Senior Team

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Nicholas duo2
Nicholas Cowell

Founding Director


With over 40 years’ experience, Nicholas is driven by a passion for property and an ambition to develop Cowell Group’s success as one of the UK’s best independent property companies. He co-ordinates all aspects of Cowell Group’s activities – from liaison with investors and development partners to management of the Group’s broad portfolio. Nicholas enjoys a reputation not only as a renowned deal maker, but also as someone who applies old-fashioned experience and values to find sustainable investment opportunities.


Adrian duo2
Adrian Levy

Founding Director


Adrian literally lives and breathes property. With decades of experience and a logical, focussed approach, Adrian loves his work and is determined to build on Cowell Group’s reputation as a responsible, well-funded and opportunity-led property company. Together with Nicholas Cowell, Adrian is responsible for co-ordinating all aspects of Cowell Group’s activities, and is cherished by the younger members of the team who continue to learn and benefit from his property experience, knowledge and passion.


Joanna duo2
Joanna Deroukakis

Legal Counsel and Office Manager


Joanna qualified as a solicitor in 2006, and has worked for much of that time at Cowell Group where she is responsible for managing the company’s legal affairs. As well as applying her own experience and knowledge, Joanna co-ordinates a network of external solicitors and other consultants to provide a highly efficient and streamlined service. As office manager she also has oversight of all Cowell Group’s HR activities and regulatory responsibilities.


Sven duo2
Sven Weinast

Property Director


Sven is responsible for the day-to-day management of Cowell Group’s portfolio, and applies solid strategic expertise to acquisitions as part of the leadership team. Since joining Cowell Group in 2013, has used his skills and a background in the property industry to broaden Cowell Group’s portfolio, and to establish a stable foundation of satisfied, long-term tenants. Sven also leads on new development, and enjoys breathing new life into properties to enhance the group’s impressive portfolio.


Charlie duo2
Charlie Hunter

Acquisitions Director


As a former stockbroker and polar guide, Charlie’s route into property was unusual. Nevertheless, he has enjoyed over 10 years at Cowell Group where he is now a Partner, he is responsible for identifying acquisition opportunities, unfazed by asset management, and enjoys working with colleagues and partners to resolve the tricky issues that inevitably arise. While he is always alert to the next property deal, the call of the wild has not gone away and Charlie enjoys a wide range of adventure sports and pursuits.


Simoni duo2
Simoni Devetzi

In-house architect


Simoni studied architecture at the National Technical University of Athens, and has practised in both Greece and the UK. She has been the in-house architect at Cowell Group since 2017 and is a key member of the Group’s development team with responsibility for reviewing and appraising the development potential of new acquisitions, and handling all planning and other consent issues. In keeping with Cowell Group’s emphasis on responsibility and sustainability, she is currently finishing a postgraduate qualification in environmental design.


Investing in Experience

Nicholas duo2
Nicholas Cowell

Founding Director

n.cowell@cowellgroup.net

Adrian duo2
Adrian Levy

Founding Director

a.levy@cowellgroup.net

Joanna duo2
Joanna Deroukakis

Legal Counsel and Office Manager

j.deroukakis@cowellgroup.net

Sven duo2
Sven Weinast

Property Director

s.weinast@cowellgroup.net

Charlie duo2
Charlie Hunter

Acquisitions Director

c.hunter@cowellgroup.net

Simoni duo2
Simoni Devetzi

In-house architect

s.devetzi@cowellgroup.net