Welcome to my portfolio 
I'm Guilherme Theodoro (Gui/Gee),
Welcome to my portfolio
I'm Guilherme (Gui),
and I'm simply passionate
about design.
and I'm simply passionate about design.
Over 18+ years of experience across Product Design disciplines. Hands-on, leading, consulting and crafting documents throughout the entire development process - from Discovery to Delivery.
Designer with 17+ years of experience across Product Design disciplines, leading teams, hands-on, consulting and crafting documents throughout the entire development process - from Discovery to Delivery.
Certified and experienced in Product Design, Design System Manegement, Product Management, Design Thinking, collaborate with ambitious companies to create digital experiences used by millions everyday.
Certified and experienced in Product Design, Design System Manegement, Product Management, Design Thinking, collaborating with ambitious companies to create digital experiences used by millions everyday.
Some of my recent works
See some of my recent work below
See some of my most recent work below
The purpose of the cases below is to provide a clear explanation of the project's rationale, not to divulge any confidential information. Therefore, to protect privacy and maintain confidentiality, some data may be replaced with fictitious names or removed altogether. Good reading 
The purpose of the cases below is to provide a clear explanation of the project's rationale, not to divulge any confidential information. Therefore, to protect privacy and maintain confidentiality, some data may be replaced with fictitious names or removed altogether. Good reading
The purpose of the cases below is to provide a clear explanation of the project's rationale, not to divulge any confidential information. Therefore, to protect privacy and maintain confidentiality, some data may be replaced with fictitious names or removed altogether. Good reading
The purpose of the cases below is to provide a clear explanation of the design rationale, not to divulge any confidential information. Therefore, to protect privacy and maintain confidentiality, some data may be replaced with fictitious names or removed completely. Enjoy the read.
McKinsey & Company
Top 3 World’s Consulting
A simple and effective feedback tool to streamline employee Reviews
Globalfy
Top 3 World’s Consulting
[PDF] International financial transfer system for microentrepreneurs
StreamLayer
StreamLayer
Managing a design team on gamification and retention system for streaming platforms
Managing a design team on gamification and retention system for streaming platforms
Natura & Co
Natura & Co
All those brand's global selling platforms simplified to a unique App
Ambev
Ambev
Exploring how to implement a Supply Chain Management tool for small Bars
Google LLC
Introducing a new company's financial product in Brazil
Introducing a new company's financial product in Brazil
UBS Group AG
UBS Group AG
A user-friendly and real-time data application for Stock Market operations
A user-friendly and real-time data application for Stock Market operations
Other relevant cases
Other relevant work
Diet & Health
Diet & Health
Helping to our children growing happier and healthier
Dimension Fall
Mapping an engaging and profitable monetization System for a casual game
Sniper Assasin
Making it easier to play: fluid usability and streamlining complex navigations
Art Direction
We came out of the art direction but it doesn't come out of us