Cambridge Cognition, which provides cognitive assessment software for clinical trials, academic research and healthcare, has appointed Jonathan Kempster as an independent non-executive director.
TechnologyDD Group: Sam Tyrer

Witham, Essex-based DD Group, an integrated dental and medical aesthetics distribution and service platform in the UK and Ireland, has appointed Sam Tyrer as chief executive, replacing Paul Adams.
Sam Tyrer joined DD Group in April 2018 from Co-op Funeral Services where she was chief executive. She has also been chief executive of American Golf and the UK managing director of Countrywide.
Adams said: “DD Group is a company with strong foundations, and I believe its next phase of growth will be one of great success. It has been a real pleasure for me personally to be part of the development of DD Group and I am proud of the company’s growth to date. I am delighted to welcome Sam Tyrer, who brings a depth of customer and digital expertise from her background in the retail, property, financial services, and funeral services where she has a strong track record of delivering profitable growth. I believe this will be a positive step forward for the group and I wish Sam and the rest of the company every success in the future.”
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