VLOG Team and Office
The employees of the VLOG office in Berlin ensure the smooth running of the "Ohne Gentechnik" certification, licensing, assignment of seals, quality assurance and accounting, look after the members, organise events and ensure the flow of information. Here you will find the contact persons for your concerns with their direct e-mail addresses. You can reach us by telephone via our head office at +49 30 2359 945 00.
Alexander Hissting
Managing Director
info@ohnegentechnik.org
Sönke Guttenberg
Head of Media and Public Relations
s.guttenberg@ohnegentechnik.org
Sabine Künzelmann
Team Media and Public Relations
s.kuenzelmann@ohnegentechnik.org
Josefine Schlereth
Head of Seal and Standard Usage
j.schlereth@ohnegentechnik.org
Team management; Checking of product layouts
Lise Especel
Team Seal and Standard Usage
l.especel@ohnegentechnik.org
Initial enquiries; Registration for Standard usage; Membership management; Database management
Rebecca Hellwig
Team Seal and Standard Usage
r.hellwig@ohnegentechnik.org
Initial enquiries; Registration for Standard usage; Membership management
Maja Bergmann
Team Seal and Standard Usage
m.bergmann@ohnegentechnik.org
Initial enquiries; Licensing of seal usage
Pawel Pilak
Team Seal and Standard Usage
p.pilak@ohnegentechnik.org
Initial enquiries; Licensing of seal usage; Sanction processing seal usage
Annika Rother
Team Seal and Standard Usage
a.rother@ohnegentechnik.org
Initial enquiries; Registration for Standard usage; Membership management
Elena Andov
Team Seal and Standard Usage
e.andov@ohnegentechnik.org
Initial enquiries; Registration for Standard usage; Membership management

Marlene Malenko
Team Seal and Standard Usage
m.malenko@ohnegentechnik.org
Initial enquiries; Checking of product layouts
Kerstin Geißler
Head Quality Assurance
k.geissler@ohnegentechnik.org
Head Quality Assurance; Project management; Contact person for VLOG Standard, Standard technical working group
Ulrike Anhut
Team Quality Assurance
u.anhut@ohnegentechnik.org
Implementation and development VLOG Integrity programs; VLOG Integrity auditor for laboratory audits; Supervision sanction procedure for certification bodies
Matthias Werner
Team Quality Assurance
m.werner@ohnegentechnik.org
Implementation and development VLOG Integrity programs, VLOG Integrity auditor for verification audits and CB audits
Anika Berner
Team Quality Assurance
a.berner@ohnegentechnik.org
VLOG Integrity auditor for verification audits
Jürgen Stening
Team Quality Assurance
j.stening@ohnegentechnik.org
VLOG Integrity auditor for verification audits
Simon Golombek
Team Quality Assurance
s.golombek@ohnegentechnik.org
VLOG Integrity auditor for verification audits
Carmen Brzoska
Team Quality Assurance
c.brzoska@ohnegentechnik.org
Contact person for laboratories and GMO analyses, Supervision sanction procedure laboratories; Consulting regarding food processing, Food retail and component testing
Mitsuko Kühn
Team Quality Assurance
m.kuehn@ohnegentechnik.org
Database management, Support CB-portal, Trademark law
Sophia Döhler
Team Quality Assurance
s.doehler@ohnegentechnik.org
Consulting regarding logistics, feed production, agriculture, group and matrix organisation; Benchmarking; Contact person for VLOG Standard and Standard Technical Working Group
David Röhl
Team Quality Assurance
d.roehl@ohnegentechnik.org
Consulting regarding logistics, feed production, agriculture, group and matrix organisation; Benchmarking; Incidents; Contact person for certification bodies
Teresa Jehle
Staff Position for special projects
t.jehle@ohnegentechnik.org
Cross-team project management; Database management with focus on evaluations
Reinhold Abele
Head of Central Administration
r.abele(at)ohnegentechnik(dot)org
Team management; Data privacy
Nadia Weitner
Team Central Administration
n.weitner@ohnegentechnik.org
Office management; Workplace health; Workplace safety; Participation in PR and events

Paul Wielan
Team Central Administration
p.wielan@ohnegentechnik.org
IT administration; IT project management