishFluent

Project history

Greenfield implementation S/4HANA Retail for 1000+ retail stores

Electronics retailer

Goods & Retail

>10.000 team member

  • Spearheaded the creation and execution of the target architecture for MediaMarktSaturn's Omni-Channel Spine Project, replacing legacy GMS with SAP S/4HANA Retail in 1000+ stores.
  • Established and maintained strategic partnerships with business stakeholders in a complex business environment, translating their needs into effective architectural solutions.
  • Aligned IT strategies with overarching business goals, ensuring a synchronized transformation approach.
  • Developed strategies to harness advanced capabilities of SAP S/4HANA for improved business outcomes.
  • Management of changes and deviations from the SAP standard (WRICEF and code reviews).
  • Data assessment to identify gaps between the current state and future requirements through interviews and analyses.
  • Spearheaded the Implementation of a Global Product ID, replacing country-specific article numbers.
  • Advice and support, developing the SAP business partner concept based on best practices. 
  • Design and implementation of an API-first approach for integration with external systems and partners (suppliers, logistics service providers, etc.).
  • Conducting a proof-of-concept with Google for an SAP S/4HANA lift-and-shift from the data center to the Google Cloud, aiming to achieve higher scalability.
  • Provided guidance to engineering teams for the development, configuration, and implementation of solutions in adherence to product development standards, ensuring alignment with business requirements.
TRANSLATE with x English
Arabic Hebrew Polish
Bulgarian Hindi Portuguese
Catalan Hmong Daw Romanian
Chinese Simplified Hungarian Russian
Chinese Traditional Indonesian Slovak
Czech Italian Slovenian
Danish Japanese Spanish
Dutch Klingon Swedish
English Korean Thai
Estonian Latvian Turkish
Finnish Lithuanian Ukrainian
French Malay Urdu
German Maltese Vietnamese
Greek Norwegian Welsh
Haitian Creole Persian  
var LanguageMenu; var LanguageMenu_keys=["ar","bg","ca","zh-CHS","zh-CHT","cs","da","nl","en","et","fi","fr","de","el","ht","he","hi","mww","hu","id","it","ja","tlh","ko","lv","lt","ms","mt","no","fa","pl","pt","ro","ru","sk","sl","es","sv","th","tr","uk","ur","vi","cy"]; var LanguageMenu_values=["Arabic","Bulgarian","Catalan","Chinese Simplified","Chinese Traditional","Czech","Danish","Dutch","English","Estonian","Finnish","French","German","Greek","Haitian Creole","Hebrew","Hindi","Hmong Daw","Hungarian","Indonesian","Italian","Japanese","Klingon","Korean","Latvian","Lithuanian","Malay","Maltese","Norwegian","Persian","Polish","Portuguese","Romanian","Russian","Slovak","Slovenian","Spanish","Swedish","Thai","Turkish","Ukrainian","Urdu","Vietnamese","Welsh"]; var LanguageMenu_callback=function(){ }; var LanguageMenu_popupid='__LanguageMenu_popup';   TRANSLATE with COPY THE URL BELOW Back EMBED THE SNIPPET BELOW IN YOUR SITE Enable collaborative features and customize widget: Bing Webmaster Portal Back var intervalId = setInterval(function () { if (MtPopUpList) { LanguageMenu = new MtPopUpList(); var langMenu = document.getElementById(LanguageMenu_popupid); var origLangDiv = document.createElement("div"); origLangDiv.id = "OriginalLanguageDiv"; origLangDiv.innerHTML = "ORIGINAL: "; langMenu.appendChild(origLangDiv); LanguageMenu.Init('LanguageMenu', LanguageMenu_keys, LanguageMenu_values, LanguageMenu_callback, LanguageMenu_popupid); window["LanguageMenu"] = LanguageMenu; clearInterval(intervalId); } }, 1);

