Ullrich Sierau

Chairman at KEB Holding AG

68 year

Finance

Utilities

Government

Active connections

Name	Gender	Age	Linked companies	Collaboration
Markus Krebber	M	51	RWE AG	8 years
Ottilie Scholz	M	-	KSBG Kommunale Verwaltungsgesellschaft mbH EMSCHERGENOSSENSCHAFT EMSCHERGENOSSENSCHAFT Engineering & ConstructionIndustrial Services EMSCHERGENOSSENSCHAFT provides water treatment and management support services. The firm specializes in the development and operations of wastewater treatment plants, pump stations, waterways, and closed sewer systems. Its focus areas encompass wastewater purification, proper drainage, floodwater protection, and waterway management. It operates as a water management association through funding by its members, cities, businesses, and the mining industry. The association was founded on December 14, 1899 and is headquartered in Essen, Germany.	13 years
Guntram Pehlke	M	63	City of Dortmund KSBG Kommunale Verwaltungsgesellschaft mbH Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Werner Brandt	M	70	RWE AG	11 years
Jörg Jacoby	M	57	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke. KEB Holding AG KEB Holding AG Investment Banks/BrokersFinance KEB Holding AG is a German company that provides securities brokerage services. It is based in Muenster, Germany and ultimately controlled by the City of Dortmund. The company was founded in 2002.	4 years
Ralf Sikorski	M	63	RWE AG KSBG Kommunale Verwaltungsgesellschaft mbH	10 years
Michael Müller	M	53	RWE AG	4 years
Thomas Eiskirch	M	-	KSBG Kommunale Verwaltungsgesellschaft mbH EMSCHERGENOSSENSCHAFT EMSCHERGENOSSENSCHAFT Engineering & ConstructionIndustrial Services EMSCHERGENOSSENSCHAFT provides water treatment and management support services. The firm specializes in the development and operations of wastewater treatment plants, pump stations, waterways, and closed sewer systems. Its focus areas encompass wastewater purification, proper drainage, floodwater protection, and waterway management. It operates as a water management association through funding by its members, cities, businesses, and the mining industry. The association was founded on December 14, 1899 and is headquartered in Essen, Germany.	-
Gerhard Langemeyer	M	80	RWE AG KEB Holding AG KEB Holding AG Investment Banks/BrokersFinance KEB Holding AG is a German company that provides securities brokerage services. It is based in Muenster, Germany and ultimately controlled by the City of Dortmund. The company was founded in 2002.	1 years
Monika Kircher-Kohl	F	66	RWE AG	8 years
Heinz-Dieter Düdder	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Ralf-Peter Habbes	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Utz Kowalewski	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Lars Rettstadt	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Norbert Schilff	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Thomas Kufen	M	51	RWE AG	3 years
Dirk Wittmann	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Reiner van Limbeck	M	59	RWE AG	3 years
Helle Valentin Hasselris	F	57	RWE AG	3 years
Karin Welge	F	61	EMSCHERGENOSSENSCHAFT EMSCHERGENOSSENSCHAFT Engineering & ConstructionIndustrial Services EMSCHERGENOSSENSCHAFT provides water treatment and management support services. The firm specializes in the development and operations of wastewater treatment plants, pump stations, waterways, and closed sewer systems. Its focus areas encompass wastewater purification, proper drainage, floodwater protection, and waterway management. It operates as a water management association through funding by its members, cities, businesses, and the mining industry. The association was founded on December 14, 1899 and is headquartered in Essen, Germany.	-
Jendrik Suck	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Michael Schneiderm	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Dirk Schaufelberger	M	-	Sparkasse Dortmund Sparkasse Dortmund Savings BanksFinance Sparkasse Dortmund provides commercial banking services. The bank offers telephone and online banking, brokerage, personal and home loans, real estate lending, and depositary services. It provides services through a chain of 130 branches. Sparkasse Dortmund was founded on January 14, 1841 and is headquartered in Dortmund, Germany.	-
Horst Harald Kraus	M	58	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	5 years
Michael Bochinsky	M	57	RWE AG	6 years
Matthias Dürbaum	M	37	RWE AG	5 years
Dirk Schumacher	M	54	RWE AG	3 years
Dagmar Paasch	M	50	RWE AG	3 years
Ute Gerbaulet	F	56	RWE AG	7 years
Katja van Doren	F	57	RWE AG	1 years
Ulrich Monegel	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Jörg Busatta	M	-	Sparkasse Dortmund Sparkasse Dortmund Savings BanksFinance Sparkasse Dortmund provides commercial banking services. The bank offers telephone and online banking, brokerage, personal and home loans, real estate lending, and depositary services. It provides services through a chain of 130 branches. Sparkasse Dortmund was founded on January 14, 1841 and is headquartered in Dortmund, Germany.	-
Frank Baranowski	M	-	EMSCHERGENOSSENSCHAFT EMSCHERGENOSSENSCHAFT Engineering & ConstructionIndustrial Services EMSCHERGENOSSENSCHAFT provides water treatment and management support services. The firm specializes in the development and operations of wastewater treatment plants, pump stations, waterways, and closed sewer systems. Its focus areas encompass wastewater purification, proper drainage, floodwater protection, and waterway management. It operates as a water management association through funding by its members, cities, businesses, and the mining industry. The association was founded on December 14, 1899 and is headquartered in Essen, Germany.	-
Hauke Stars	F	56	RWE AG	3 years
Angela Brennemann	F	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	-
Ulrich Dettmann	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Sven Hartleif	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Monika Lührs	F	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	-
Kirsten Rupieper	F	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Harald Louis	M	57	RWE AG	8 years
Bernhard Stachowiak	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Hans Friedrich Bünting	M	59	RWE AG	3 years
Christine Wolff	F	63	KSBG Kommunale Verwaltungsgesellschaft mbH	-
Bernhard Klösel	M	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Ingrid Reuter	F	-	Dortmunder Stadtwerke Holding GmbH Dortmunder Stadtwerke Holding GmbH Financial ConglomeratesFinance Dortmund Stadtwerke Holding GmbH is an investment services company based in Dortmund, Germany. The German company provides investment services. The CEO of the private company is Guntram Pehlke.	7 years
Jochen Stemplewski	M	-	EMSCHERGENOSSENSCHAFT EMSCHERGENOSSENSCHAFT Engineering & ConstructionIndustrial Services EMSCHERGENOSSENSCHAFT provides water treatment and management support services. The firm specializes in the development and operations of wastewater treatment plants, pump stations, waterways, and closed sewer systems. Its focus areas encompass wastewater purification, proper drainage, floodwater protection, and waterway management. It operates as a water management association through funding by its members, cities, businesses, and the mining industry. The association was founded on December 14, 1899 and is headquartered in Essen, Germany.	-
Emanuel Grün	M	-	EMSCHERGENOSSENSCHAFT EMSCHERGENOSSENSCHAFT Engineering & ConstructionIndustrial Services EMSCHERGENOSSENSCHAFT provides water treatment and management support services. The firm specializes in the development and operations of wastewater treatment plants, pump stations, waterways, and closed sewer systems. Its focus areas encompass wastewater purification, proper drainage, floodwater protection, and waterway management. It operates as a water management association through funding by its members, cities, businesses, and the mining industry. The association was founded on December 14, 1899 and is headquartered in Essen, Germany.	-
Raimund Echterhoff	M	-	EMSCHERGENOSSENSCHAFT EMSCHERGENOSSENSCHAFT Engineering & ConstructionIndustrial Services EMSCHERGENOSSENSCHAFT provides water treatment and management support services. The firm specializes in the development and operations of wastewater treatment plants, pump stations, waterways, and closed sewer systems. Its focus areas encompass wastewater purification, proper drainage, floodwater protection, and waterway management. It operates as a water management association through funding by its members, cities, businesses, and the mining industry. The association was founded on December 14, 1899 and is headquartered in Essen, Germany.	-
Andreas Wagner	M	57	RWE AG	3 years

