The management team

Dr. Christian Wolf



Phone: +49 2171 55 997 0



Managing director

Head of the Test Facility


Profession  and Responsibilities




Studies of Biology at the University of Cologne,

Diploma and PhD thesis about the feeding ecology and life history strategies of inland breeding oystercatchers (Haematopus ostralegus)



Foundation of tier3 solutions GmbH in October 2010

2005 – 2010 Managing Director of a CRO

1998 – 2005 product responsible scientist ecotoxicology at Bayer CropScience AG

1996 – 2004 post-doc at Bayer CropScience AG, wildlife field studies and laboratory research

Dr. Heino Christl


Phone: +49 2171 55 997 14


Position and Responsibilities

Director Regulatory Affairs & Consulting

Authorised signatory (Prokurist) & deputy head of GLP test facility



Biologist (Ecology), Dr. rer. nat., Ecotoxicologist by training



Studies of Biology at University Hannover, Tübingen and Marburg-Lahn. 

Specialisation in zoology, limnology (aquatic ecology), entomology and nematology.

PhD thesis at the Max-Planck-Institute of Limnology, Research Station Schlitz and the Philipps-Universität Marburg on the community of free-living nematodes in a first-order stream.



since April 2012 at tier3 solutions GmbH (Regulatory Ecotoxicologist)

2009-2012 Agchem Project Consulting (APC) Ltd, UK  (Regulatory Ecotoxicologist)

2006-2009 JSC International Ltd, UK (Ecotoxicologist, Project Manager)

2002-2006 Covance Laboratories GmbH, Münster (Study Director)

2001-2002 BAYER Pflanzenschutz-Zentrum, Monheim (Scientist)

1996-2001 Independent expert (Scientist, Project Manager)

Dr. Andrea Roßbach



Phone: +49 2171 55 997 12


Position and Responsibilities

Authorised signatory (Prokurist) & Team Leader Field Studies

Study Director

Field Studies (Arthropod Residues & Seed Dissipation Studies)


Biologist (Ecology, Agroentomology) 



Studies of Biology (Dipl. Biol.) at the University of Osnabrueck

Studies of Agriculture (MSc) of the Tropics and Subtropics at the Georg-August-University in Goettingen

PhD thesis (University of Goettingen) on effects of the host shift of diamondback moth to peas on parasitoids in Kenya



Since 2011 at tier3 solutions GmbH

2009-2010 Consultancy Ecotoxicology, Regulatory Affairs

2007-2008 Principal Investigator, Arthropod Residue Studies

tier3 solutions GmbH Office

Kolberger Str. 61-63 | 51381 Leverkusen | Germany

Phone: +49 2171 55 997 0 | Fax: +49 2171 55 997 69 | E-mail: info|at|

Managing Director: Dr. Christian Wolf

Trade Register: Cologne HRB 70506 | VAT-No. DE 274 359 609