Sergio Stieben

Financial Forensics: The Due Diligence Files

Business EN ↓ 300 episodes

Forensic dissection of capital markets collapses. Not headlines — mechanisms. How money moved. Where structures broke. T1 — Full autopsy. The collapse, the actors, the moment nobody stopped it. T2 — GP/LP room. 3 red flags in the documents. Due diligence questions. Active parallels in deals running today. For allocators, GPs, and fund professionals. Hosted by Sergio Stieben — 15 years in GP/LP relations, cross-border finance US-LatAm-Europe. Data Sheets + early access to LiveDealScreen — live case database and pattern-matching tool for GPs and LPs: ⁠⁠⁠https://risk-pattern-scan.lovable.app

Author

Sergio Stieben

Category

Business

Podcast website

podcasters.spotify.com

Latest episode

Jul 10, 2026

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Episodes

PCAOB China Reform 2022│The Cross-Border Audit Verification Gap & Sovereign Access Standoff │ File 138 T1 29.06.2026

For more than fifteen years, a regulator had the legal authority to inspect the audit work behind hundreds of billions of dollars in companies trading on American exchanges. For more than fifteen years, it could not use that authority. Not because the law did not apply. Because the country where the audits were performed would not let inspectors in the door. That is not a description of a loophole...

Danske Bank Estonia 2015: Correspondent Banking Exit Signals & The Revenue Protection Imperative│File 137 T2 29.06.2026

This GP, LP, and institutional counterparty analysis isolates the structural breakdown where extreme branch profitability suppresses organizational information flow. We examine how the financial contribution of a problematic business unit becomes an institutional force that prevents risk data from producing action. I have reviewed credit assessments of European banks where correspondent banking ex...

Extraordinary Branch Profitability & The Internal Information Suppression Mechanism in Danske Bank Estonia│File 137 T1 29.06.2026

The branch generated ninety-nine percent of its profits from accounts that nobody at headquarters wanted to examine too closely. That was not an accident. It was the structure of the incentive. Between two thousand and seven and two thousand and fifteen, a small branch of one of Northern Europe's largest banks processed more than two hundred billion euros in transactions through accounts held...

The Triple-A Liability: How a Shadow Subsidiary Triggered the $182B Collapse of AIG│File 136 T1 28.06.2026

The subsidiary had no regulatory requirement to hold capital reserves against the protection it sold. It was not a bank or an insurance company. It was a derivatives dealer operating under a consolidated supervisor that did not examine its derivatives portfolio for the first six years it was writing credit default swaps. It sold four hundred and forty billion dollars in protection during that peri...

AIG Financial Products 2008 : Regulatory Arbitrage & Credit Risk Modeling in Financial Holding Structures│File 136 T2 28.06.2026

This GP and LP layer targets the structural mechanics of financial holding companies that house complex, unexamined derivatives operations. We isolate how the separation between a regulated parent and an unregulated subsidiary masks systemic risks, leaving traditional credit metrics and capital ratios blind to correlated default scenarios. I have analyzed structures where consolidated balance shee...

Hindenburg Research 2025: The Dual Short Report Classification & Institutional Portfolio Governance│File 135 T2 28.06.2026

This GP and LP layer addresses the institutional governance gaps that surface when an activist short report targets a core portfolio company. We isolate the mechanical friction between treating external investigative research as a raw trading signal versus processing it as an unverified due diligence input. I have sat in risk committee meetings during Hindenburg’s operational peak where long holde...

The Price of Truth: Inside Hindenburg Research’s 8-Year War Against Corporate Fraud│File 135 T1 28.06.2026

The firm took a short position in the company before it published the report. It disclosed the short position in the report. The report was accurate. The company's founder was later convicted of fraud and sentenced to prison. The firm profited from the stock price decline that followed the report's publication. Every one of those statements is true simultaneously. The question they produce togethe...

