Leadership team


Meet our experienced and devoted team

We're striving to become the European leader in dentistry, thanks to an innovative model based on strong local platforms. We want to provide modern, quality dentistry services for the benefit of patients, dentists, employees and shareholders, striving for continuous growth and excellence.

Our leadership

Mike Clare

Chief Executive Officer

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Claude Streit

Chief Financial Officer

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Tracy Allan

Operations & Commercial Director

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Mike Clare photo

Mike Clare

Chief Executive Officer

Mike Clare joined in 2019.

Prior to joining Colosseum, Mike worked at Oasis Dental UK as Head of Operations South where he also had overall responsibility for integration and new business development of all M&A activities. He was also responsible for Central Operations and the UK Orthodontic business.

Mike was instrumental in the sale of Oasis Dental UK to Bupa, subsequently becoming COO for Bupa Dental UK, where he led the integration of the Bupa dental business into the Oasis Operating model, as well as a significant re-structure of the whole organisation.

Prior to the dental industry, Mike enjoyed a longstanding and rewarding career with Tesco Stores Ltd, where he developed his career as a Store Manager, rising quickly to lead a number of Flagship Hypermarkets. Mike also enjoyed a variety of other senior roles in Commercial, Property and finally Director of Pharmacy and Opticians UK. 

In his spare time Mike can be found busy in his wellies in the Kent countryside where he spends time renovating, restoring and expanding an historical Oast house he calls home. He enjoys life with his wife, Julie, and their four children, Betheney, Hollie, Elliemay and Noah.
Claude  Streit photo

Claude Streit

Chief Financial Officer

Claude Streit joined in 2019.

Claude previously spent 7 years in senior finance leadership roles at Hirslanden - the leading private acute care hospital group in Switzerland. Hirslanden is part of Mediclinic International, an international private healthcare services group listed on the London Stock Exchange (“LSE”).

During his tenure as Head of Group Controlling and Business Unit Financial Management and Member of the Operations Committee he lead the organisational transformation from a group of independent hospitals to a highly integrated hospital group. He was instrumental in building out the new financial setup of Hirslanden including a new Enterprise Resource Planning system that provides a highly integrated value flows across functions. Furthermore, he established a reputation for aligning financial and business metrics to support business strategy and high-growth.

Claude started his career in consulting. He earned a Master’s degree in Business Administration from the University of St. Gallen, majoring in Finance, Accounting and Reporting. Outside work, Claude loves to travel, spend time outdoors and enjoys running and skiing.
Tracy Allan photo

Tracy Allan

Operations & Commercial Director

Tracy Allan joined in 2019.

Prior to joining Colosseum, Tracy worked for Bupa Dentalcare as Regional Operations Director, responsible for the Platinum portfolio as well as Orthodontics and an implant business. Tracy started her career with Sainsburys supermarkets plc and held various roles over her 19 year career including store manager, zone safety manager and finally, regional operations manager.  

Tracy holds an honours degree from St Marys College in History and Religious Studies as well as a Nebosh Diploma. Tracy enjoys reading, retail therapy and spending time with her children, Ryan and Ava, and her pet pooch Dolly.