Goldman Sachs · Tradeweb · 30 Years

Built the Systems.
Transformed the Organization.
Audited the Controls.

Nine years auditing trading, post-trade, and risk platforms at Goldman Sachs and Tradeweb. Before that, building those same systems at Bear Stearns, JPMorgan, and Bank of America, and leading regulatory technology transformation programmes at UBS, HSBC, and Citigroup. Available independently — for TradFi institutions that need a senior practitioner to step in and execute, and for digital asset firms building institutional-grade controls under the GENIUS Act and OCC for the first time.

TradFi Institutions
ITGC · SOX 404 · ERM · Operational Resilience
Trading & Post-Trade · FFIEC · Third-Party Risk · Pre-IPO SOX
Digital Asset and Fintech
GENIUS Act · OCC Charter · SOC 2
Stablecoin Reserve Integrity · Smart Contract Controls · Custody & Key Management · AML/BSA
// Career at a Glance
30+
Years in financial technology, risk, and audit
9+
Years at Goldman Sachs — GBM trading and post-trade, global offices
3
Career phases: Trading Systems Developer · Transformation PM · Auditor
On-site or remote · Embedded or independent
// Institutional Experience
Goldman Sachs Tradeweb JPMorgan Bank of America Bear Stearns
// Consulting & Project Experience
UBS Credit Suisse HSBC Citigroup Bunge
// Core Audit & Risk Capabilities
ITGC · ITAC SOX 404 SOC 1 · SOC 2 COSO ERM Cybersecurity Operational Resilience BCP · DR FFIEC NIST CSF Cloud Controls Trading Systems Digital Assets

My Background

Three distinct roles over thirty years — building financial systems, leading technology transformation across global institutions, and conducting technology audits. Each phase built directly on the one before it.

// 1997 to 2005
Trading Systems Developer
Bear Stearns · JPMorgan · Bank of America · Bunge
Built front-office trading systems for Commodities, Repo, Swaps, and Equity Derivatives — trade capture, clearing and settlement, MTM valuation, and risk management. Led Bank of America Tokyo's equity platform in collaboration with the Japanese regulator. That systems background informs how I approach technology audits — understanding the design and architecture before assessing the controls.
// 2006 to 2015
Technology Transformation Program Manager
UBS · Credit Suisse · HSBC · Citigroup · Bunge
Led technology transformation programs at global financial institutions — HSBC Mexico KYC/AML migration, Citigroup Canada futures platform integration, trading and operating model redesign at UBS and Credit Suisse. Translating regulatory requirements into executable technology change across multiple jurisdictions is the delivery backbone I bring to every engagement.
// 2015 to 2025
Technology Auditor and Risk Manager
Goldman Sachs (Global Banking & Markets) · Tradeweb Markets
Nine years at Goldman Sachs auditing trading, post-trade, and risk platforms across New York, Hong Kong, and Salt Lake City — ITGC, SOX 404, ERM, cybersecurity, and operational resilience. Built the GS Salt Lake audit function and supported GS China's regulatory readiness for CSRC licence approval, assessing that trading and post-trade control frameworks met CSRC requirements for market entry. At Tradeweb: SOC, SOX, BCP/DR, AWS cloud, and cybersecurity for electronic trading platforms.

That progression is the credential. A practitioner who built trading systems at Bear Stearns and JPMorgan, led regulatory technology programmes across six global institutions, then spent nine years auditing those same system types at Goldman Sachs sees control gaps differently. Most failures trace back to a change management weakness, an entitlement blind spot, or a monitoring gap left unaddressed when the operating model was designed — on a core banking system or a blockchain.

Two Domains. The Same Institutional Standard.

Institutional-grade audit methodology applied to TradFi institutions and digital asset firms. The controls are the same. The regulatory overlay and technology stack differ.

TradFi Institutions
Banks, Broker-Dealers, Trading Platforms, and FinTechs

Senior independent execution — audit delivery, regulatory remediation, ERM uplift, or a programme behind schedule. Institutional-grade methodology. Completed workpapers. Fixed deadlines met.

