About | VIOOH

Lead. Transform. Change the conversation.

We're transforming programmatic DOOH advertising with a joined-up approach that boosts effectiveness and agility for media buyers and owners.

Our mission

OOH is powerful stuff. It creates impact. It's the public face of your campaigns. We’re leading the change so that it can work harder, be more agile and dial up responsiveness.

Transforming together

We work with media owners, media buyers and DSPs across multiple markets, globally, to deliver results for advertisers and media owners.

One team

Our people make it happen. While our ever-evolving platform delivers on leading the OOH conversation, Team VIOOH delivers the passion and the strategy to bring it all together.

Best Places to Work 2024

The Sunday Times has listed us in the top ten ‘Best Places to Work’ in the UK for 2024 and we have won in the ‘Best Places to Work for Women’ category too! Read more about the wins in our official press release.

Meet the leadership team

These wonderful faces belong to our leadership team. They'd love to chat with you about how you can create a greater impact and connect with your audiences.

GAVIN WILSON

Global Chief Customer and Revenue Officer

Bringing his cross-channel expertise to the table, Gavin previously held senior roles at dunnhumby running their UK & I division, CRO at Sociomantic labs and Commercial Director at AWin. An avid novelist, Gavin enjoys writing books for his children, and recently finished his second novel! If you can’t catch him writing his next book, you can find him indulging around the South West of England with his family.

Maxime Barbot

Chief Financial Officer

Having kicked off his Finance career in Paris and journeyed through Mexico, Hong Kong, and New York before moving to the UK, Maxime brings a wealth of cultural experiences and a passion for football. He loves sharing his adventures from attending three World Cups, but when he’s not speaking about football, you’ll find him teaching us how to salsa or spending time with his family!

HELEN MIALL

Chief Marketing Officer

Bringing a fresh and shiny perspective to the Marketing team, Helen joins us having held senior roles at O2, Microsoft and Turn. Committed to keeping a healthy mind and body, you’ll find her up and early getting her workouts in. Fun fact: Helen spent the first ten years of her life in South-East Asia, where she even appeared on Japanese TV, twice!

JON BLOCK

Chief Product Officer

With a ray of smiles and tech-wizardry, Jon brings a wealth of experience from the ad-tech industry, previously having spent time at Captify, Amobee, Videology, and ITV. Alongside being a father of three, in his spare time, you’ll find him playing jazz standards on his ukulele and piano. Perhaps we’ll get him booked in for the next Christmas party?

SIMON EDWARDS

Chief Technology Officer

A leader in the world of technology, Simon brings to VIOOH his experience from senior roles including at AOL and Captify. In his spare time, you will find Simon putting his expertise to use by trying to pick locks, tinkering with his smart-home, and spending a considerable amount of time teaching his daughter to build computers.

CALVIN CHAN

Chief Executive Officer (China)

With over 20 years of experience from senior roles at Nielsen, The Trade Desk and AdMaster, Calvin brings his innovative and widely respected expertise to VIOOH China.

You can often find Calvin delivering guest lectures at leading universities including Peking University and Fudan University, and if he’s not there, you’ll catch him kicking a ball around with his sons as he raves about his favourite football team, Manchester United.