Ariella sitting on a couch and smiling
Ariella sitting on a couch and smiling
Ariella sitting on a couch and smiling

Hi! I’m Ariella St. Rose

Hi! I’m Ariella St. Rose

I'm a product designer who specializes in complex, multi-stakeholder systems. I've designed platforms for Olympic-scale operations, membership experiences for 600K+ users, and learning products serving 40,000+ annual learners.


Currently at TKO, leading design for interconnected hospitality platforms that serve corporate partners and operational teams for Milan 2026 and LA 2028.

Good design makes complexity disappear.

Good design makes complexity disappear.

I balance systems thinking with craft—designing products that feel clear, usable, and purposeful even when the underlying logic is complicated.

My Design Principles

My Design Principles

Clarity Through Complexity

I specialize in untangling systems with multiple moving parts and intricate constraints. I map how everything connects, then design interfaces that hide complexity while revealing what matters. My north star is clarity.

Systems Thinking at Scale

I consider the full ecosystem—user needs, data models, technical feasibility, and business constraints. I design for edge cases early and build foundations that scale across products and teams as requirements evolve.

Craft in Service of Clarity

Complex systems require intentional craft. I focus on hierarchy, interaction states, microcopy, and visual rhythm—details that guide users without adding noise. Every design choice serves clarity.

Featured Case Studies

Featured Case Studies

Screenshot of hospitality request portal homepage

TKO | Senior Product Designer | Operational Tools

Olympic Hospitality Platform

Building the Guest Management Platform for the Olympic Games

Built the operational backbone for Milan 2026—a 0-to-1 platform that replaced fragmented spreadsheets with a unified system for managing thousands of guests and complex assignment workflows.

Screenshot of hospitality request portal homepage

TKO | Senior Product Designer | E-commerce | B2B SaaS

Olympic Hospitality Platform

Redesigning the Hospitality Request Portal for the Olympic Games

Redesigned TKO's B2B e-commerce portal for corporate hospitality packages—achieving 14.7% conversion and establishing design patterns used across the product ecosystem.

Screenshot of ISC2 homepage
Screenshot of ISC2 homepage
Screenshot of ISC2 homepage

ISC2 | UX/UI Designer | Membership Platform | Consumer Web

Redesigning ISC2’s Website for Clarity, Scale, and Growth

Led a complete redesign to reposition ISC2 as a holistic career platform—coordinating 30+ global stakeholders to deliver 47% membership growth.

Screenshot of a learning module in an online course
Screenshot of a learning module in an online course
Screenshot of a learning module in an online course

University of Miami | UX Designer | Learning Experience | EdTech

Designing a Smarter Start to Online Learning

Created a faculty onboarding course that transformed teaching quality—achieving 33% higher completions and 68% fewer student complaints.