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

Energy efficiency fund SDCL set for wind-down after investors demand return of capital

Energy efficiency fund SDCL set for wind-down after investors demand return of capital

SDCL Efficiency (SEIT) said 'increasingly challenging' landscape meant it could 'no longer deliver returns that are acceptable to shareholders in its current structure'

Linus Uhlig, Investment Week
clock 10 April 2026 • 2 min read
Unilever strikes deal to acquire plant-based supplement maker Grüns

Unilever strikes deal to acquire plant-based supplement maker Grüns

Consumer goods giant to add one of the the largest 'greens' brands in the US to its portfolio as part of strategy to seek out 'premium and high growth' markets

Stuart Stone
clock 10 April 2026 • 2 min read
Pension fund LAPFF backs BP shareholder resolution amid climate risk concerns

Pension fund LAPFF backs BP shareholder resolution amid climate risk concerns

Local Authority Pension Fund Forum representing combined assets of £425bn also calls on members to vote against BP's chair amid 'serious governance concerns'

Jonathan Stapleton
clock 10 April 2026 • 3 min read