Architect the Model.

Optimize the Work.

Scale the System.

ARCHITECT OS™ helps finance, shared services, and operations leaders turn fragmented processes into clear, measurable, scalable operating models.

Built from real transformation work across finance shared services, systems, governance, reporting, AP, AR, spend management, payroll, and operational process improvement.

The framework is simple:

  1. Architect the structure.

  2. Optimize the process.

  3. Scale what works.

The result is stronger visibility, clearer ownership, tighter controls, better execution, and operating models that can grow without relying on heroics.

Our Founder

Katie Trzeciak is founder of ARCHITECT OS™
Katie Trzeciak is founder of ARCHITECT OS™

Katie is the founder of ARCHITECT OS™, a practical operating framework built for leaders who need to bring structure, clarity, and scale to complex work.

Her background sits at the intersection of finance shared services, finance operations, systems, process governance, and cross-functional execution.

Katie leads with an operator’s mindset: clarify the current state, design the right operating model, tighten the process, and build the cadence, reporting, and accountability needed to make improvement stick.

She is at her best in environments where growth has created complexity and the business needs stronger visibility, cleaner workflows, and more scalable standards.

Her experience spans accounts payable, accounts receivable, billing, expenses, payroll accounting, compliance, reporting, and finance systems. Across those areas, she focuses on connecting the dots between people, process, systems, and leadership decision-making.

Outside of work, Katie is deeply invested in fitness, strength training, and personal growth. That same discipline shows up in how she leads: direct, structured, resilient, and built around continuous improvement.

Core belief: scalable growth does not happen by accident. It requires architecture.

Hi, I’m Katie.

Connect with me on LinkedIn!

Begin Your Transformation

Submit the inquiry form to discuss your objectives and determine how the ARCHITECT OS™ can advance your strategic priorities.