About Maman Ibrahim

Founder of DiamondSoul and Creator of The Decision Layer

Maman Ibrahim is the founder of DiamondSoul and the creator of The Decision Layer, a principal-only advisory practice serving boards, audit and risk committees, and senior risk leaders at regulated UK and EU firms.

His work centres on decision defensibility: whether a governance decision can be reconstructed, justified and evidenced under regulatory examination twelve months after it was taken.

Years of Experience in Cybersecurity and Digital Risk​
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Maman Ibrahim is the founder of DiamondSoul and the creator of The Decision Layer, a principal-only advisory practice serving boards, audit and risk committees, and senior risk leaders at regulated UK and EU firms.

His work centres on decision defensibility: whether a governance decision can be reconstructed, justified and evidenced under regulatory examination twelve months after it was taken.

He advises on obligations under DORA, NIS 2, SMCR, SOX and the EU AI Act, and on the governance of artificial intelligence and post-quantum cryptography. Engagements are delivered personally, with no associates and no offshoring.

Before founding the practice, he held senior risk, security and audit roles at Michelin, GSK and Haleon. He is a Fellow of the Institute of Strategic Risk Management, sits on the Ethos Institute Advisory Board, and is a member of the Forbes Technology Council. He writes on risk governance for Forbes, CIO.com, CSO Online, ISC2, ISACA, and InformationWeek.

Credentials: F-ISRM · F-IoCR · CISSP · CISA · CRISC · CDPSE · ISO 27001 Lead Auditor · Azure Security Architect · ICF Accredited Coach

Contact: maman@thedecisionlayer.org · thedecisionlayer.org

Certifications