
Steve O'Donnell
Independent NED, Fractional Digital & AI Leader, Board Advisor
stephenodonnell
London, United Kingdom
Joined January 2026
Network
11.2K connectionsDLLNGV
DBPMPB
MDPCJP
PMSMSC
PBDPNB
FJMRSC
RBPBCC
Summary
Steve O'Donnell is an experienced technology executive with over three decades of global high-tech experience, holding numerous CIO, CTO, and leadership roles across diverse sectors including financial services, insurance, telecommunications, and security. He has a proven track record in digital transformation, M&A, and building and restructuring businesses, evidenced by his roles at companies like Coventry Building Society, G4S plc, Arthur J Gallagher, and GreenBytes. whateveryciowants+2
Beyond executive roles, Steve O'Donnell has a significant portfolio of non-executive directorships and advisory positions, demonstrating his strategic governance and guidance expertise. His current and recent board roles include Independent NED at The Cambridge Building Society and GUARDDOG AI, Non Executive Chair at FirstWave Cyber and Records Witness, Board Member at Scottish Business Network and Minerva CQ, and Non Executive Board Advisor at CFA UK. grcworldforums+2
He is an accomplished entrepreneur, having led disruptive businesses to successful trade sales and IPOs. Notably, he was Chairman and CEO of GreenBytes, which was acquired by Oracle, and has been involved in six trade sales, two MBOs, and one IPO. whateveryciowants+2
O'Donnell is recognized as an expert commentator and thought leader in data centers, storage, IT security, and cloud & managed services. He is a founding judge at Tech Trailblazers, a global awards program for enterprise technology startups, and is credited with initiating the Green Grid’s Data Center Maturity Model. whateveryciowants+2
Work
Writing
What Every CIO Wants - a guide for high technology salespeople
Green Grid’s Data Center Maturity Model (DCMM)
Credited as the initiator of the Green Grid’s Data Center Maturity Model (DCMM), which is well on the way to becoming an ISO standard for data centre efficiency and best practice.
Hobbies
Steve O'Donnell started his career as an engineer, involved in the design of the very first 3 1/2 inch Winchester disk. techtrailblazers
He is an active angel investor and business leader in Blockchain, Solid State Storage, IT Security, Smart Grid, Sustainability, Data Centre cooling technology and the IT Services sector. about
Notes
NPNick Peastersaid
SOSteve O'Donnell
is one of the most impactful leaders they've seen working across both private and public sectors globally.Feb 13, 2026
TPThomas Powersaid they've seen
SOSteve O'Donnell
guide senior leaders or the board through complex risk-related decisions.Feb 5, 2026
TPThomas Powersaid they've seen
SOSteve O'Donnell
make a real positive impact by deploying AI or machine learning in risk management at their financial institution.Jan 21, 2026
TPThomas Powersaid
SOSteve O'Donnell
is one of the most effective people they've worked with for modernizing legacy applications.Dec 2, 2025
Similar profiles
TP
Thomas Power
Member Board of Directors at Genius Group Limited
230.4K connections
ATAndrew Tallents
Leadership Associate at The Good Board
32.3K connections
SKsuresh Kondapureddy
Group CEO at Avenir Digital Inc
14.8K connections
DKDavid Kavanagh
Chief Technology Officer at Tillo
8.8K connections
CMCharlie Muirhead
Co-Founder at Neevie
34.6K connections
LDLex Deak
CEO at Basket
20.1K connections