Working Groups

Members

The PKI Consortium brings together leading organizations committed to trustworthy digital identities and secure communication.

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Member of the PKI Consortium

Siemens AG

A global technology leader driving innovation in industry, infrastructure and mobility through digital transformation.

Representatives

Zuzana Ajnass

PSSE

Maria Altmann

Cybersecurity Specialist

I am a Cybersecurity Professional at Siemens and a member of the company’s Post-Quantum Cryptography for IT core team. My work focuses on preparing enterprise environments for the challenges of the quantum era, with particular interest in the intersection of cryptography, digital identities, and trust architectures. Beyond PQC, I lead initiatives on non-human identities, API authentication, and workload identity security. I am passionate about building resilient digital trust ecosystems for the post-quantum era.

Halil Aydoğuş

Product Owner

Madhuri Badgandi

Research engineer

Sabarish Balasubramanian

Cybersecurity Expert

Thorsten Bergmann

Head of PKI Services

Josephine Brand

Innovation Specialist for Cybersec

Hendrik Brockhaus

Senior Key Expert

Andreas Böhler

Network Admin

Aninda Chakraborty

PSSO

Kai Che

Cybersecurity Architect

Carla Coutinho

IT Service Professional

Christoph Dannenberg

IKV

Esther De Castro Moya

IT SAP Security Team Lead

Thibaut De Laere

Young Graduate Cybersecurity

Fabrizio De Santis

Senior key expert

Peter Demmel

Cybersecurity Manager

Edson Fagundes

Domain Architect Attack Detection and Response

Laura Günther

Identity Expert

Laura Günther is a Cybersecurity Professional at Siemens with a focus on digital identity, PKI, and emerging cybersecurity technologies. She is involved in initiatives related to post-quantum cryptography and helps Siemens prepare for the future of digital trust.

Tanja Hummel

Developer

TAKASHI ICHIMASA

Pre Sales Consultant

Harald Kaiblinger

PKI Consultant

Ratinder Kaur

Researcher

Hasan Kesim

Cybersecurity Architect - PQC

Ajay Mahadevan

Cybersecurity Engineer

Daniel Mayer

ISO

Andre Meier

System Architect

Kiron Mirdha

Research Scientist

Maksim Mirkovic

Product and Solution Security Officer

Charles Ngethe

Senior Network Engineer

George Postelnicu

PKI Architect

Anjana Prabhakar

Technology Professional - Cybersecurity

Thomas Radetzki

Software Engineer

Alex Reisler

Software Architect

Kai Rohrbacher

Senior Key Expert

Malek Safieh

Siemens AG, Security Architecture

Ramesh Sattenapalli

E&C Manager

Nicole Senkpiel

Head of Sales

Ramkrishna Shendkar

Product and Solutions Security Officer

Wilko Wenzel

Solution Architect

Wilko Wenzel is a Lead Architect for PKI Services at Siemens IT, leading the design and evolution of enterprise trust and cryptographic services. His expertise spans PKI, digital identities, certificate lifecycle management, smart card technologies, and HSM-based security, with a focus on building resilient and scalable trust infrastructures for a global enterprise. Beyond traditional PKI, he is passionate about crypto agility, post-quantum cryptography, AI, and DevOps, exploring how automation and emerging technologies can shape the future of enterprise security services.

Jim White

Consulting Systems Engineer

haiyang diao

Cybersecurity Expert Engineer

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