Konstantinos Diakoumis

by Julian Stach | 25. April 2024

Konstantinos Diakoumis

Senior SAP Consultant / Project Manager

25+ years experience in SAP FICO consulting on back to back SAP multinational projects.
Core competencies are FI-GL, FI-AP/AR/AM, S/4Hana, FI-SPL, TR-CM, FSCM, FI-LC, FI-CA, CO-CCA, CO-PCA and CO-PA.
25+ years experience in business process management, SAP ERP, S/4Hana, IT and groupwide ERP transformation programs
Strong E2E business process area understanding and deep knowledge of financial business and controlling processes.
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Last 3 projects

2023 – 2024	IT	SAP FICO consultant
2023	Food	FICO stream lead
2022 – 2023	E-Commerce	FI-AP & S/4Hana expert

Tools

Competencies

SAP FI/CO
Business Process Management (SAP ERP, S/4Hana)
SAP F/CO Configuration
Tax Compliance

Languages

Greek
English

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Stefano Kokkalis

by Julian Stach | 24. April 2024

Stefanos Kokkalis

Senior SAP FI/CO Consultant

SAP Consultant since 2008 in the Financials area with practical experience in the process analysis and design, configuration, program design and development, training and user support
SAP FI/CO Modul experience: CO, FI-GL, FI-AP, FI-AR, FI-BL, FI-AA.
Strong and wide knowledge of all FI/CO processes, including the integration with the related SAP modules (MM, SD, HR, PP, CS, PS)
More than 20 full life cycle implementations of SAP Financials Modules covering critical management processes such as R2R, P2P, O2C, MTS & MTO.
SAP S/4HANA implementation experience.
Implementation experience with RE-FX.
ABAP experience (reading – debugging code) & LSMW good knowledge.
Experience in testing and supporting SAP enhancements and support packages implementation.

Last 3 projects

2021 – now	Luxury Goods	Senior SAP CO Consultant
2019 – 2021	IT	Senior SAP S/4 Hana Consultant
2019	Luxury Goods	Senior SAP FI Consultant

Tools

Competencies

SAP S/4 FI/CO
Business Process Management (R2R, P2P, O2C, MTS & MTO)
SAP Customizing
Integration Management & Interface Implementation

Languages

Greek
English

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Sergei Isaev

by Julian Stach | 24. April 2024

Sergei Isaev

Senior SAP FI/CO Consultant

15+ years experience in SAP consulting, specializing in FI and CO modules as R2R senior consultant.
Core competencies are FI-GL, FI-AP/AR, FI-AA and FI-SL, CO-CCA, PCA and COPA, integration with other SAP modules / systems, taxes, and localization.
Sufficient experience in implementation & customizing of SAP ECC and S/4 including knowledge of R2R business processes working closely with stakeholders and developers.
Successfully configured, tested, and implemented SAP solutions for FI/CO modules, direct and indirect taxes, statutory reporting and country-specific requirement.
Involved and supported in various full cycle projects such as SAP integration, roll-out, and improvement projects across different regions and functions.

Last 3 projects

2021 – 2024	Tobacco	SAP FI/CO Expert, OneERP Integration
2018 – 2020	Tobacco	SAP FI/CO Expert, Transformation ECC > S/4Hana
2016 – 2018	Tobacco	FI/CO Stream Lead, Rollout Projects

Tools

Competencies

SAP FI/CO
Business Process Management (SAP ERP, S/4Hana)
SAP F/CO Configuration
Tax Compliance

Languages

Russian
German
English
Spanish

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Alexandra Lügger

by Jenny Grescho | 12. February 2024

Letzte 3 Projekte

2022 – 2024	Nutzfahrzeugindustrie	Technische Projektleitung, Change – Management, Cut Over Management
2021 – 2022	Telekommunikation	Servant Leader
2020 – 2021	Telekommunikation	SCRUM Master

Tools

Kompetenzen

Projektmanagement (agil)
Change Management
Cut Over Management
Testmanagement

Sprachen

Deutsch
Englisch
Französisch

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Laszlo Adam

by Info | 31. May 2022

Laszlo Adam

Senior Expert

Procurement digitization & transformation expert with more than 20 years’ experience, including global procurement organizations mergers & aquisitions.
Playing different key leading roles, he owns an in-depth practical experience in procurement digitization solution implementations and process improvements based on SAP Ariba, SAP S/4HANA and MS Dynamics.
He owns a special knowledge area: how to harmonize and improve the procurement effectiveness via its system-operations-resource triangle.

Last 3 projects

2023 – 2024	Automation	P2P Global Excellence Consultant
2023 – 2023	Banking	SAP Ariba Sourcing Redesign
2022 – 2022	Pharma	Global Supplier Enablement Lead

Tools

Competencies

Program/Project Management (agile, waterfall, SAP Activate)
Purchase-to-Pay/e-Procurement
Supply Chain Management
Change Management

Language skills

English
Hungarian
German
Romanian

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Konstantinos Diakoumis

Konstantinos Diakoumis

Last 3 projects

Tools

Competencies

Languages

Stefano Kokkalis

Stefanos Kokkalis

Last 3 projects

Tools

Competencies

Languages

Sergei Isaev

Sergei Isaev

Last 3 projects

Tools

Competencies

Languages

Alexandra Lügger

Alexandra Lügger

Letzte 3 Projekte

Tools

Kompetenzen

Sprachen

Laszlo Adam

Laszlo Adam

Last 3 projects

Tools

Competencies

Language skills

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