us-treasury
(5)
Stuart Jones, Jr. and the price of trusting a stranger
Treasury assignments in Afghanistan and the Gulf taught Stuart Jones, Jr. how financial systems could be exploited. At Sigma360, he is turning that experience into tools for deciding whom to trust.
Noble
Noble is a purpose-built blockchain for native asset issuance, focused on stablecoins and tokenized real-world assets. Built on the Cosmos SDK and connected through IBC, it is the canonical home of native USDC in the Cosmos ecosystem and the issuer of the yield-bearing Noble Dollar (USDN). Founded in 2022 by Jelena Djuric, Stefan Coolican and John Letey after the collapse of Terra's UST, Noble gives issuers such as Circle, Ondo Finance, Hashnote and Monerium a neutral, compliant rail to mint dollars and distribute them across dozens of connected chains - with no gas token required and fees paid in USDC.
Meghan Joyce
Meghan Verena Joyce is the co-founder and CEO of Duckbill, a Boston startup that pairs AI with human experts to act as an executive assistant for your personal life - booking appointments, filing claims, and clearing the to-do list. Before founding Duckbill in 2022, she ran Uber's biggest East Coast markets, served as COO and EVP of Platform at Oscar Health, and advised the U.S. Treasury during the recession. She has raised $33 million for Duckbill, led by Forerunner Ventures, and sits on the boards of The Boston Beer Company and Guardant Health.
Peter Piatetsky
Peter Piatetsky is the co-founder and CEO of Castellum.AI, a New York compliance-technology company that automates AML/KYC screening for banks, credit unions, fintechs and crypto firms. A former US Treasury sanctions officer who once fined banks and froze illicit assets, he started Castellum after a month of staring at 38,000 compliance alerts that surfaced exactly one real threat. The company builds its own financial-crime data pipeline, refreshes it every five minutes, and routinely corrects errors in government sanctions lists. In July 2025 Castellum raised an oversubscribed $8.5M Series A led by credit-union and bank-backed funds.
Stuart Jones Jr.
Stuart Jones Jr. is the co-founder and CEO of Sigma360, an AI-powered risk intelligence platform fighting financial crime for banks, payment providers and globally exposed corporations. A former senior U.S. Treasury official who chased illicit money through Afghanistan and the Arabian Gulf after 9/11, he turned a counterterrorism playbook into enterprise software. In March 2026 his company closed an oversubscribed $17.3M Series B, having reached profitability and the now protecting more than $2 trillion in assets.