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Stefan Hohmann

The founder and CEO of GEM

Following a director-level career in ad agencies, Stefan became inspired by new technology enabled media owner innovation.

Starting with truckside advertising and devising a robust audience reporting methodology, adopted by outdoor industry body POSTAR; then pioneering in location based mobile phone advertising via Bluetooth with ABCelectronic accredited audience measurement; WiFi enabled proximity mobile media in UK cinemas, sports stadia, pubs, GP surgeries and even London Buses.

Seeing patented new LED innovations from Shenzhen inspired the formation of GEM Display and its vision for epic format digital advertising displays, as well as retail merchandising breakthroughs. And now fusing additional technologies to improve the host environment by abating ambient air pollution.

Outside GEM, Stefan is an avid photographer, guitar player and dogged dads footballer, knees willing…

Shoaib Shariff

Operations Director


Shoaib brings a wealth of experience to GEM’s portfolio development and management.

In the 2000s Shoaib was a founding director of BigFX, pioneers in supersize format banner advertising, overcoming numerous challenges from production logistics to host building sign-up and management, local authority planning and media agency buy-in. Innovating into ScreenFX digital displays, Shoaib led the march into the UK’s largest shopping centres including CSC, Trafford Centre and Westfield, creating a novel new digital advertising network proposition.

Hard won wisdom and know-how perfectly suited to establishing GEM’s reimagined Digital-Out-Of-Home proposition.

Outside of GEM, Shoaib is a rabid Man Utd fan and lido swimmer.

Dave Watson

Sales Director


Dave joined GEM Display during the launch of their first premium digital site at St Stephens Shopping Centre, Hull.

He has over 20 years experience in media with vast knowledge of the out of home market both regionally and nationally. When only six months into the industry, he was promoted to Area Manager for the Granada region and eventually, Head of Trading in the regions for the largest media specialist/agency worldwide.

Dave’s passion outside of work is music and walking his amazing bright blue eyed Border Collie ‘Sky’.

Dave looks forward to discussing audience delivery and

media trading rates for GEM's site portfolio.

Shoaib and Stefan await your contact regarding new location partner prospects, realising the full revenue potential of your sites, and joining forces to help tackle air pollution.

And also retail merchandising enquiries for purchase of GEM's

fully managed eyeball-grabbing LED display solutions.


Your store front is your very own high impact display...

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