Mary Ann Callahan
Meet Our Members

Today we welcome new member Mary Ann Callahan to BWC!

Mary Ann Callahan is a Senior Consultant at Patomak Global Partners with decades of expertise in securities clearing and financial market infrastructures across federal and self-regulatory roles.

Most recently, she served as Senior Policy Advisor and Blockchain Fellow in the SEC’s Office of Clearance and Settlement, contributing to T+1 settlement, U.S. Treasury clearing, and digital assets policy. Earlier, she was Managing Director at DTCC, a post-trade advisor to the IMF and IDB, and a strategic advisor to Paxos and Securitize. She holds an MBA from NYU and a B.A. from Manhattanville University.

We appreciate her support for our work and mission, and we look forward to her engagement!