Connections Chart

Multi-company connection

Former connections

Name	Gender	Age	Linked companies	Collaboration
Peter Terium	M	60	RWE AG	13 years
Uwe Tigges	M	64	RWE AG	13 years
Rolf Martin Schmitz	M	66	RWE AG	12 years
Jürgen Großmann	M	72	RWE AG	5 years
Hans-Peter Keitel	M	77	RWE AG	11 years
Erhard Walter Schipporeit	M	75	RWE AG	8 years
Bernhard Günther	M	57	RWE AG	17 years
Maria J. Arnoldina van der Hoeven	F	74	RWE AG	-
Bernhard Lüschper	M	-	RWE AG	-
Thomas Birr	M	59	RWE AG	7 years
Peter Ottmann	M	73	RWE AG	-
Arno Hahn	M	62	RWE AG	-
Cord Dreyer	M	-	RWE AG	2 years
Manfred Döss	M	66	RWE AG	8 years
Günther Schartz	M	62	RWE AG	-
Patrick Claessen	M	-	RWE AG	10 years
Markus Coenen	M	-	RWE AG	-
Monika Krebber	F	62	RWE AG	-
Inken Braunschmidt	M	-	RWE AG	3 years
Robert Leyland	M	62	RWE AG	-
Pascal van Rijsewijk	M	47	RWE AG	5 years
Lothar Lambertz	M	-	RWE AG	6 years
Martin Bröker	M	58	RWE AG	-
Anja Dubbert	F	45	RWE AG	-
Frank-Detlef Drake	M	-	RWE AG	14 years
Manfred Holz	M	70	RWE AG	-
Martin Muhr	M	59	RWE AG	-
Leonhard Birnbaum	M	57	RWE AG	5 years
Ekkehard D. Schulz	M	82	RWE AG	10 years
Paul Achleitner	M	67	RWE AG	13 years
Rolf Pohlig	M	71	RWE AG	5 years
Manfred Schneider	M	85	RWE AG	24 years
Dieter Zetsche	M	71	RWE AG	7 years
Carl-Ludwig von Boehm-Bezing	M	84	RWE AG	16 years
Martin Friedrich Herrmann	M	56	RWE AG	1 years
Zvezdana Seeger	F	59	RWE AG	-
Christine Merkamp	F	57	RWE AG	-
Heinz Büchel	M	68	RWE AG	6 years
Andreas Henrich	M	67	RWE AG	-
Hans Peter Lafos	M	70	RWE AG	6 years
Günter Reppien	M	73	RWE AG	10 years
Wolfgang Reiniger	M	80	RWE AG	10 years
Wolfgang Schüssel	M	79	RWE AG	11 years
Reinhold Gispert	M	64	RWE AG	1 years
Roger Arthur Graef	M	81	RWE AG	-
Julia Kranenberg	F	53	RWE AG	9 years

Statistics

Country	Connections	% of total
Germany	95	100.00%

Age of Connections

Active

Past

Male

Female

Members of the board

Executives

Origin of connections