Project Manager, SAP S/4HANA Transformation

Wholesaler

Goods & Retail

250-500 team member

  • Planning and management of the Supply Chain Excellence Project initialization. A brownfield migration from SAP ERP to SAP S/4HANA.
  • Managed the tender/RfP process
  • Vendor workshops and evaluation of offers, including comparison with benchmarks
  • Business case creation
  • Preparation of decision templates for management
  • Management of the blueprint creation
TRANSLATE with x English
Arabic Hebrew Polish
Bulgarian Hindi Portuguese
Catalan Hmong Daw Romanian
Chinese Simplified Hungarian Russian
Chinese Traditional Indonesian Slovak
Czech Italian Slovenian
Danish Japanese Spanish
Dutch Klingon Swedish
English Korean Thai
Estonian Latvian Turkish
Finnish Lithuanian Ukrainian
French Malay Urdu
German Maltese Vietnamese
Greek Norwegian Welsh
Haitian Creole Persian  
var LanguageMenu; var LanguageMenu_keys=["ar","bg","ca","zh-CHS","zh-CHT","cs","da","nl","en","et","fi","fr","de","el","ht","he","hi","mww","hu","id","it","ja","tlh","ko","lv","lt","ms","mt","no","fa","pl","pt","ro","ru","sk","sl","es","sv","th","tr","uk","ur","vi","cy"]; var LanguageMenu_values=["Arabic","Bulgarian","Catalan","Chinese Simplified","Chinese Traditional","Czech","Danish","Dutch","English","Estonian","Finnish","French","German","Greek","Haitian Creole","Hebrew","Hindi","Hmong Daw","Hungarian","Indonesian","Italian","Japanese","Klingon","Korean","Latvian","Lithuanian","Malay","Maltese","Norwegian","Persian","Polish","Portuguese","Romanian","Russian","Slovak","Slovenian","Spanish","Swedish","Thai","Turkish","Ukrainian","Urdu","Vietnamese","Welsh"]; var LanguageMenu_callback=function(){ }; var LanguageMenu_popupid='__LanguageMenu_popup';   TRANSLATE with COPY THE URL BELOW Back EMBED THE SNIPPET BELOW IN YOUR SITE Enable collaborative features and customize widget: Bing Webmaster Portal Back var intervalId = setInterval(function () { if (MtPopUpList) { LanguageMenu = new MtPopUpList(); var langMenu = document.getElementById(LanguageMenu_popupid); var origLangDiv = document.createElement("div"); origLangDiv.id = "OriginalLanguageDiv"; origLangDiv.innerHTML = "ORIGINAL: "; langMenu.appendChild(origLangDiv); LanguageMenu.Init('LanguageMenu', LanguageMenu_keys, LanguageMenu_values, LanguageMenu_callback, LanguageMenu_popupid); window["LanguageMenu"] = LanguageMenu; clearInterval(intervalId); } }, 1);

