Team | SquareX

Our team has a diverse range of backgrounds, ranging from economists, techies, digital transformation specialists and industry experts.

Despite the diversity of lenses through which we solve problems, we are united in our mission. We build technology for purpose that democratises the access to technology for a better future for all.

Our Team

CEO & Co-Founder

Caleb Holstein

Caleb has a strong track record and deep understanding of the specialty coffee industry and is a seasoned entrepreneur.

Caleb oversees the whole team and greensquare stakeholder relationships.

Email Caleb

Caleb on LinkedIn

COO & Co-Founder

Jan-Hendrik Thieme

Jan has an extensive background in digital transformation and project management.

Jan coordinates development teams and plans the execution of future SquareX features.

Email Jan

Jan on LinkedIn

CIO & Co-Founder

Marius Naumann

Marius is an experienced full-stack developer and team lead with 15 years' worth of experience.

Marius is the brain behind the SquareX core technology.

Email Marius

Marius on LinkedIn

Chairman

Saxon Wright

Saxon is Chairman and Founder of Pablo & Rusty's Coffee Roasters and CEO, Chair & Co-Founder at Huskee.

Saxon has supported the team with valuable advice and guidance from the early days.

Leave a message for Saxon

Saxon on LinkedIn

Strategic Advisor

Stephen Bannister

Stephen has an extensive experience in commodity trade, with a particular focus on green coffee.

Through his extensive experience, Stephen enriches the team's understanding of commodity trade.

Leave a message for Stephen

Stephen on LinkedIn