Open to selected permanent, interim, and program-recovery rolesSeoul·EU–APAC
Sébastien TangProgram and Delivery · Seoul
Case studies · 2012 → 2026

Named programmes
Public, attested work.

Named programmes I have run. Public facts only.

9
Engagements
5
Sectors
8M+
Records governed
99.9%
Uptime delivered
Engagement context

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Pick the closest context. Featured proof below re-orders; open the matching service section when you are ready to discuss scope.

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Featured · tailored to path AFeatured · tailored to path BFeatured · tailored to path C
Related case studiesStudies 02 & 03
Public evidence rules

Three rules for publishing a case study.

  1. 01

    Source and outcome stay separate.

    Client, period, role, and outcomes are grounded in a verifiable career record and public sources. Unsupported figures or causal claims are omitted.

  2. 02

    Facts stay separate from method.

    Verified client outcomes are separated from reusable delivery principles. Internal options or trade-offs absent from the public record are not reconstructed.

  3. 03

    Confidentiality beats completeness.

    Costs, internal decisions, and system details that cannot be published stay out. A short verifiable account is better than a complete invented narrative.

All 9 studies · key questions

If you had asked the question, this is the public answer.

Each study provides a short answer, the outcome that supports it, and a link to the full account. Options or trade-offs absent from the public record are not invented.

schema.org/FAQPageschema.org/Person
Q · 01 · Retail & Consumer Goods

How do you govern a global Salesforce estate without overriding local legal constraints?

A · short answer

Audit actual usage, define one governance method, and translate local obligations into explicit technical boundaries.

Receipt100%Global-HQ data integrity maintained2Service Cloud markets led1Worldwide governance method
Paris · 2023–24Read full →
DECISION 01
Verified answer

Audit actual usage, define one governance method, and translate local obligations into explicit technical boundaries.

Q · 02 · Life sciences

How do you move critical data from seven systems without losing a record?

A · short answer

Use explicit source-to-target mappings, reusable migration templates, reconciliation controls, and stop conditions that surface discrepancies before cutover.

Receipt0Data-loss incidents7Source systems85%Lower migration error rate
Paris · 2021–22Read full →
DECISION 02
Verified answer

Use explicit source-to-target mappings, reusable migration templates, reconciliation controls, and stop conditions that surface discrepancies before cutover.

Q · 03 · Energy

What does verified Salesforce governance look like at enterprise scale?

A · short answer

Create a named CoE, govern multi-cloud data flows, and make availability an explicit operating standard.

Receipt9CoE members8M+Records governed99.9%Availability
Paris · 2019–21Read full →
DECISION 03
Verified answer

Create a named CoE, govern multi-cloud data flows, and make availability an explicit operating standard.

Q · 04 · Retail & Consumer Goods

How do you recover a Salesforce deployment when vendor delivery has broken down?

A · short answer

Diagnose the delivery chain, separate salvageable work from structural failure, and execute a correction plan with explicit ownership.

Receipt100%Project velocity recovered3Months to recovery1Correction plan executed
Paris · 3 monthsRead full →
DECISION 04
Verified answer

Diagnose the delivery chain, separate salvageable work from structural failure, and execute a correction plan with explicit ownership.

Q · 05 · CPG / Spirits

How do you align a greenfield Salesforce program across four geographies?

A · short answer

Define the architecture and commercial workflows, then arbitrate requirements between headquarters, delivery centers, and local markets.

Receipt4Geographies coordinated2Local markets1Greenfield platform
Seoul · 4 monthsRead full →
DECISION 05
Verified answer

Define the architecture and commercial workflows, then arbitrate requirements between headquarters, delivery centers, and local markets.

Q · 06 · Luxury Retail / Fashion

How do you keep a board-visible CRM portfolio on track?

A · short answer

Run risk management before launch, align the cross-functional unit, and connect delivery decisions to the validated roadmap.

Receipt€2M+CRM portfolio50+Risks neutralised6Business units aligned
Paris · 7 monthsRead full →
DECISION 06
Verified answer

Run risk management before launch, align the cross-functional unit, and connect delivery decisions to the validated roadmap.

Q · 07 · Entertainment / Hospitality

How do you scope a Salesforce implementation partner before build starts?

A · short answer

Audit the operating model, design the target solution, and write the technical scope into the RFP used for partner selection.

ReceiptEuropeMarkets audited1Target solution1Technical RFP
Paris · 7 monthsRead full →
DECISION 07
Verified answer

Audit the operating model, design the target solution, and write the technical scope into the RFP used for partner selection.

Q · 08 · Technology / System Integration

How do you scale a Salesforce delivery practice without relying only on senior hiring?

A · short answer

Define competency levels, build a graduate-to-consultant curriculum, and connect bid selection to delivery capacity.

Receipt5→200Practice scale4Years
Paris · 4 yearsRead full →
DECISION 08
Verified answer

Define competency levels, build a graduate-to-consultant curriculum, and connect bid selection to delivery capacity.

Q · 09 · HR Tech / SaaS

What changes when a Salesforce build is a product rather than a single-client implementation?

A · short answer

Own the product lifecycle, define user stories with clients, and lead a small team through packaging and AppExchange publication.

Receipt3xGo-to-market acceleration3Developers led1AppExchange product
Paris · 14 monthsRead full →
DECISION 09
Verified answer

Own the product lifecycle, define user stories with clients, and lead a small team through packaging and AppExchange publication.

Trusted by European enterprises · 2014 → 2026

5 sectors · 9 studies
Life sciences
Luxury · Retail
Energy
Entertainment
SI · Internal
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