ERP and finance systems
10 SAP S/4HANA experts
These ten professionals have led or owned SAP S/4HANA programs inside the companies they worked for, from implementation and template design to process ownership. A reader can learn how in-house teams plan S/4HANA migrations, set global templates and governance, and support the business after go-live.
Professionals to explore
01—10Florian Jettmar
LinkedInExperience: IT Director Global ERP Transformation (SAP S 4HANA) · Brenntag
IT Director Global ERP Transformation (SAP S 4HANA) at Brenntag since 2024, a role the profile describes as global end-to-end IT leadership of a strategic SAP S/4HANA transformation. Before that he was Head of IT Finance & Logistic Solutions (SAP S 4HANA) at Telefónica Germany (2022–2024) and Senior Manager IT Programme & Transformation SD-X (ServiceNow, SAP) at Deutsche Telekom (2021–2022).
Hermelinda Cabrera Dunzz
LinkedInExperience: SAP S 4Hana Product Owner Order to Cash · The Hershey Company
SAP S 4Hana Product Owner Order to Cash at The Hershey Company since 2020, after serving there as Import Export Materials Manager (2017–2020). The profile cites more than 20 years in supply chain, including materials planning, procurement and import/export freight, and experience with 3 SAP ERP implementations, the most recent with SAP S4 Hana.
Juzar Badami
LinkedInExperience: Head of SAP Center of Excellence · Dangote Industries Limited
Head of SAP Center of Excellence at Dangote Industries Limited since 2019, after serving as Associate Director at PwC India (2014–2019). The profile says he is building the SAP Center of Excellence and driving S4 HANA migrations and adoption as part of large-scale, pan-Africa business transformation initiatives at the Dangote Group.
Konrad R.
LinkedInExperience: SAP S 4 Hana implementation Lead · Flora Food Group
Former SAP S 4 Hana implementation Lead at Flora Food Group (2019–2024) and SAP Process Manager there since 2020. The profile says the current role is process owner for Make to Deliver in factories, setting up SAP in factories being taken over or needing new functionality through gap analysis, requirements gathering, design support and test coordination. Earlier roles include Process and Technology Jr Manager at Unilever (2015–2019).
Leon Gelderblom
LinkedInExperience: Operating Model and Transition Senior Leader SAP S 4HANA · Asahi Europe & International
Operating Model and Transition Senior Leader SAP S 4HANA at Asahi Europe & International since July 2026. The profile says the role involves translating a high-level design into an executable roadmap, establishing governance and RAID discipline, and defining roles across central process owners and local markets. It also lists Director of IT Applications & Platforms at DS Smith (2023–2025).
Oleg Zdorik
LinkedInExperience: Senior Director - Global S 4HANA Program · Novartis
Senior Director - Global S 4HANA Program at Novartis since 2023, after serving as Global S 4HANA Program Design Lead (2021–2023), where the profile says he led the global team defining the new ERP template for Novartis on S/4 HANA. Other Novartis roles include ERP Program Manager - SAP ECC (2017–2022).
Padmakar Surisetty
LinkedInExperience: Director, FLNA PGT Lead · PepsiCo
Director, FLNA PGT Lead at PepsiCo since 2021, after PepsiCo roles as Director - Global IT Ops (2019–2021) and Sr. Manager (2002–2018). The profile says the current role leads the SAP S4 HANA implementation in Frito-Lay, and its headline describes an SAP & ERP transformation leader for global manufacturing and supply chain.
Preeta Nair
LinkedInExperience: Senior Manager S4 HANA Transformation Leader · Rich Products Corporation
Senior Manager S4 HANA Transformation Leader at Rich Products Corporation since 2022, which the profile describes as a food and beverage manufacturing company. Earlier roles include Senior S4 Solution Architect at Hewlett Packard Enterprise (2021–2022), SAP Application Consultant Lead at Capgemini (2020–2021) and SAP Team Lead (HDF) at Halliburton (2015–2020).
Rao S.
LinkedInExperience: Technical Head - SAP S 4 HANA Global ERP Transformation Program · Solvay
Technical Head - SAP S 4 HANA Global ERP Transformation Program at Solvay since 2025 and Head of Digital Systems Integration Platform there since 2022. The profile says he is leading a multi-million transformation consolidating three legacy ERP systems into a single SAP S/4HANA platform, a 3.5-year initiative set to complete by late 2028. Earlier Solvay roles include SAP PtP ERP Integration Lead (2018–2022).
Thorsten Hackenbroich
LinkedInExperience: Head of ERP Transformation (SAP S 4HANA) · Westfalen
Head of ERP Transformation (SAP S 4HANA) at Westfalen since 2025 and former Senior Director, S4HANA Business Integration Lead at Bayer (2021–2022). Other Bayer roles include Senior Director, Customer Service Operations Excellence Lead (2022–2024) and Director, Global Process Owner (GPO) Order to Bill (2017–2019). The profile describes leading and stabilizing complex ERP, integration and transformation programs, with a track record that includes S/4HANA rollouts.
Choose the right perspective
Match the person's role to your question: program and transformation leaders suit questions about scope, sequencing and governance, while process owners and implementation leads suit questions about specific process areas and cutover. Check whether the S/4HANA work is current or past and how far the program had progressed.
Questions to take into the conversation
- 01How did you decide between a greenfield and a brownfield S/4HANA approach, and would you choose the same again?
- 02How did you set up a global template and governance so local markets did not drift from it?
- 03What did you do about data migration and cutover to avoid disrupting operations at go-live?
Reaching SAP S/4HANA experts
How can I contact one of these SAP S/4HANA experts?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 10 companies, including Brenntag, The Hershey Company and Dangote Industries Limited, based on profile data retrieved on September 28, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach SAP S/4HANA experts?
You choose the offer, starting at $5 per person. It includes Instant Expert's 20% fee, so an offer that pays the person $100 costs you $125. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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