We are a diverse and experienced team that is passionate about changing the way the world gets paid.

Darren Westlake

FOUNDER and advisor

Darren has been working in startups for 25 years and is currently CEO and founder of Crowdcube. Darren is advising billx on strategy and how not to make the mistakes he’s made when growing companies.

Fun fact: outside of work Darren is an avid cyclist and craft beer geek.

Michael Wilkinson

FOUNDER and chief growth officer

Michael is responsible for building synergies and architect growth at billx across marketing, commercial, product, and finance. He is driven by building, nurturing and motivating high performing teams.

Fun fact: He has set foot on six continents. Antarctica still evades him!

Pete Bailey

FOUNDER and chief product officer

Pete is responsible for the roadmap and overall product delivery maps. He is an ardent believer in the power of a well-designed product, and its capacity to change both personal and professional lives for the better.

Fun fact: he’s the author of a children’s book which will one day see a printing press…

Alex Bor


Alex brings over 10 years of building projects, software teams and scaling tech products. He has worked both in constituency and startups, for large and small companies.

Fun fact: Alex started coding at 13 and was nominated as one of the top 10 young web developers

Cath Macaulay

Head of product design

Cath is in charge of designing intuitive user experiences for the billx platform. In her 10 years of experience, she has contributed to the success of award-winning fintech platforms.

Fun fact: her favourite drink is a Cuba Libre and she can never say no to Vietnamese food.

Sara de Velasco

Head of marketing

Sara looks after all things marketing at billx. She brings 15 years of integrating marketing experience working with large and small businesses.

Fun fact: she took up running during the first lockdown with thousands other Couch to 5K enthusiasts.

Raquel Bartra

social and content manager

Raquel is a multimedia wiz with a flair for content creation. She looks after our social media and content strategies, bringing valuable resources in accessible formats.

Fun fact: she also enjoys creating content outside of work and she has written two feature screenplays

Work with us

Join us on our mission to help the world get paid.