OUR TEAM
Daniela Kaina
Secretariat, Accounting
Silvia Sippel
Secretariat, Payroll Department
Jennifer Siebel
M.Sc. REM+CPM, B.Sc.Civil Eng.
+49 2129 9366 25
jenny.siebel@ip-siebel.de
Jennifer Siebel is working at IP Siebel for 10 years. As a construction draftswoman, a civil engineer and a master of science real estate management + construction project management, she is responsible for project management, office management and quality managenent in the architectural office IP Siebel. Previously, she worked as a construction manager for our office for 3 years. In addition, Mrs. Siebel maintains the homepage and has a DVP certification.
Burkhard Weickhmann
Dipl.-Ing. Architect AKNW
+49 2129 9366 17
weickhmann@ip-siebel.de
Burkhard Weickhmann has 30 years of work experience in the project development, planning and site management and works for 20 years as a project manager in the office IP Siebel. He is responsible for the control of the various projects, from the first draught, design, planning, to advertising and site management.
Claudia Spranger
Construction Draftswoman
+49 2129 9366 18
spranger@ip-siebel.de
Claudia Spranger is working in a team as a construction draftswoman in the draught planning, approval planning, implementation planning and detailed planning. Claudia Spranger has 25 years of work experience in particular in the urban land-use planning through her past experience in a town planning office and works for 11 years in the office IP Siebel.
Kemel Yakhlef Moh
Construction Draftsman
Peter Baer
Dipl.-Ing. Architect AKNW
+49 2129 9366 15
peter.baer@ip-siebel.de
Peter Baer has more than 25 years of professional experience in project development, planning and construction management. He is working as a project manager in the office IP Siebel for 14 years. Peter Baer is responsible for the controlling of various projects, from initial concept, design, planning, to tendering and construction supervision.
Andreas Fligge
Construction Draftsman
David Niemietz
M.Sc. Architecture
Chantal Wardenga
Construction Draftswoman
Johannes Lorenzen
Site Management, Structural Engineer
+49 2129 9366 24
lorenzen@ip-siebel.de
Johannes Lorenzen works for 26 years in the site management of the architect’s office IP Siebel. With his more than 35 years experience as a carpenter and later as a structural engineering engineer, he looks after various projects from the detailed planning, AVA, local object supervision up to the last final calculation and fault removal in the architect’s office IP Siebel.
Ferhat Karaca
M.Sc. Civil Eng.
Taner Yasemin
Ph.D. Civil Eng., Y.Lis. Architecture
Stefan Schaper
M.A. Architect.,Site Management
+49 2129 9366 206
schaper@ip-siebel.de
Mr. Stefan Schaper has been working in the construction management of the IP Siebel architectural office since October 2021. He oversees various projects from detailed planning, AVA, on-site property monitoring to the final invoice and rectification of defects in the architectural office of IP Siebel. Since April he has been doing the extra-occupational M.Sc. REM + CPM course at the University of Wuppertal.
Lukas Kleiber
Construction Draftsman Trainee
