Tacis P. Gavoyannis

BusinessGreen staff
clock • 1 min read

Tacis  Gavoyannis has more than 30 years of marketing and international business development experience in telecoms, datacoms and Smart City sectors, having worked in a range of senior management roles for British Telecom International, Motorola, Cable & Wireless, Mercury Communications, RR Donnelley, De La Rue Systems Ltd, Callahan Broadband Wireless Inc, Orange PLC, TNS PLC,  Siemens PLC, and Smart City Partners Ltd.

Tacis' expertise covers all Smart City Challenges, fixed and mobile communications, cable, broadband, and Internet of Things. He has played key roles in winning and setting up the operations for both GSM and WiLL licenses. In addition, he has set up operational divisions in a number of European countries for mobile and wireless local loop start ups. He has been involved in the selection and negotiation of dealer networks and has experience with operators globally, helping many companies enter new markets and extend their product line.

Tacis has founded companies in leisure and high tech the latest being a software streaming application for connected TV  www.tvmobili.com

Engaged in strategic consultancy and business transformation within www.Siemens.com on Smart Communities and Smart Cities solutions in particular Community Energy, Electric Vehicles, micro grid solutions and Internet of Things.

He is a futurologist and researcher able to bring value to technology players worldwide. He has particular interests in Smart Cities, Telemedicine, IoT, New Energy and Smart Transport.

He is also a Fellow of the RSA and a mentor with Springboard Internet of things in Cambridge Springboard Accelerator.

More on Investment

Nest updates voting policy to address reversal on climate commitments

Nest updates voting policy to address reversal on climate commitments

Master trust says it will vote against board chairs who have 'materially' scaled back climate policy

Martin Richmond
clock 13 March 2026 • 2 min read
Climate finance still treats women as a risk - but the real risk is continuing to overlook them

Climate finance still treats women as a risk - but the real risk is continuing to overlook them

Too often women are framed primarily as those most vulnerable to climate risk rather than as builders of climate resilience, writes Project Dandelion co-founder Ronda Carnegie

Ronda Carnegie, Project Dandelion
clock 13 March 2026 • 5 min read
Inter IKEA Group backs biomaterials innovator Seprify

Inter IKEA Group backs biomaterials innovator Seprify

Swiss start-up completes €13.4m funding round to support plans to replace titanium dioxide with bio-based and planet friendly alternative

clock 12 March 2026 • 2 min read