Working Groups

PQC
Post-Quantum Cryptography Working Group

Preparing the PKI ecosystem for the quantum computing era through collaborative research …
CM
Cryptographic Module Working Group

A central forum for addressing cryptographic module (CM) and hardware security module …
PKIMM
PKI Maturity Model Working Group

Building a globally recognized PKI maturity model for evaluating, planning, and comparing …
TCWG
Training and Certification Working Group

Advancing PKI knowledge and skills through structured training paths, certification …
CA
CA Working Group

A working group for discussions and information sharing among publicly trusted …
CBOM
CBOM Profiles Working Group

Developing a neutral, open methodology for defining Cryptographic Bill of Materials …

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Sarah McCarthy

SVP Cryptography, Quantum-Readiness at Citi

About

Sarah McCarthy, a leading expert in quantum-safe cryptography, champions Citi's Quantum Readiness Program. She holds a PhD in PQC from Queen’s University Belfast, is an affiliate of the Institute for Quantum Computing at the University of Waterloo, sits on the steering committee of Europol’s Quantum Safe Financial Forum and is a primary contributor to the US Treasury-led Quantum Readiness Task Force. Her work, spanning from developing quantum-safe network solutions to coordinating stakeholders towards a secure migration, focuses on securing financial systems against quantum threats.

Experience

  • SVP Cryptography, Quantum-Readiness

    Citi

    Oct 2026 – Present

    Sarah McCarthy, a leading expert in quantum-safe cryptography, champions Citi's Quantum Readiness Program. She holds a PhD in PQC from Queen’s University Belfast, is an affiliate of the Institute for Quantum Computing at the University of Waterloo, sits on the steering committee of Europol’s Quantum Safe Financial Forum and is a primary contributor to the US Treasury-led Quantum Readiness Task Force. Her work, spanning from developing quantum-safe network solutions to coordinating stakeholders towards a secure migration, focuses on securing financial systems against quantum threats.

  • Independent

    Oct 2026 – Present

    Sarah McCarthy, a leading expert in quantum-safe cryptography, champions Citi's Quantum Readiness Program. She holds a PhD in PQC from Queen’s University Belfast, is an affiliate of the Institute for Quantum Computing at the University of Waterloo, sits on the steering committee of Europol’s Quantum Safe Financial Forum and is a primary contributor to the US Treasury-led Quantum Readiness Task Force. Her work, spanning from developing quantum-safe network solutions to coordinating stakeholders towards a secure migration, focuses on securing financial systems against quantum threats.

Speaking

Post-Quantum Cryptography Conference

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