The Team
Filip Bertzbach
Dipl.-Ökonom,Managing Director
Filip Bertzbach manages the Hamburg branch and primarily supervises the products Analytics and Indirect Discharge Monitoring, Corporate - Metric Benchmarking of Wastewater Companies, Sewer Construction, Sewer Operations and Materials Management.
After studying economics in Bremen and New York, he worked at various consulting firms in Hamburg prior to the foundation of aquabench GmbH. Filip Bertzbach served as a consultant for benchmarking projects in the supply and wastes disposal industry and the public transportation sector.
Since 1998, together with various managers of municipal wastewater companies, he has designed and successfully implemented important products of today's aquabench GmbH.
Peter Graf
Dipl.-Ing.,Managing Director
Peter Graf manages the Köln branch and primarily supervises the products Wastewater Treatment Plants, Drinking Water Supply, Civil Engineering Offices, Flowing Waters and Reservoirs.
He holds a graduate degree in engineering (Dipl.-Ing.) and completed postgraduate studies in business. From 1994 to 2003 he worked as an administrator and later as the central division manager of the commercial division of the Agger Association in Gummersbach. From 1998 to 2002, he additionally managed the business of Aggerwasser GmbH, a wholly-owned subsidiary of the Aggerverband.
Since 1996 Peter Graf has contributed significantly developing the benchmarking methodology in the wastewater industry and, since 1999, has been a member of the DWA Benchmarking Working Group.
Tel.:+49(40) 47 11 24-31
Fax:+49(40) 47 11 24-11
f.bertzbach@aquabench.de
Tel.:+49(22 03) 3 59 29-11
Fax:+49(22 03) 3 59 29-20
p.graf@aquabench.de
Torsten Franz
Dr.-Ing.,Project Manager
Torsten Franz supervises the Indirect Discharger Monitoring product and various cycles of the product Corporate - Metric Benchmarking of Wastewater Companies at the Hamburg branch.
After studying urban water management at the Technical University of Dresden, he worked as a planning engineer at an engineering office from 1997 to 1998. He then worked at the Institute for Urban Water Management of the Technical University of Dresden as a research assistant on various projects regarding urban water management.
Torsten Franz has been supporting the aquabench GmbH team since November 2007.
Martina Graeser
Management Assistant in IT-SystemsMartina Graeser has reinforced our team in the Hamburg branch since April 2009.
She provides support for the project managers as well as for office management, is responsible for the content of our web site and takes on the specialist system supervision of our aquabench online software. In addition, she is the contact for all questions from our clients with regard to first-level support of the aquabench online platform.
Before joining aquabench GmbH she was responsible for software and user support as well as for the reporting systems of various reputable firms.
Tel.:+49(40) 47 11 24-36
Fax:+49(40) 47 11 24-11
t.franz@aquabench.de
Tel.:+49(40) 47 11 24-34
Fax:+49(40) 47 11 24-11
m.graeser@aquabench.de
Vivian Kezic
Travel Management AssistantVivian Kezic is a qualified travel management assistant and supports the team at the Köln branch as the office manager. She is the contact person for all organizational matters, travel planning and project meetings and events.
Prior to joining aquabench GmbH, Vivian Kezic worked at several travel agencies and was self-employed in the event sector.
Vivan Kezic has supported the aquabench GmbH team in Cologne since July 2008.
Pamela Meyer
Dipl.-Ing.,Project Manager
Pamela Meyer works at the Köln branch and primarily supervises the projects Wastewater Benchmarking in Nordrhein-Westfalen, Benchmarking of the Water Industry in Rheinland-Pfalz and the survey of DWA (German Association for Water, Wastewater and Waste) economic data, and is the contact for international activities.
After studying civil engineering with focus on urban water and waste management at the University of Duisburg-Essen and working abroad at the University of Auckland (New Zealand) as an honorary research assistant within the framework of the "Ruhr Water Scholarship" of the Ruhrverband, she worked as a research assistant at the University of Duisburg-Essen (Urban Water Management) and the Ruhr University of Bochum (Chair for Economic Policy III).
She has been working on a postgraduate degree in business administration and engineering at the Open University of Hagen.
Pamela Meyer has been supporting the aquabench GmbH team since May 2007.
Tel.:+49(22 03) 3 59 29-12
Fax:+49(22 03) 3 59 29-20
v.kezic@aquabench.de
Tel.:+49(22 03) 3 59 29-16
Fax:+49(22 03) 3 59 29-20
p.meyer@aquabench.de
Kay Möller
Dipl.-Ing.,Project Manager
Since March 2009 Kay Möller has reinforced the corporate benchmarking team wastewater within the Hamburg branch and is chiefly responsible for the supervision of the project wastewater performance indicator comparison in Baden-Wurttemberg.
Following his structural engineering and environmental engineering studies at the Hamburg University of Technology (TUHH) he worked as scientific assistant in the TUHH Institute for Water Resources and Water Supply in the project “Development and practical testing of process performance indicators in the water industry” which is sponsored by the German Federal Ministry of Education and Research (BMBF). Subsequently he supervised several performance indicator comparisons in water supply at the DVGW (German Technical and Scientific Association for Gas and Water) research centre at the TUHH.
