Stefano M. Di Geronimo-Zingg

Institutional Digital-Asset Sales | OTC Trading | Cross-Border Settlement
Miami, FL | +1 857 200 9823 | stefanomzingg@gmail.com | linkedin.com/in/stefanozingg | US Citizen | Open to New York relocation

Summary

Institutional digital-asset operator with nine years building commercial relationships, executing OTC flow, and navigating regulated payment rails. Founded the operating entity in October 2017 (EIN 82-3043846), obtained FinCEN MSB principal registration in November 2022, and built a verifiable book of $302M+ in principal volume across 2,769 institutional transactions serving 250+ corporate, fintech, and HNW clients in US ↔ LATAM and EU corridors.

Owned end-to-end the client coverage lifecycle: origination, KYC/EDD onboarding, OTC execution, liquidity-provider coordination, settlement, and post-trade reconciliation — all under federal MSB compliance with documented legal opinions (Perkins Coie, Nelson Mullins). Operating record fully verifiable on public block-explorers and via FinCEN registry.

Experience

Union Block LLC
CEO & Founder
Miami, FL
October 2017 - Present

Education

Universidad Metropolitana, Caracas, Venezuela · February 2019

Bachelor of Science in Business Economics

Quantitative economics curriculum: microeconomics, macroeconomics, econometrics, mathematical finance, and project evaluation.

Licenses & Certifications

FinCEN MSB Registration — Principal OTC Operator

Financial Crimes Enforcement Network (FinCEN), US Treasury

Initial registration: 31000233931040 · Current: 31000288665858 (November 2022, renewed January 2026)

Selected Counterparty Relationships

Liquidity Providers: Circle · Wintermute · Binance Institutional · Stillman Digital · Falconx · Kraken · 1Konto · Conduit · OpenFX · OSL

Banking partners: Lead Bank · Truist (SunTrust) · PNC Bank · Aion Bank · Customer Bank

Compliance infrastructure: Chainalysis KYT · Perkins Coie LLP · Nelson Mullins

Additional

Languages: English (Fluent, C2) · Spanish (Native, C2) · Italian (Intermediate, B1)

Authorization: US Citizen

Verification: Complete diligence-grade documentation available, including on-chain wallet verification of $302M+ inflows across 54 public wallets (TRX, ETH, SOL), FinCEN registry confirmation, counsel engagement records, and reference contacts at major LPs and banking partners, provided on mutual interest.