Contact Our Sales Team on +44 1875 610 001 or click HERE to send us an email

Sunamp Sales and Support Team

Andrew Bissell – Chief Executive Officer

Andrew Bissell - CEO, Sunamp

Andrew founded Sunamp Ltd in 2005 to develop heat batteries, highly efficient heat energy storage systems that can deliver heating and hot water on demand.

Sandy Gatoara – Technical Director

Sandy Gatoara - Technical Director

Santokh has more than 40 years experience in Building Services, Research and Development in the fields of heat exchangers, thermal storage, heating appliances and systems. He has worked as an independent consultant for Ideal Heating, CFCL, IE-CHP and Gledhill. Santokh was technical director of Gledhill Ltd from 1999 to 2011 at main board level where he pioneered the development of appliances and systems based on thermal storage coupled to heat pumps, micro CHP, fuel cells and solar thermal. Before joining Gledhill he worked for British Gas Research and Development division as senior scientist and head of built environment section where he was involved in development of novel technologies for emerging low energy housing. After that he worked for Global Gas as a consultant mainly in Eastern Europe designing and managing the installation of demonstration heating projects in Germany, Czech Republic and Poland and also as analyst for asset acquisition activities of Global Gas. During his long career has been involved in developing standards, Standard Assessment Procedure i.e. SAP for Building Regulations and has active member of industry organisations and has filed more than 8 patents.

Joan Pisanek – Business Development Manager

Joan Pisanek - Business Development Manager

Joan is the Business Development Manager. Joan is an experienced sales person who will understands customer requirements and find the best solutions.

If you are looking for more information on any Sunamp Heat Batteries please contact her on

Joan Pisanek

Tel: 01875 610001

Mobile: 07541 472216


Maurizio Zaglio – European Business Development Manager

Maurizio Zaglio - European Business Development Manager

Maurizio is a mechanical engineer with a PhD in chemical engineering.  He studied in Italy (Brescia), the Netherlands (Delft), and Switzerland (Zurich).

Maurizio joined Sunamp in 2012 as Chemical and Mechanical Engineer. As part of a small and dynamic start-up, his duties varied over different fields, involving design and assembly of heat storage and management systems, scale up production of phase change material from lab scale to tons, test and analysis of the performance of the products, both in the field and in the laboratory.

In 2014, Maurizio changed his role to European Business Development Manager, and relocated to Zurich. Here, he is mainly responsible to engage with OEMs as well as technical and commercial partners, to manage projects and collaborations with key companies at international level in the heating, ventilation, and air conditioning market, and to set up and grow the local subsidiary.

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