Deployment Lead, Master Data & Data Migration

Beverage manufacturer

Goods & Retail

>10.000 team member

  • Build and lead the Master Data and Data Migration Unit through a major SAP Transformation Project spanning across 28 countries
  • 7 full project life cycles over a period of 7 years in 28 countries: Austria, Cyprus, Greece, Italy, Northern Ireland, Republic of Ireland, Switzerland, Croatia, Czech Republic, Estonia, Hungary, Latvia, Lithuania, Poland, Slovakia, Slovenia, Armenia, Belarus, Bosnia and Herzegovina, Bulgaria, Moldova, Montenegro, Nigeria, North Macedonia, Romania, Russia, Serbia (including the Republic of Kosovo), and Ukraine.
  • Design of Global Data Standards
  • Establishment of Master Data Management and Data Governance
  • Development of the Data Migration Roadmap in coordination with the overall project
  • Definition and coordination of data cleansing, mapping, and data enrichment requirements
  • Development of a data quality assurance application. The aim of the application was to reduce the critical time factor during migration by eliminating data inconsistencies and errors in advance.
  • Creation of migration templates and development of upload and conversion programs (LSMW, ABAP, Talend ETL)
  • Training and coaching of local master data teams
  • Analysis of legacy systems (mostly AS400-based) for data extraction
  • Test data migration during unit and integration testing
  • Cut-over planning and execution of productive migration
  • Migration of master, transactional, and planning data to SAP ERP, SAP CRM, SAP APO, SAP MDM
  • Design and development of KPI-driven monitoring of data quality
TRANSLATE with x English
Arabic Hebrew Polish
Bulgarian Hindi Portuguese
Catalan Hmong Daw Romanian
Chinese Simplified Hungarian Russian
Chinese Traditional Indonesian Slovak
Czech Italian Slovenian
Danish Japanese Spanish
Dutch Klingon Swedish
English Korean Thai
Estonian Latvian Turkish
Finnish Lithuanian Ukrainian
French Malay Urdu
German Maltese Vietnamese
Greek Norwegian Welsh
Haitian Creole Persian  
var LanguageMenu; var LanguageMenu_keys=["ar","bg","ca","zh-CHS","zh-CHT","cs","da","nl","en","et","fi","fr","de","el","ht","he","hi","mww","hu","id","it","ja","tlh","ko","lv","lt","ms","mt","no","fa","pl","pt","ro","ru","sk","sl","es","sv","th","tr","uk","ur","vi","cy"]; var LanguageMenu_values=["Arabic","Bulgarian","Catalan","Chinese Simplified","Chinese Traditional","Czech","Danish","Dutch","English","Estonian","Finnish","French","German","Greek","Haitian Creole","Hebrew","Hindi","Hmong Daw","Hungarian","Indonesian","Italian","Japanese","Klingon","Korean","Latvian","Lithuanian","Malay","Maltese","Norwegian","Persian","Polish","Portuguese","Romanian","Russian","Slovak","Slovenian","Spanish","Swedish","Thai","Turkish","Ukrainian","Urdu","Vietnamese","Welsh"]; var LanguageMenu_callback=function(){ }; var LanguageMenu_popupid='__LanguageMenu_popup';   TRANSLATE with COPY THE URL BELOW Back EMBED THE SNIPPET BELOW IN YOUR SITE Enable collaborative features and customize widget: Bing Webmaster Portal Back var intervalId = setInterval(function () { if (MtPopUpList) { LanguageMenu = new MtPopUpList(); var langMenu = document.getElementById(LanguageMenu_popupid); var origLangDiv = document.createElement("div"); origLangDiv.id = "OriginalLanguageDiv"; origLangDiv.innerHTML = "ORIGINAL: "; langMenu.appendChild(origLangDiv); LanguageMenu.Init('LanguageMenu', LanguageMenu_keys, LanguageMenu_values, LanguageMenu_callback, LanguageMenu_popupid); window["LanguageMenu"] = LanguageMenu; clearInterval(intervalId); } }, 1);

SAP Template Roll-Out in 8 countries

Beverage manufacturer

Goods & Retail

>10.000 team member

  • Analysis of legacy systems for data extraction and identification of data objects to be transferred.
  • Data cleansing and requirements for data enrichment.
  • Training of key users regarding master data maintenance.
  • Definition of data quality rules
  • Development of extraction (SQL/ODBC) and loading programs (LSMW/Batch-Input).
  • Creating the cut-over plan for data migration.
  • Execution of migration at cut-off date.

Global SAP Template implementation (Greenfield)

Beveverage manufacturer

Goods & Retail

5000-10.000 team member

  • Design and implementation SAP Asset Accounting.
  • Analysis, evaluation and optimization of processes
  • Migration of financial balances at go-live.
  • Ensuring business continuity during post Go-Live.

Asset takeover as part of an IT outsourcing

Food manufacturer

Goods & Retail

>10.000 team member

  • Design and coordination of asset takeover as part of an IT outsourcing.
  • Creation of the technical migration concept.
  • Customizing FI-AA
  • Development of export programs (ABAP) and execution of data transfer using LSMW (asset master, balance, and historical data).
  • Reconciliation and alignment of asset valuation with auditors.

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