  • ITGC and ITAC audit execution — access, change, IT operations, and application controls with completed workpapers
  • SOX 404 and SOC 1/2 control testing, embedded or independent
  • ERM framework design — COSO-based, with IT Risk Management as an integrated subdomain
  • Operational resilience programme — BCP, DR, crisis management, FFIEC and COSO ERM aligned
  • Trading and post-trade platform audit — front-office controls, clearing, collateral, and regulatory reporting (SEC, CFTC, FINRA, MiFID II)
  • FFIEC examination preparation, regulatory remediation, cloud controls, third-party risk, and pre-IPO SOX build
ITGC · ITAC SOX 404 SOC 1 · SOC 2 COSO ERM FFIEC Operational Resilience Trading Systems Cloud Controls Third-Party Risk
See the Operational Resilience Audit Work Program
Digital Asset and Fintech
Stablecoin Issuers, Digital Asset Firms, and OCC Charter Applicants

The GENIUS Act and OCC charter require the same institutional controls that major regulated banks have operated against for decades. Most digital asset firms are building that infrastructure for the first time under a live regulatory deadline. That is precisely the work I have been doing for 30 years.

  • GENIUS Act reserve certification controls and independent attestation support — three-ledger reconciliation and RPAF coordination
  • OCC National Trust Bank Charter ITGC readiness — examination preparation and first-line control design
  • SOC 2 Type II institutional build — control design, evidence standards, and operating effectiveness testing
  • Cross-ledger reconciliation architecture and audit — blockchain integrated with any traditional system of record
  • Digital asset custody controls, smart contract change management, and AML/BSA technology controls review
GENIUS Act OCC Charter SOC 2 Cross-Ledger Reconciliation Reserve Attestation Smart Contracts HSM · MPC AML · BSA
See the Cross-Ledger Integrity & Reconciliation Platform

Three Working Examples. Two Domains. One Methodology.

The operational resilience audit work program demonstrates institutional audit methodology applied to TradFi — eight control domains built to FFIEC, COSO ERM, and NIST CSF standards. The cross-ledger integrity platform applies that same methodology to the blockchain reconciliation problem — monitoring engine, architecture analysis, a 30-control audit work program, and a Reserve Integrity Monitor showing what the output looks like running against live stablecoin reserve data.

// TradFi and Digital Asset · Operational Resilience · ERM
Operational Resilience Audit Work Program

A structured audit work program covering eight core domains — governance, business continuity, disaster recovery, third-party resilience, crisis management, technology resilience, data integrity, and a supplemental digital asset domain. Built for TradFi institutions and digital asset firms. FFIEC, COSO ERM, NIST CSF, and OCC standards mapped throughout. Representative of the work product a senior institutional practitioner delivers on an engagement.

8 Core Audit Domains TradFi and Digital Asset FFIEC Mapped COSO ERM Risk Scoring Test Procedures
8
Audit Domains
2
Audiences: TradFi and Digital Asset
4
Frameworks: FFIEC · COSO · NIST · OCC
// DeFi & Digital Asset · Cross-Ledger Integrity · Reserve Integrity
Cross-Ledger Integrity & Reconciliation Platform

Any environment where a traditional system of record must stay synchronised with a blockchain ledger creates the same structural control problem — two sources of truth must behave as one. This platform documents the reconciliation monitoring engine, a platform architecture comparison across Legacy and Blockchain systems, and a 30-control audit work program across seven domains. The Reserve Integrity Monitor shows what the output looks like running against live stablecoin reserve data. Anchored in GENIUS Act requirements; the control pattern is reusable across industries.

Stablecoin Reserve Integrity Three-Ledger Reconciliation 4 Industry Use Cases Legacy vs Blockchain Architecture 30 Controls · 7 Domains GENIUS Act · OCC · FFIEC · COSO Reserve Integrity Monitor
7
Control Domains
30
Controls Tested
4
Industries Covered
// TradFi · Pre-Trade Risk Controls · CFTC Part 150
Pre-Trade Position Limit Controls — Audit Case Analysis

A TradFi audit case tracing four compounding control failures in a pre-trade Position Limit Monitoring (PLM) system — from a superseded CFTC regulatory standard never updated in code, to OTC positions excluded from the aggregate, to a third-party vendor delta price error accepted without validation. Each gap individually is a finding. In sequence they create a regulatory compliance exposure that appears controlled on the surface. This is the pattern technology auditors find in production trading system audits.

CFTC 17 CFR Part 150 Four-Stage Failure Chain ITGC · SOX 404 Completeness · Accuracy · Timeliness CME Group Exchange Rules
4
Compounding Gaps
3
Audit Assertions
5
Control Objectives

Could It Happen Here?

The same control failures that surface in post-incident regulatory reviews — missing segregation of duties, absent pre-trade gates, no reconciliation — appear in both TradFi and digital asset operations. An auditor's ability to analyse a live incident, map the failure chain to ITGC and ITAC controls, and then ask "does this gap exist in our environment?" is the standard both the OCC and internal audit committees expect. The three panels below show the preventive layer, the failure analysis, and the execution tool — in sequence.

