Our Team

Executive Team


Jeferson Valadares
Co-Founder & CEO

Jeferson is Doppio's Chief Executive Officer and a co-founder of the studio. Having devoured stories and games very early on in his life, he is very excited to help write the next chapter in the history of entertainment.

He is a game development veteran and previously a leader at iconic studios such as BioWare, Playfish and Sumea, and he helped create and develop worlds from Mass Effect to Dragon Age and Harry Potter to the Simpsons.

He’s originally from Rio de Janeiro, Brazil.


Christopher Barnes
Co-Founder & CTO

Chris is Doppio's Chief Technology Officer and a co-founder of the studio.

Prior to Doppio, Chris worked on mobile games at BANDAI NAMCO and Electronic Arts, as well as on back-end platform services for EA's triple-A PC and console titles.

Chris holds a degree in Information Science from Cornell University. He's originally from Long Island, New York, USA.


Team Members


Gabriel Canavarro
Game Designer/Developer

Gabriel Canavarro is a Game Designer/Developer at Doppio.

He has studied Game Design at the University of Utah in the US and graduated from PUC-MG in Brazil.

Right now, Gabriel is finishing his Master’s Degree program in Game Design and Development at UBI in Portugal and is dedicated full-time to creating new games at Doppio. It doesn't get more nerd than that.


Eva Vital
Game Designer/Developer

Eva is a Game Designer/Developer at Doppio.

Ever since she was just a kid, she has enjoyed narrative-based and character-focused games, especially computer RPGs, and from that came her dream of creating games as a medium for storytelling and learning.

Eva is a Macau native, living in Portugal since she was 6 years old. She finished her Bachelor’s degree in Videogame Development in 2019 but, before that, she was also a professional track and field athlete and a freelance illustrator.


Jules Baculard
Product Manager

Jules is a Product Manager at Doppio.

Prior to Doppio, Jules worked at the Ubisoft Entrepreneurs Lab in Paris, connecting Ubisoft with startups to explore cutting edge technologies such as Natural Language Processing and blockchain. He also worked for Orange (formerly French Telecom) and Amazon.

Jules's strong interest for voice technology as well as his passion for story-focused video games drove him to apply at Doppio. He holds a masters in Management from HEC Paris and a Msc in Project Management from Ecole Polytechnique.


Teemu Kiiski
Production Coordinator Intern

Teemu is a Production Coordinator Intern at Doppio.

Teemu is an aspiring video game producer on the verge of graduation from the Kajaani University of Applied Sciences, where he is enrolled in Game Development Studies with Video Game Production as his major.

Teemu has been studying and working around the world in Hong Kong, Japan, and Singapore, and has recently joined the Doppio team in Lisbon, Portugal. He’s originally from Vantaa, Finland.

carolina rocha
marketing lead

Carolina is a Marketing Lead at Doppio

Before joining Doppio, Carolina’s path went through big companies such as the Santander Group and GlaxoSmithKline, as well as startups and digital-first companies like Farfetch and Miniclip.

An avid gamer, podcaster and narrative fan, it’s only natural that Carolina found a place at Doppio. When she’s not playing and streaming games, you can find her studying for her Executive MBA at ISEG Lisboa or playing frisbee with her dog.


Join the team

We’re hiring!

Interested in joining us to build new, world-class voice experiences? Drop us a line.