The Enigma Team

Senior practitioners with deep operational experience across enterprise IT strategy, cloud architecture, cybersecurity, and data analytics — practitioners who have worked inside the organizations they now advise.

Leadership

Principal Advisors

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Jonathan R. Aldrich
Founder & Managing Principal

Jonathan brings 22 years of enterprise IT leadership experience, including CTO roles at two publicly traded technology companies and prior engagements at Deloitte Consulting and IBM Global Services. He leads Enigma's IT strategy and digital transformation practices.

MS, Computer Science — MIT • MBA — Harvard Business School

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Dr. Priya Nandakumar
Principal, Cybersecurity & Risk Advisory

Priya leads Enigma's cybersecurity practice with 18 years of experience spanning enterprise CISO advisory, incident response, and security architecture. She previously served as Deputy CISO at a Fortune 500 financial institution and directed the security assurance practice at a Big Four firm.

PhD, Information Security — Carnegie Mellon University • CISSP, CISM

Practice Leadership

Discipline Leads

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Marcus T. Brennan
Cloud & Infrastructure Practice Lead

17 years of cloud architecture experience across AWS, Microsoft Azure, and Google Cloud. Former Principal Architect at a hyperscale cloud provider. AWS Certified Solutions Architect — Professional.

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Elena M. Volkov
Data & Analytics Practice Lead

15 years leading enterprise data platform programs, including large-scale data mesh implementations and AI/ML productionization. Former Head of Data Engineering at a leading US healthcare technology company.

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David L. Okafor
Digital Transformation Practice Lead

Formerly a VP of Digital Innovation at a global manufacturing conglomerate. 14 years designing and executing large-scale ERP modernization, process automation, and customer experience transformation programs.

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Sarah J. McAllister
Managed Services Operations Lead

13 years building and managing enterprise IT operations organizations. Prior Director of IT Operations at a 6,000-employee professional services firm. ITIL v4 Master, Certified Information Systems Manager (CISM).

Independent Perspective

Advisory Board

Enigma's advisory board consists of independent technology executives and academics who provide strategic guidance, industry perspective, and peer review of our published research.

Robert G. Chen

Former CIO, Federal Reserve Bank of Boston • Adjunct Professor, MIT Sloan School of Management

Specialties: financial services IT governance, central banking technology infrastructure, regulatory technology.

Margaret F. Winthrop

Former SVP Technology, Mass General Brigham • Healthcare IT Advisory Board Member, HIMSS

Specialties: healthcare interoperability, clinical informatics, EHR modernization, HIPAA compliance strategy.

Daniel T. Ashworth

Former VP Engineering, Akamai Technologies • Venture Advisor, General Catalyst

Specialties: network infrastructure, edge computing, CDN architecture, technology investment due diligence.

Join the Enigma Team

We are always looking for experienced enterprise IT practitioners who combine deep technical expertise with the ability to communicate complex ideas clearly to executive audiences.

Inquire About Open Roles