Christian Roosen
Dipl.-Geogr.Christian Roosen works at the Cologne branch as an project manager for projects in the field of waste water treatment plants and DWA economy data.
His studies of Geography with minor subjects in soil science and sociology science at the University of Bonn focused on Global Change / Climate Change.
While writing his thesis at the Institute of Chemistry and Dynamics of the Geosphere at the Forschungszentrum Jülich he expanded his knowledge of paleo-limnology and hydrology in the Argentine context.
He joined the aquabench GmbH in September 2008.
Tel.:+49(40) 47 11 24-25
Fax:+49(40) 47 11 24-11
k.moeller@aquabench.de
Tel.:+49(22 03) 3 59 29-28
Fax:+49(22 03) 3 59 29-20
c.roosen@aquabench.de
Jan-H. Schaper
Dipl.-Kaufmann,Project Manager
As a project manager at the Hamburg branch, Jan Schaper is responsible for the products Corporate - Metric Benchmarking of Wastewater Companies and Materials Management. He additionally supervises the online platform and is responsible for the ongoing development of the software.
After completing his degree in business administration in 1997, Jan Schaper worked as a consultant and project manager in the area of IT at various consulting firms. Jan Schaper has been supporting the aquabench GmbH team since the beginning 2004.
Axel Schmidt
...in preparation.Tel.:+49(40) 47 11 24-24
Fax:+49(40) 47 11 24-11
j.schaper@aquabench.de
Tel.:+49(2203) 3 59 29-18
Fax:+49(2203) 3 59 29-20
a.schmidt@aquabench.de
Sven Weiher
Project ManagerSven Weiher works at the Hamburg branch of aquabench GmbH as the project manager of the Sewer Operations Product. He is additionally the contact person for the first level support of the online platform.
He has been with aquabench GmbH since it was founded and has successfully worked on the conception and further development of corporate - metric benchmarking of wastewater companies and sewer operations products since 2000.
Marius Wilke
Dipl.-Ing.,Project Manager
Marius Wilke is primarily responsible for process benchmarking of water supply companies.
After studying water management at the Magdeburg-Stendal University of Applied Sciences, he worked at Gelsenwaser AG starting in April 2006 first as a trainee and then as a plant engineer and technical assistant.
Marius Wilke has been supporting the aquabench GmbH team since November 2008.
Tel.:+49(40) 47 11 24-32
Fax:+49(40) 47 11 24-11
s.weiher@aquabench.de
Tel.:+49(22 03) 3 59 29-27
Fax:+49(22 03) 3 59 29-20
m.wilke@aquabench.de
Eva Wortmann
Dipl.-Biol.,Dipl.- Wirt.Ing.,
Project Manager
Eva Wortmann works at the Köln branch as a project manager for the product Wastewater Treatment Plants and supervises the projects “Wastewater Treatment Plants in Rheinland-Pfalz” and “European Process Benchmarking for WWTP”.
After graduating in biology at the RWTH Aachen University in 1998, she first worked as a scientific officer at a technical and financial orientated consulting company. In 2002 she graduated in Engineering & Business at the Niederrhein University of Applied Sciences and wrote her diploma thesis on benchmarking in the waste industry. From 2001 to 2008 she was entrusted with multifaceted consulting and sales duties in the area of waste and wastewater as project manager at a large company of the waste industry.
Eva Wortmann has been supporting the aquabench GmbH team since June 2008.
Michael Zentner
Dipl.-Wirt.Ing.,Project Manager
Michael Zentner is responsible for the products Sewer Construction, Pipeline Construction and Sewer Operations at the Hamburg branch of aquabench GmbH.
After completing his studies of business administration and engineering with a specialization in civil engineering at the Technical University of Braunschweig and the University of Linköping (Sweden), he completed a trainee programme at a major municipal water and wastewater company and dealt with various tasks in the area of wastewater management within this framework.
He has been supporting the aquabench GmbH team since September 2007.
Tel.:+49(22 03) 3 59 29-24
Fax:+49(22 03) 3 59 29-20
e.wortmann@aquabench.de
Tel.:+49(40) 47 11 24-33
Fax:+49(40) 47 11 24-11
m.zentner@aquabench.de
Daniel Zipperer
Dipl.-Ing. (FH), M. Sc.Project Manager
Daniel manages our benchmarking initiatives for drinking water services as well as for operators of large reservoirs at our office in Cologne, Germany. He also advises water supply utilities with regard to antitrust compliance.
Daniel obtained his academic degree from the University of Applied Sciences Dresden, Germany where he studied civil engineering, focusing on geotechnical engineering, water engineering and management. During his undergraduate year he also studied one year abroad at the Nottingham Trent University, England. After finishing his undergraduate, he worked for an engineering consultant office in Dresden. Daniel also holds an M. Sc. degree in Sustainable Protection and Management of Water from the University of Braunschweig, Germany.
Daniel has been working with aquabench since January 2006.
Tel.:+49(22 03) 3 59 29-15
Fax:+49(22 03) 3 59 29-20
d.zipperer@aquabench.de
