MATTHIAS REBELLIUS
MARC GANZI
CIARAN FLANAGAN
TECH & AI
MEET THE EXPERTS
MATTHIAS REBELLIUS
TITLE: MEMBER OF THE MANAGING BOARD OF SIEMENS AG AND CEO OF SMART INFRASTRUCTURE
COMPANY: SIEMENS INDUSTRY: TECHNOLOGY
Matthias Rebellius joined Siemens in 1988, entered industrial automation in 1990, transitioned to buildings business in 2003 and became Managing Board member and CEO Smart Infrastructure in October 2020.
MARC GANZI
TITLE: CEO COMPANY: DIGITALBRIDGE
INDUSTRY: DIGITAL INFRASTRUCTURE
Marc has founded and built leading firms in digital infrastructure, managed global investments and executed major acquisitions and mergers across the telecommunications and internet connectivity sectors for 30 + years.
CIARAN FLANAGAN
TITLE: VICE PRESIDENT AND GLOBAL HEAD OF DATA CENTRE SOLUTIONS AND SERVICES
COMPANY: SIEMENS INDUSTRY: TECHNOLOGY
Ciaran has extensive international experience in management, sales, marketing and technology, underpinned by an engineering background in semiconductors, IT / cloud operations and data centre construction.
“With digital transformation accelerating across every industry, our customers need infrastructure that moves as fast as they do”
Ciaran Flanagan, Vice President and Global Head
of Data Centre Solutions and Services, Siemens
134 November 2025