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We are SURE

Our team is at your disposal at any time!

Peter Jürgens
General Manager

Tel:+49 (0)228.3506-101

Peter manages the business side of SURE and draws on his vast experience in setting up and operating numerous other certification systems. Peter also works as lead auditor for various certification bodies in the field of quality and environmental management systems as well as also being a lecturer.


Thomas Siegmund
Solid Biomass

Tel: +49 (0)228.3506-119

Thomas comes from the bioenergy sector and has driven forward the topic of sustainable biomass use. Since 2019 he has been responsible for the development and implementation of SURE. Thomas also advises the system participants on issues relating to the certification of solid biomass for the production of electricity and heat.

Hendrik-Benjamin Lerbs

Tel: +49 (0)228.3506-115

Prior to SURE, Hendrik was responsible for biomethane and biofuels within our sister system REDcert, gaining his first professional experience in the fields of renewable energies and waste and recycling management as well as gaining experience with a leading certification and laboratory service company.


Iris Waikinat
QM and Integrity Management

Tel: +49 (0)228.3506-117

Iris is responsible for our integrity management and is also the point of contact for the certification bodies. Iris gathered her long-standing expertise as an auditor for a renowned certification company.

Leon Wagener
Greenhouse Gas Balance

Tel: +49 (0)228-3506118

Leon is our man for formulas and numbers and he does not shy away from even the most complex greenhouse gas balances. Since 2018, Leon has advised system participants and certification bodies on emissions accounting issues within our sister company REDcert.

Agnieszka Czypull
Scheme Principles 

Tel: +49 (0)228.3506-124

Since 2019 Agnieszka has been responsible for our system principles and communication. Prior to joining SURE Agnieszka worked on preventive risk management and hazard prevention for a municipal company. Agnieszka also works on a procedure for risk assessment forthe use of forestry biomass within SURE.

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