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Blazej Mrozinski

Professional Summary

Psychologist, psychometrician, product leader, and data scientist specializing in assessment systems, matching logic, quantitative methodology, and translating behavioral science into deployable products. Twenty years across academic research and co-founding companies that put psychometric science into production. Work spans U.S., UK, Polish, and broader international contexts, in both theory-heavy and execution-heavy environments.

Impact Highlights

  • Screened 250+ candidates for LSEG, reducing manual review time by 60%
  • Assessed 1000+ individuals across four pilot talent development programs at EPAM
  • Grew Gyfted to 1.2M annual organic users through programmatic SEO
  • Directed the Experimental Psychology Laboratory at SWPS University for 14 years
  • Named co-inventor on a USPTO patent-pending AI psychometric matching system
  • 15 peer-reviewed journal articles and 7 book chapters in leading psychology journals

Current Positions

Co-founder, Chief of Product & PsychometricsGyfted / Human Exponent (2021–present) AI-powered psychometric platform for recruitment and talent development. Designs assessment instruments (CTT, IRT), scoring and feedback logic, competency models for enterprise clients, and the matching architecture connecting validated measurement with ML-driven ranking and recommendation. Builds custom assessment systems for organizations including EPAM and gr8.tech. Owns full product lifecycle. Venture-funded C-corp.

Co-founder, Chief of Product & PsychometricsNerds.family (2025–present) Academy 360 — a full-cycle workforce development model that simultaneously develops participants through structured practice, generates observable evidence of capability, and gives employers access to a credible talent pipeline. Designs assessment logic, progression systems, and the measurement layer that bridges learner development with employer decision-making.

Co-ownerDigital Savages LLC / SEO Savages (2023–present) Programmatic SEO, AI/LLM visibility optimization, product-led growth systems, and content automation for complex domains including legal tech, psychometrics, AI health, and AdTech. Builds scalable organic acquisition architecture.

Adjunct, Dept. of Psychological Research MethodologySWPS University (2006–present) Teaching: advanced research methods, psychometrics, data analysis, R programming, experimental design. Research project supervision.

Director, Experimental Psychology Laboratory — SWPS University (2010–2024) Supported experimental research across the department, maintained methodological standards, guided students and researchers from study design through analysis.

Selected Applied Projects

EPAM — Custom Assessment & Talent Development (via Gyfted) Designed custom assessment instruments aligned to EPAM’s internal competency framework and L&D use cases. Supported four pilot talent development programs involving 1000+ participants. Bespoke psychometric design connected to practical organizational decisions.

gr8.tech — Values Assessment Architecture (via Gyfted) Translated client-defined organizational values into a psychometric system using forced-choice, ranking, and situational judgment formats with structured feedback logic. Custom instrument design from construct definition through deployment.

LSEG (London Stock Exchange Group) — Candidate Screening (via Gyfted) Psychometric screening of 250+ candidates with automated matching, reducing manual review time by 60%.

HSE Ireland — Career Interest Instrument (via Gyfted) Designed a public-sector career interest assessment for Irish school leavers: 9-cluster career model, IRT/CTT validation, scoring architecture, and classification logic mapping results to healthcare career families.

Relativity — Relevate Workforce Development (via Nerds.family) Powered the Ascent Academies phase of Relativity’s Relevate program — structured, globally accessible academies across Engineering, Product Management, and Customer Success tracks with mentor-supported sprint-based progression.

Prawomat — Legal Tech Growth System (via Digital Savages) 1,200+ programmatic landing pages, product-integrated SEO, and structured content architecture for a legal document platform. Product-led growth in a procedurally complex domain.

Patents & IP

USPTO Patent Pending — AI matching system built on a psychometrics-based competencies graph combining validated psychological frameworks (Big Five, Schwartz Values, Emotional Intelligence) with O*NET occupational data and large language models. One of five named co-inventors. Result of 2.5 years of R&D at Gyfted / Human Exponent.

Education

PhD in Psychology (Cognitive Science) — SWPS University, Warsaw Dissertation: “Cognitive accessibility of observable and unobservable properties in thinking about self and others”

Postgraduate — Advanced Statistical Methods — London School of Economics, 2018 Multilevel modeling, latent class analysis, structural equation modeling

Postgraduate — User Experience Design — SWPS University, 2014

MSc Psychology — SWPS University, 2001–2006 Specialization: Social Cognitive Psychology. Advisor: dr hab. Jerzy Karylowski

Previous Experience

Psychometrics Consultant — esportsLABgg (2023) Designed computerized adaptive tests (CAT) and IRT models for assessing personality and cognitive abilities of esports players.

Research & Statistical Analysis Consultant — Good Sleeper (2020–2021) Designed and conducted validation studies for an insomnia treatment protocol.

Workshop Trainer — move.mi (2017–2023) Led workshops on data presentation, visualization, data storytelling, team-building based on personality profiles, and competency assessment in organizations.

Quantitative Methods Lecturer — University of Warsaw, Faculty of Management (2017) Advanced statistical methods and quantitative analysis.

Analyst — University College London (2018–2019) Project: “Homophobia and collective narcissism in contemporary Poland”

Data Analysis Consultant — ARC Rynek i Opinia (2006–2014) Quantitative data analysis, structural equation models, reporting for corporate clients.

Research Grants

Product & Psychometrics Lead — NCBR R&D Project, Gyfted / Human Exponent (2020–2023) “Development and operational validation of an AI and psychometrics platform for recruitment automation.” Led the psychometric component: test battery design, instrument validation, AI-psychometric integration.

Expert Analyst & Laboratory Director — NCN Maestro 2017/26/A/HS6/00647 (2018–2020) “The role of mindful gratitude practice in reducing intergroup aggression among group narcissists.” Managed the research laboratory and data collection, advanced statistical analyses (SEM, multilevel modeling).

Research Collaborator — NCN OPUS UMO-2016/21/B/HS6/03236 (2017–2019) “The idiosyncratic nature of self-representations and the use of self as a reference frame in social judgments.” Experimental procedure design and data analysis.

Key Competencies

Methods & Tools

  • Psychometric test design and validation (CTT, IRT, CAT)
  • Structural equation modeling (SEM), multilevel modeling (HLM/MLM), latent class analysis (LCA)
  • Experimental design, survey design, assessment validation
  • R, Python, SPSS, Qualtrics

Product & Assessment Systems

  • Assessment batteries, competency models, scoring and feedback logic
  • Matching systems, adaptive progression, AI-assisted decision layers
  • Product specification, validation criteria, construct validity
  • Product management and strategy

Domains

Hiring and talent assessment · workforce development · public-sector career guidance · legal tech · AI health · programmatic growth systems · matching platforms

Languages

  • Polish (native)
  • English (C2)
  • Italian (B1)

Selected Clients & Partners

LSEG · EPAM · gr8.tech · Relativity · HSE Ireland · University College London · esportsLABgg

Publications

Journal articles (15) — Research themes: cognitive accessibility, self-concept, social judgment, intergroup behavior, moral emotions, methodological rigor in behavioral research.

Selected journals: Journal of Personality and Social Psychology, Self and Identity, PLoS ONE, Aggressive Behavior, Frontiers in Psychology, Personality and Individual Differences, Memory, among others.

Book chapters (7) — Topics include pandemic stress responses, self-representation in social judgment, and repeated-measures methodology.

See the Publications page for the full list.