Audit Universe Risk Taxonomy Risk Assessment ← Panel 1 Planning Execution ← Panel 3 Reporting
// Panel 1 · Before It Happens
Stablecoin Control Framework
Nine stablecoin lifecycle domains derived from the GENIUS Act and OCC proposed rule 12 CFR Part 15 — designed as the stablecoin-specific module within an existing audit universe. Covers all stages from issuance through attestation.
Stage 1 · Control Design
Stablecoin Control Foundation Guide
Six control areas — what to build, in what order, and what evidence OCC examination standards require.
Stage 2 · Gap Assessment
OCC Charter Readiness Checklist
43 items derived from the PRC — one per process step. Every item traces to a specific OCC NPR section or GENIUS Act provision.
// Panel 2 · When Controls Fail
Incident Analysis
Structured post-incident analysis mapped to ITGC, ITAC, and NIST CSF controls — following OCC Bulletin 2023-17 and FFIEC supervisory expectations. Each analysis identifies the failure chain and asks: does this gap exist here?
DeFi · Stablecoin $25M extracted
Resolv USR Exploit
Unauthorized minting · Single-key compromise · No mint gate · $1.00 → $0.27 peg collapse
Read Analysis →
DeFi · Solana · Governance $285M extracted
Drift Protocol Exploit
Social engineering · Durable nonce multisig bypass · Governance takeover · April 1, 2026
Read Analysis →
View All Case Analyses →
// Panel 3 · How to Test
Stablecoin Technology Audit Work Program
Seven audit domains built from the Risk Taxonomy — test procedures derived from the PRC's 43 key controls. Structured for direct auditor execution. Each domain has a control objective, key risk, test procedures, evidence requirements, and OCC NPR regulatory cite.
D1 · ITGC Access Mgmt
D2 · Change & Smart Contract
D3 · Reserve Integrity
D4 · Cybersecurity & Keys
D5 · AML / BSA
D6 · Third-Party & Custodian
D7 · Governance & Attestation
Stage 3 of the methodology. Every test procedure tests a PRC key control. Structured for auditor execution — not client self-assessment.

Three Ways to Engage

If you have a live project, an audit coming up, or a gap on your team, here is how I can step in. I am comfortable working alongside existing teams or independently, on-site or remote, and I focus on delivering completed work rather than recommendations.

01
Embedded on Your Project
You have a SOX audit, a controls build, or a regulatory response already underway. I come in, work alongside your team, and deliver completed work. On-site or remote. I pick up where needed and execute to the deadline.
On-site or Remote Audit Execution Controls Build
02
Audit Behind Schedule — Step-In Support
Your audit is behind schedule. Deadlines are fixed. I come in, assess where things stand, pick up the remaining procedures, and complete the work on time. The scope is already defined — I just execute it.
Step-In Execution Fixed Deadlines Audit Completion
03
Retained Independent Oversight
You need senior technology risk and audit expertise available on a continuing basis — for board reporting, audit cycles, regulatory responses, or programme oversight. Monthly engagement, no full-time headcount required.
Board Reporting Audit Cycles Risk Oversight

Full Resource Library — TradFi & Digital Asset

View All Resources
// Why Now OCC Charter Wave  5 conditional approvals Dec 2025 · Circle · Ripple · BitGo · Fidelity · Paxos OCC NPR Deadline  May 1, 2026 · 12 CFR Part 15 · Docket OCC-2025-0372 GENIUS Act  Enacted July 2025 · 12 U.S.C. 5901 CLARITY Act  H.R. 3633 · House passed · Senate pending

The three downloadable PDFs above are part of a broader set of tools — including an interactive regulatory library covering the GENIUS Act and OCC NPR, a 43-step Process, Risk & Control (PRC) Mapping, a risk taxonomy, and a live Reserve Integrity Monitor. The full library spans both TradFi and digital asset audit methodology.

Start with a Conversation.

If you are working through a regulatory examination, a controls gap, an audit that is running behind, or a deadline that is closing in — a short conversation is the right first step. Describe your situation in the form and I will respond personally.

  • No pitch — just an honest discussion about your situation and whether my background is a match for what you need
  • I respond personally, not through an assistant or account manager
  • If I can help I will say so directly. If I am not the right fit for what you need, I will tell you that too.

I work across embedded audit execution, step-in project support, and retained advisory. All engagements start with a scoping conversation at no charge.

Tell Me What You Are Up Against

Responses within 24 hours · All engagements begin with a scoping conversation