---
title: "Justin McMahan, COO & Co-founder"
description: "Justin McMahan is COO & Co-founder at Checker in United States."
canonical_url: "https://liners.com/people/justin-mcmahan"
markdown_url: "https://liners.com/people/justin-mcmahan.md"
type: "person"
language: "en"
image: "https://assets.liners.com/storage/v1/object/public/media/people/checker/cmr2pft3s000y04jv7y122pk8/e92409ac-7dff-4d72-bac7-7ac3d5b6b8ce.png"
---

# Justin McMahan, COO & Co-founder

Justin McMahan is COO & Co-founder at Checker in United States.

## Breadcrumbs

- [People](/people)
- [Justin McMahan](/people/justin-mcmahan)

## Summary

Justin McMahan is COO & Co-founder at Checker in United States.

## Profile

Justin McMahan is COO & Co-Founder at Checker. Previously Strategic Advisor at Stealth Web3 Startup.

## Bio

Justin McMahan is COO & Co-Founder at Checker. Global strategic financial and operational management leader with more than 20 years of experience working for Fortune 500 investment banks/broker dealers (Morgan Stanley), leaders in financial market data management (Moody’s Investors Service, Dow Jones Markets) and world-class financial technology trading and digital asset firms (Tower Research Capital LLC). A leader in developing businesses and teams within finance, risk, operations and relationship management. Career highlights: COO & Co-Founder at Checker (Jan 2025–Present); Strategic Advisor at Stealth Web3 Startup (May 2023–Mar 2026); Principal & Co-Founder at Lunaria Group (Dec 2022–Dec 2024); COO/CFO at Leading Digital Asset Management Platform (Nov 2021–Dec 2022); Managing Director - Global Treasurer at Tower Research Capital (Mar 2016–Nov 2021); Managing Director - Head of Operations, Treasury & Client Service at Serengeti Asset Management (Jan 2012–Mar 2016). Education: College of the Holy Cross; Fordham Gabelli School of Business (Master of Business Administration - MBA, International Finance). Based in United States.

## Product

- [Checker](/checker): One API for stablecoin liquidity and cross-border payments

## Sources

- [Justin McMahan \| LinkedIn](https://www.linkedin.com/in/justin-mcmahan): LinkedIn

## Related pages

- [People directory](/people)

## Access and citation

- [Canonical HTML page](https://liners.com/people/justin-mcmahan)
- [Markdown route index](/sitemap.md)
- [Agent access guide](/llms.txt)