Three Arrows Capital 2022: Bilateral Credit Opacity & The On-Chain Counterparty Surveillance Gap│File 134 T2 27.06.2026

This GP and LP institutional analysis isolates the structural breakdown of uncollateralized bilateral credit risk modeling in the absence of central clearing mechanisms. We examine how 3AC weaponized informational asymmetry, executing a loop where borrowed assets were re-pledged across separate lenders to support multiple credit lines simultaneously. I have reviewed credit committee materials from...

The Only Lender Illusion:Inside the Invisible 3.5B Leverage Loop of 3AC│File 134 T1 27.06.2026

They told each lender they were the only one. Not explicitly. Not in writing. But the structure of how they borrowed money meant that no individual lender knew the total amount being borrowed from everyone else. Each one thought they had a large counterparty. None of them knew they were one of twenty-seven. When the margin calls came in June two thousand and twenty-two, Three Arrows Capital owed t...

Celsius Network 2022: The Terms of Service Asset Title Illusion & Rehypothecation Arbitrage│File 133 T2 27.06.2026

This GP and LP institutional layer analyzes how undisclosed rehypothecation and unconstrained asset-liability duration mismatches convert demand-callable deposit products into low-priority unsecured creditor positions within a bankruptcy estate. We isolate the corporate accounting distortions that occur when a credit platform operates outside fractional reserve mandates, capital adequacy standards...

How Celsius Network Built the Ultimate Digital Bank Run│File 133 T1 27.06.2026

The chief executive of the company went live on a public video stream and told his audience that the platform had billions in liquidity and was providing immediate access to everybody. Three days later, the company froze every account on the platform. No withdrawals. No swaps. No transfers. The statement was not made in ignorance. By the time he made it, the bank run had been building for weeks. T...

PG&E 2019 Bankruptcy: The Historical Book Value Disconnect & Asset Maintenance Due Diligence│File 132 T2 26.06.2026

This GP and LP institutional layer deconstructs the structural accounting gaps that render traditional utility credit and equity modeling obsolete under physical climate risk. We isolate how US GAAP requirements carry transmission infrastructure at historical cost less accumulated depreciation, creating an analytical illusion where a nearly fully depreciated asset built in 1921 shows near-zero boo...

Why PG&E Sparked America’s Deadliest Utility Crisis│File 132 T1 26.06.2026

A metal hook on a transmission tower failed and energized wire fell into dry brush below. The hook was an original component. It had been in continuous service since nineteen twenty-one. It was ninety-seven years old on the morning it failed. That is not a weather event. That is a maintenance schedule. The liability that sent Pacific Gas and Electric into bankruptcy on January twenty-ninth, two th...

Astaldi S.p.A. Insolvency 2018: The Carrying Value Realization Gap & Project Cross-Default Risk│File 131 T2 26.06.2026

This GP and LP institutional analysis evaluates Astaldi as a core case study for infrastructure fund allocators, credit underwriting committees, and investment due diligence teams. We isolate the systemic disconnect between a company’s going-concern asset valuations and their actual cash realization value during periods of localized market distress and macroeconomic volatility. I have reviewed ref...

The Construction Giant That Choked on Its Own Debt│File 131 T1 26.06.2026

One hundred projects. Seventeen countries. Five continents. And a bridge in Istanbul that nobody would buy. That is not a metaphor for fragility. It is the precise architecture of how a ninety-year-old Italian infrastructure contractor filed for creditor protection in September 2018. Not because its projects failed. Not because its revenue collapsed. Because its entire refinancing plan—a three-hun...

BHS & Philip Green Collapse 2016: The Pension Covenant Valuation Gap & Private Equity LBO Risk│File 130 T2 25.06.2026

This GP and LP institutional framework converts the five hundred and seventy-one million pound British Home Stores collapse into a sophisticated due diligence risk manual for alternative asset allocators, credit underwriting committees, and corporate private equity buyers evaluating target companies carrying defined benefit (DB) pension deficits. We isolate the deep analytical failure of transacti...

