Piotr Gregorczyk

Strategic Technology Executive with 15+ years of experience in CTO and CIO roles and a foundational decade at Accenture.

A recent Executive MBA graduate and adept at driving substantial business value through technology modernization.


If you're curious to dive deeper into my world:

Work experience

Strategic Advisory & Interim Leadership
Independent Consultant / Project-Based Executive
Jul 2025 - present

  • Orchestrated a comprehensive IT transformation for a major asset management firm, modernizing core systems and processes to enhance operational efficiency and scalability.
  • Led a critical post-incident security review for a prominent technology services provider, conducting a multi-faceted analysis across technical, organizational, procedural, and governance domains to fortify future resilience.
  • Pioneered a rapid, data-driven product strategy overhaul for a large media enterprise, pivoting from a protracted 1.5-year development roadmap to an agile, results-focused approach delivering tangible value within accelerated timelines.

Head of IT & CTO
Link4, Insurance Carrier
Apr 2022 - May 2025

  • Directed a 120-person IT organization, holding full accountability for technology strategy, execution, and operations to transform the IT division into a reliable and strategic business partner.
  • Pioneered the adoption of AI/ML capabilities, establishing governance frameworks, and building engineering workflows to enable data-driven decision-making and enhance product offerings.
  • Led a cultural shift from closed to open, ensuring SDLC and project management methodologies were fit for purpose, navigating from Scrum-only to tailored project structures, achieving significant project speed and delivering projects on time and on budget.
  • Reduced critical technology debt by 30% by migrating legacy systems to a modern microservices architecture on Azure Kubernetes Service (AKS) and cloud-native services.
  • Cut operational expenses (OPEX) by 5% through technology consolidation and renegotiated vendor contracts.
  • Fostered a world-class engineering culture, boosting employee Net Promoter Score (eNPS) to the highest in the IT division and increasing collaboration tenfold.
  • Strengthened the organization's security posture by implementing advanced Privileged Access Management (PAM) and automated key rotation policies.
  • Introduced Azure DevOps, enabling 'one-click' developer environments and eliminating pre-production instability for new microservices, enhancing CI/CD capabilities.
  • Spearheaded client microservice development, deduplicating the client base by 80% and simplifying client entity usage across teams.

Interim & Project-Based Leadership RolesTechnology Manager
Accenture, Technology Consulting
Jan 2019 - Dec 2021

During this period, I undertook a series of high-impact, short-term executive and advisory engagements, focusing on critical transformations, turnarounds, and strategic initiatives across diverse organizations.

Accenture, Technology Consulting
Technology Senior Manager (March 2021 - March 2022)

  • Led a complex Google Cloud Platform (GCP) migration for a major bank, delivering the first production microservice on Google Kubernetes Engine (GKE), which served as an enterprise template.
  • Delivered 90% performance improvement and 99.9% availability for a critical banking system by re-architecting it into a resilient microservices solution.
  • Introduced 'one-click' developer environments, eliminating pre-production instability and empowering junior engineers to accelerate development cycles.

Domiporta.pl, Real Estate Platform
Interim Managing Director & CTO (August 2020 – January 2021)

  • Orchestrated a complete business and technology turnaround, executing a rapid IT transformation and AWS migration that achieved 50% cost savings in three months. Successfully delivered on a defined turnaround mandate.

KPMG, Business and Technology Consulting
Technology & Operations Lead, Financial Services (March 2020 – December 2020)

  • Developed and launched the go-to-market strategy for new technology advisory offerings, delivering cloud readiness assessments and marketing automation solutions. Focused on establishing new business lines and strategic partnerships within a dynamic consulting environment.

Sygnity, Software House
Managing Director (May 2019 – February 2020)

  • Led a critical Agile transformation and implemented data-driven KPIs and executive dashboards to improve project execution within a challenging turnaround environment. Successfully completed initial mandate amidst significant organizational shifts.

Technology Manager
Accenture, Technology Consulting
Jul 2008 - May 2019

  • Built an 11-year career, progressing from Analyst to Manager and leading large-scale technology projects for major banks.
  • Led the development and launch of an award-winning mobile banking application, recognized by Finnovate and Forrester, demonstrating expertise in innovative product delivery.
  • Scaled a high-performing mobile development team from 5 to 50+ engineers, fostering a culture of knowledge sharing and innovation.
  • Drove over 50% growth in high-margin mobile credit volume by implementing a real-time marketing engine.
  • Improved mobile app score from 3.2 to 4.6 by integrating the Crashlytics platform.

Education

School Education

Executive MBA
Kozminski University
2023 - 2024

MSc | Computer Science
Warsaw University of Technology
2002 - 2008

MA | Management & E-business
University of Warsaw
2008 - 2010

Certifications

Generative AI Leader Certification
Google
2025

Certified SAFe® 4 Program Consultant
Scaled Agile, Inc.
2018

Skills

Technology & Leadership

  • Technology Strategy
  • IT Governance
  • Cloud Transformation
  • Change Management
  • AI & Data Strategy and execution
  • Management
  • Vendor Management
  • Team Building
  • People Development
  • User Experience (UX) Principles

Methodologies & Frameworks

  • Agile
  • SCRUM
  • SAFe
  • PMBOK
  • DevOps
  • Cobit
  • ITIL
  • RAG
  • xAI

System Design

  • Microservices
  • Event-Driven
  • Hexagonal
  • DDD
  • Strangler Fig
  • Clean Code
  • SOLID
  • Data Intensive applications
  • Data Warehouse
  • Data Lake
  • Lakehouse

Platform Engineering

  • Prometheus
  • Grafana
  • ELK
  • GitHub
  • Gitlab
  • Jenkins
  • Azure Devops
  • Terraform
  • Pulumi
  • MS Purview
  • MS Defender
  • Cyberark
  • Huggingface

Cloud & Orchestration

  • Azure
  • GCP
  • AWS
  • OCI
  • Kubernetes
  • Docker

Languages & Frameworks

  • C#
  • Kotlin
  • Python
  • Java
  • Node.js
  • Spring Boot
  • TypeScript
  • LangChain
  • n8n
  • Temporal

Networking & OS

  • WAF
  • Firewall
  • Cisco
  • DNS
  • Nginx
  • VMWare
  • RHEL
  • Debian

Data

  • PostgreSQL
  • MSSQL
  • Oracle
  • MongoDB
  • Redis
  • BigQuery
  • Kafka
  • RabbitMQ