Valentin Brustaux lives and works in Zürich, Switzerland. He studied typography at the University of Reading, United Kingdom, successfully earning a master’s degree in typeface design in 2007. Brustaux has worked for many type companies, including Adobe, Monotype, Tiro Typeworks, for various scripts and languages (Cyrillic, Greek, Kannada and Telugu). He received the Type Directors Club Certificate of Excellence in Type Design in 2008 and the Swiss Federal Design Award in 2010 for his typeface Tiina. In 2019, he received the Type Directors Club Certificate of Excellence in Type Design for his typeface Adobe Telugu. Brustaux collaborates with Optimo since 2012 both as licensing expert and type designer.

Type designer originally from Spain and Switzerland, Sandra Carrera lives and works in Geneva. She holds a BA in Visual Communication from the Haute école d’art et de design de Genève (HEAD), Geneva and obtained a master’s degree in art direction and type design at the École cantonale d’art de Lausanne (ECAL). For the summer of 2013, Carrera interned at Commercial Type in New York, after which she worked at Production Type in Paris. She occasionally teaches at HEAD. In 2015, she joined the Optimo team, where she has developed and coordinated many type design projects.

Amélie Gallay is a type designer living and working in Geneva, Switzerland. After a BA in Visual Communication at the Haute école d'art de design de Genève (HEAD), she obtained a master's degree in type design at the Ecole cantonale d'art de Lausanne (ECAL) where she was awarded the EXECAL award for her master's thesis on The History of Orientalism and Type Design. Her diploma project was granted the Jury Prize and the Type Design Gold Award from the NewOne Awards committee. In 2022, she joined Optimo as a type designer. Amélie works on the retail library and collaborates with the type designers on the development of their projects.

Following his studies at the École cantonale d’art de Lausanne (ECAL), Gilles Gavillet worked for Cornel Windlin in Zürich for a few years, before moving to Geneva, where he now lives and works. In 2001, he established his studio specializing in editorial and visual identity projects, predominantly working in the cultural sector and with international clients. Gavillet has been teaching at the ECAL since 2008. He has received many distinctions for his work including the prestigious Jan Tschichold Prize in 2006 for his outstanding achievement in book design and the Grand Award for Design in 2012. His work has been featured and exhibited around the world. From 2015 to 2021, he was the Head of the Jury of The Most Beautiful Swiss Books competition. In 1998, he co-founded Optimo and since then he has been directing the foundry’s operations.

Originally from Lucerne, Tanja Kern currently lives and works in Geneva, Switzerland. Kern did an apprenticeship in graphic design, following one year in law school. In 2007, after collaborating with a non-profit organization specialized in intellectual property, she joined the Optimo team as a library manager, a role in which she assists the type foundry on diverse administrative tasks.

Alizée Mabriez lives and works in Geneva, Switzerland. In 2021, she joined the Optimo team, for whom she monitors accounts and reviews financial reports.

Louise Paradis grew up in the Centre-du-Québec region in Canada and now lives and works in Montreal and Quebec city. She obtained a master’s degree in art direction from the École cantonale d’art de Lausanne (ECAL), and holds a bachelor’s of art degree in graphic design from the Université du Québec à Montréal (UQAM). Paradis worked for several years as a graphic designer in Los Angeles, predominantly in the fashion industry. She teaches at Laval University. Paradis is lead researcher, co-author, and co-designer of 30 Years of Swiss Typographic Discourse in the Typografische Monatsblätter, which was published by Lars Müller in 2013. A long-time collaborator of Optimo, she has managed licenses and communications from 2018 to 2021 and now edits the contents of the website.

Founded in 2014 in Berlin, Alphabet Type is a company specializing in font production and type technology.

GrayBits consults with clients on content architecture, business processes, and digital design. They create custom tools and user interfaces for organizational workflows. GrayBits developed the Optimo website and consulted on the internal licensing system and related front end and back end interfaces that handle the variety of purchase options Optimo offers.

Based in Italy, iKern is a company specializing in spacing and kerning founded and operated by engineer Igino Marini.

Gerry Leonidas is an Associate Professor of Typography at the University of Reading. He is also president of the Association Typographique Internationale (ATypI) and co-founder of the Institute for the Study of Typography & Visual Communication (ISTVC) and the Granshan Foundation.

Titus Nemeth is a type designer and historian. His practice revolves around Arabic and multilingual type design and typography. His publications include the monograph Arabic Type-Making in the Machine Age (Brill, 2017) and Arabic Typography: History and Practice (Niggli, 2023).

Based in Switzerland and in Japan, Office for Typography is the association of two brothers; Chi-Long and Chi-Binh Trieu. Together they work on graphic and type design projects. In collaboration with the Optimo team, Chi-Long designed the Optimo website.

Alexei Vanyashin is a typeface designer, educator, and researcher.