The Billionaire Who Plundered His Own Company's Pension│File 130 T1 25.06.2026

He sold the company for one pound. Not because it was worth one pound. Because by the time he sold it, he had already taken out everything it was worth. That is not a metaphor. It is the arithmetic of fifteen years of ownership. In 2000, a British retail chain with a forty-three million pound pension surplus, nearly five hundred stores, and a functioning balance sheet changed hands for two hundred...

Greensill Capital Collapse 2021: The Institutional Disclosure Gap & The 2024 IASB Reporting Mandates│File 129 T2 25.06.2026

This GP and LP institutional analysis deconstructs Greensill Capital as an operational model for credit allocators and due diligence committees, shifting the analytical focus from the market narrative to the structural disclosure gap that preceded the collapse. We evaluate the mechanical transition of working capital tools into securitized credit instruments, outlining the specific signals in the...

Inside the Shadow Banking Empire That Fooled the World│File 129 T1 25.06.2026

The bank classified it as one of the safest investments it offered. The instruments matured in weeks. They were backed by invoices from companies with investment-grade credit ratings. The insurance was in place. The ratings were high. The marketing said cash equivalent. Then the insurance expired and ten billion dollars froze overnight. That is not the story of a rogue trader, a faked subsidiary,...

Braskem & Odebrecht Fraud 2016: The Related-Party Governance Deficit & The Arm's-Length Pricing Signal│File 128 T2 24.06.2026

This GP and LP institutional framework converts the multi-billion-dollar Braskem and Odebrecht collapse into an active due diligence protocol for evaluating companies operating within overlapping state-owned enterprise (SOE) environments and controlling-shareholder structures. We deconstruct the precise analytical failure of institutional allocators who accepted standardized related-party disclosu...

Inside the Department of Bribery: Latin America’s Biggest Fraud│File 128 T1 24.06.2026

The company needed raw materials. Its supplier was partly owned by its controlling shareholder. The controlling shareholder also controlled the board of the supplier. So when it came time to negotiate the price of those raw materials, one company sat on both sides of the table. That is the structure. What made it a criminal enterprise was the mechanism by which the pricing advantage was secured. N...

Bayou Accounting Fraud 2005: The Institutional Due Diligence Deficit & The Independent Asset Verification│File 127 T2 24.06.2026

This GP and LP institutional framework converts the multi-year Bayou Group collapse into an active asset-allocation due diligence model for hedge fund allocators, family offices, and institutional investment committees. We deconstruct the analytical question of why professional due diligence processes failed to formulate the foundational verification steps required when a target asset presents aud...

The Hedge Fund That Built a Fake Auditor to Fool Wall Street│File 127 T1 24.06.2026

The problem with an external auditor is that you cannot control what it finds. It reviews the books, asks questions, and verifies the assets. If the numbers are wrong, it stops signing. That is the structural logic of independent audit—the verification layer that exists precisely because the person who prepared the numbers has a reason to want them to look correct. The solution, if you are the per...

Theranos Regulatory Gap 2018: The Regulatory vs Commercial Validation & The Analytical Validity Deficit│File 126 T2 23.06.2026

This GP and LP institutional framework converts the multi-year Theranos collapse into an active regulatory due diligence model for life sciences, health technology, and medical device allocators. We deconstruct three distinct signals embedded within the corporate and disclosure record that could have allowed sophisticated investment syndicates to identify the structural breakdown before seven hund...

Blood, Lies, and False Promises: The Deadly Theranos Loophole│File 126 T1 23.06.2026

The device did not work. The tests it produced were inaccurate often enough to be dangerous. Patients received results that indicated cancer where there was none, or indicated normal values where there was disease. Tens of thousands of results were eventually voided. And for the entire decade that this was happening, the agency with authority over medical devices in the United States had no legal...

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