Technology executive partner for future-ready organizations.

Helping leaders adopt technology and AI with clear decisions and measurable results.

CIO / CTO Advisory

IT Operations & Delivery Excellence

Decision & Governance Frameworks

Our Story

Perius takes its name from the butterfly — a symbol of transformation and renewal.


With 25+ years of leadership in large, regulated financial institutions, I now partner with executives to deliver enterprise-scale technology and digital transformations end-to-end—from strategy and governance through execution to measurable business outcomes.

Through Perius, I serve as a trusted executive partner helping organizations adopt technology and AI with fit-for-purpose operating models, accountable decision-making, and performance frameworks—making progress measurable and sustainable.

Yeşim Çalıdağ
Founder, Perius Technology
Founder Portrait

Services

Executive advisory that makes technology measurable and governable.

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CIO / CTO Advisory on IT Operating Models and Governance

Executive-level advisory to shape operating models, governance, and decision rights that make IT measurable, controllable, and aligned with business outcomes.

  • Operating model and governance design
  • Ownership, decision rights, control mechanisms
  • Executive stakeholder alignment and decision cadence
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Design, Completion, and Maturation of IT Organizational Structures

Design and mature IT organizations that are scalable, accountable, and execution-ready—beyond org charts and role definitions.

  • Org design and role clarity
  • Structure completion and maturity roadmap
  • Alignment between organization, processes, and delivery
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Executive-Level Assessment of ITSM and SDLC Processes

Executive assessment of ITSM and SDLC to identify gaps, reduce delivery friction, and establish standards that improve reliability and speed.

  • ITSM and SDLC maturity assessment
  • Governance and compliance readiness
  • Prioritized improvement roadmap
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Performance, KPI, and Decision-Making Frameworks

Define performance and KPI architecture that improves transparency, accountability, and decision quality across IT and delivery.

  • KPI architecture and reporting
  • Decision frameworks and governance routines
  • Audit readiness and management visibility
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Continuous Improvement and Periodic IT Health Checks

Ongoing IT health checks and continuous improvement governance to keep operations stable, measurable, and constantly improving.

  • Periodic health checks and gap closure
  • Continuous improvement backlog and follow-up
  • Governance cadence and tracking
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AI-Enabled Optimization and Automation Advisory

Controlled adoption of automation and AI with governance and value tracking—focused on measurable outcomes, not experimentation without control.

  • AI-enabled optimization opportunities
  • Automation advisory (controlled rollout)
  • Value tracking and change enablement

Our Approach

We work as an executive partner to help organizations adopt technology and AI with governance, control, and measurable results.

We start by clarifying ownership, decision rights, and success metrics—then design an operating model and governance cadence that makes progress visible and manageable.​ We translate priorities into a practical roadmap and stay involved through execution: reviewing KPIs, closing gaps, building a continuous improvement backlog, and ensuring adoption is controlled—not ad-hoc.

The goal is always the same: sustainable outcomes, not presentations and slideware.

For executive conversations on technology strategy, governance, operating models, and AI adoption:

Let's Talk