About PSI Algebra

Your Trusted Partner in
Digital Excellence

Our passion lies in empowering digital success. We are a team of dedicated professionals driven by innovation. With a shared commitment to excellence, we craft tailored solutions that drive your brand's growth, protect your digital assets, and redefine success in the digital landscape.

Scroll
EU AI Act compliance
NIS2 & GDPR advisory
Post-quantum cryptography
Defence procurement support
AI system audits
Penetration testing
EU AI Act compliance
NIS2 & GDPR advisory
Post-quantum cryptography
Defence procurement support
AI system audits
Penetration testing
EU AI Act compliance
NIS2 & GDPR advisory
Post-quantum cryptography
Defence procurement support
AI system audits
Penetration testing
EU AI Act compliance
NIS2 & GDPR advisory
Post-quantum cryptography
Defence procurement support
AI system audits
Penetration testing
Philosophy

How we think

Three principles that shape every engagement, every recommendation, and every line of code we produce.

One connected discipline

Privacy, cybersecurity, AI governance, and quantum readiness are treated as one system because decisions in one area change the risks in every other.

Evidence before theatre

Our advice is documented, prioritised, and designed to withstand technical, executive, procurement, and regulatory scrutiny.

Implementation matters

We move from strategy to working controls, software, audits, and migration plans instead of leaving clients with recommendations alone.

How we think

Proven framework

Four-stage delivery model

Methodology

The PSI framework

Four steps that transform complex, interconnected risk landscapes into clear, defensible action.

01

Map the system

Understand the organisation, technology, obligations, and threat exposure as one connected model.

02

Prioritise the risk

Separate urgent action from noise using clear evidence, dependencies, and practical constraints.

03

Build the response

Deliver the governance, engineering, audit, or migration work required to close the gap.

04

Keep it defensible

Leave a documented trail that teams, leaders, customers, and regulators can understand.

People

Team, partners & advisors

A multidisciplinary network of practitioners, researchers, and operators with deep experience across our core disciplines.

Dr. Rula Sayaf
CEO

Dr. Rula Sayaf

Entrepreneur, co-founder of Privacy Training Centre, PhD in Privacy and Security using Data Mining.

Peter Victorin
CEO — Privacy Rolemodel

Peter Victorin

Business development and entrepreneur mentor, CEO Hertz Lidingö, business development in Travel and Automotive industry, angel investor.

Dr. Miguel DeVega Rodrigo
Business Partner

Dr. Miguel DeVega Rodrigo

CTO of Sedicii. PhD in Machine Learning and Cryptography, authored 27 patents, serial entrepreneur.

Rob Leslie
Business Partner

Rob Leslie

CEO of Sedicii. Co-founder of Kyckr, leading KYC company listed on ASX. Launch team member Dell Japan: grew to $300M and 300 employees.

Paul McCarthy
Blockchain, Technology & Compliance Advisor

Paul McCarthy

Co-founder and CTO of The Mizen Group and CEO of Chrysalis DAE. 20 years' experience delivering large, complex technology, analytical, and governance programmes for financial services.

Douglas McCalmont
FinTech Advisor

Douglas McCalmont

Chief Compliance Officer and co-founder of Chrysalis DAE. Formerly Director of AML Investigations at Fidelity Investments and Global AML Compliance Officer at MFS Investment Management. Founder of BlocAlt.

Joseph M Bognanno
Business Partner

Joseph M Bognanno

Senior Technology Strategist and co-founder of Chrysalis DAE with over 25 years in financial services compliance (AML/FCC). Founder and President of Oxonia Triskelion Advisors LLC; former Senior Advisor at the U.S. Treasury.

Prof. Bettina Berendt
AI, Data Mining & Privacy Technology Advisor

Prof. Bettina Berendt

Professor at KU Leuven, Belgium and the University of Berlin, Germany. Expert in privacy, artificial intelligence, and anti-discrimination data mining algorithms.

Dr. Bo Gao
Privacy Engineer & Data Analyst

Dr. Bo Gao

PhD in Artificial Intelligence, specialising in data mining, privacy, and users' behaviour regarding privacy. Developed visualisation tools revealing patterns in multifaceted social media data.

Available now

Start with a clear view of the risk

Book a free 30-minute readiness assessment and receive a concise written report with your five highest-priority actions.