Acquisitions (Purchasing) and Customs

Contact information for Acquisitions (Purchasing) and Customs is available here.

Avatar Arnoldy

Roland Arnoldy

Head of Unit

+49 228 73-7259

Avatar N.

N. N.

Director’s Office

Service Coordinator

Avatar Köbele

Michael Köbele

Team leader, services and contracts with natural persons

+49 228 73-54478

Avatar Hellhammer

Britta Hellhammer

Team leader, agricultural machinery, office supplies, furniture, professional clothing and multifunctional equipment

+49 228 73-7800

Avatar Hellhammer

Britta Hellhammer

Team leader, IT, laboratory, electrical, media technology and construction contracts.

+49 228 73-7800

Acquisitions (Purchasing) Unit

For questions concerning acquisitions (purchasing), please send an email to
beschaffung@verwaltung.uni-bonn.de 

Computer hardware and accessories (purchase and repair), software, programming orders and maintenance contracts. As well as scientific equipment, laboratory articles, equipment, facilities and services, technical gases, refrigeration & air conditioning, small electrical appliances and kitchen electrical appliances

Avatar Weber

Günther Weber

Team leader, authorization for procurements in excess of €25,000 (before tax)

+49 228 73-7610

Avatar von Preuschen

Natalie von Preuschen

Administrative assistant, authorization for procurements in excess of €25,000 (before tax)

+49 228 73-1938

Avatar Reger

Stephanie Reger

Administrative assistant, authorization for procurements up to €25,000 (before tax)

+49 228 73-6489

Avatar Raaf

Elke Raaf

Administrative assistant, authorization for procurements of scientific equipment up to €25,000 (before tax)

+49 228 73-5564

Avatar Tennie

Sandra Tennie

Administrative assistant, authorization for procurements of IT up to €25,000 (before tax)

+49 228 73-3942

Avatar Klöcker

Michelle Klöcker

Administrative assistant, authorization for procurements of scientific equipment and IT up to €25,000 (before tax)

+49 228 73-6489

Avatar Yilmaz

Zübeyir Yilmaz

Administrative assistant, authorization for procurements in excess of €25,000 (before tax)

+49 228 73-5615


Office supplies, including paper, printing and binding, cleaning supplies, hygiene supplies. As well as agricultural machinery, small tools, copiers and multifunction equipment, furniture, chairs and other equipment, stack, library and display equipment, blackboard/marker board equipment, laundry, upholstery & decoration, service & protective clothing, curtain, drape and vertical blind cleaning

Avatar Hellhammer

Britta Hellhammer

Team leader, authorization for procurements in excess of €25,000 (before tax)

+49 228 73-7800

Avatar Orth

Sabine Orth

Administrative assistant, authorization for procurements in excess of €25,000 (before tax)

+49 228 73-7585

Avatar Gisbrecht

Anna Gisbrecht

Administrative assistant, authorization for procurements up to €25,000 (before tax)

+49 228 73-7543


Non-scientific services

Avatar Köbele

Michael Köbele

Team leader, authorization for procurements in excess of €25,000 (before tax)

+49 228 73-54478

Avatar Hasbach

Dirk Hasbach

Administrative assistant, authorization for procurements up to €25,000 (before tax)

+49 228 73-5897

Avatar Petersen

Kay-Henning Petersen

Administrative assistant, authorization for procurements in excess of €25,000 (before tax)

+49 228 73-7559

Avatar Correia

Margarida Correia

Administrative assistant, authorization for procurements up to €25,000 (before tax)

+49 228 73-5616

Customs Unit

For questions concerning customs, please send an email to
zoll@verwaltung.uni-bonn.de

Import and export

Avatar Karrenbauer

Ralf Karrenbauer

Unit Management

+49 228 73-7868

Avatar Holst

Simone Holst

Administrative assistant for import/customs

+49 228 73-7825

Avatar Kitze

Laura Kitze

Administrative assistant for import/customs

+49 228 73-3997

Avatar Ibald

Carlo Ibald

Administrative assistant for import/customs

+49 228 73-5631

Wird geladen