The Company Behind Human Performance Diagnostic

HQ is a performance intelligence firm that delivers structured human decision architecture for organizations and individuals. By combining cognitive diagnostics, behavioral analytics, simulation-based assessment, and risk modeling into one unified framework — the Human Performance Diagnostic — we help leaders make informed decisions about hiring, development, team alignment, and talent sustainability with measurable precision.

Leadership

Visionary leaders driving innovation in cognitive assessment.

Theodoros Antoniou

Theodoros Antoniou

Founder & CEO

Dimitris Pafras

Dimitris Pafras

Co-Founder & COO

Giorgos Soultos

Giorgos Soultos

Co-Founder, Lead IT & App Development, CTO

Stelios Toumpelis

Stelios Toumpelis

Co-Founder, CTO & Innovation Director

Katerina Filosofopoulou

Katerina Filosofopoulou

CMO

Operations & Design

The team that brings our vision to life through design and execution.

Maria Viso

Maria Viso

Graphic Designer

Odysseas Merkouris

Odysseas Merkouris

Operations Support & Project Management

Maria Roumelioti

Maria Roumelioti

Digital Presence & Implementation Coordinator

Dimitris Antoniou

Dimitris Antoniou

Project Management Support

Scientific Collaborators

External specialists contributing domain expertise to our assessment and research initiatives.

Dora Tsantou

Dora Tsantou

Corporate Partnerships & Communications Psychologist

Scientific Collaborator
Theano Vourti

Theano Vourti

Corporate Intake & Assessment Coordination Consultant

Scientific Collaborator

Strategic Advisors & Expert Network

HQ operates with a structured network of specialized external experts who contribute domain-specific knowledge within defined project frameworks.

This network includes professionals in

Assessment Science
Organizational & Behavioral Analysis
Technical & Skills Validation
Performance Simulation Design
Talent Risk & Sustainability Modeling
Sector-Specific Advisory (Corporate, Education, Public Systems)

All collaborations operate under HQ's methodological standards and governance protocols.

Human performance requires both structured intelligence and applied expertise.

HQ integrates leadership direction with specialized expert contribution to deliver measurable performance outcomes.