Carrol Plummer

The tech enthusiast

Carrol Plummer, the Tech Enthusiast (P.Eng, BSc Mechanical Engineering, MBA INSEAD), brings to the Phytl Signs team years of experience participating and investing in, as well as advising, small high technology businesses. She is a Mechanical Engineer with an MBA from INSEAD with substantial knowledge of product development, launching new products, marketing and manufacturing processes. She began her career with Proctor and Gamble. Phytl Signs takes up nearly all of her time but she is involved in other high growth businesses and encourages and supports other female entrepreneurs. She previously held senior management positions in the UK paper sector, including Managing Director of Donside Paper Mill and Commercial Director of UK Paper Group plc and worked as a business strategy consultant with Monitor Europe.


Nigel Wallbridge

The tech entrepreneutr

Dr Nigel Wallbridge, the Tech Entrepreneur (Ph.D, MIMechE, MBA INSEAD) is an internationally renowned serial entrepreneur with extensive experience founding and growing companies in both North America and Europe. A chartered engineer, he holds a doctoral degree in medical engineering from the University of Leeds in the UK and also an MBA from INSEAD, France. Apart from his current work at Vivent, he is also an Executive Director of Nomad Digital Ltd and is on the board of a number of other technology businesses. He previously held senior managerial positions in the telecommunications industry, including CEO of Interoute, and President of Cable& Wireless Americas. He also lectured in medical engineering at the University of Leeds.

Caleb Carroll

The tech genius

Caleb Carroll, the Tech Genius is an inventor and system architect with a broad range of experience in the radio frequency industry. His leadership and technical contributions have been key to the success of a number of start-up companies. In addition to his work on Phytl Signs, Caleb is currently providing intellectual property and network consulting services in both North America and Europe. Caleb is the author of 15 patents with more in progress.