The best team for heat transfer!
General Management & Sales
The team of heat 11 in all disposes of more than 100 years of concentrated experience from innumerous projects with thermal oil plants. Together with our industrial partners heat 11 realizes in short time the optimum and custom-made solution for your heating requirement.

Dr.-Ing. Andreas Glueck
Born in 1963.
M.Sc. in mechanical engineering and Ph.D. in heat transfer of Univ. of Stuttgart. Experience in plant construction (DIDIER WERKE).
Managing director of a heat transfer company for many years and more than 20 years of experience with thermo oil systems.

Dr.-Ing. Dietmar Hunold
Born in 1962.
M.Sc. in mechanical engineering and Ph.D. in heat transfer of Technical University of RWTH Aachen. Doctoral research on solar thermal power plants. Dr.-Ing. Dietmar Hunold was managing director of a heat transfer company for many years and has got working experience with HTF systems since 1989.

Torsten Schelp
Born in 1965.
In charge of supply chain management, purchasing and HR. Expert merchant purchasing and materials procurement. Torsten Schelp has over 14 years of experience in procurement of technical components for heat transfer oil plants, most recently as head of procurement for a manufacturer of heat transfer plants.

Brigitte Thiele
Brigitte Thiele has long term working experience with international companies.

Juan Cuestas
Born 1958 in Lima (Peru).
Dipl.-Ingenieur (FH).
Juan Cuestas has over 25 years of experience with HTF systems, for example with Baumgarte steam power plants (Lurgi) and further heat transfer companies.

Rainer Lübbecke
Born in 1963.
Dipl.-Ingenieur (FH), comprehensive experiences in mechanical engineering and construction in the fields of food, water treatment, gas processing and complex heat transfer high temperature plants.

Thomas Stieber
Born in 1968.
Mechanical Engineer, more than 15 years experience of consulting and sales in the fields of thermal oil plants, serving especially food, plastics and machinery and equipment industries.

Juergen Kroeger
Born in 1956.
Over 40 years experience in thermal oil technology in the elds of construction and project planning. 2011–2017 technical manager (authorized signatory) in a company of heat transfer plants.

Norbert Klocke
Born in 1956.
Trained machine fitter and mechanical engineer, since 1980 various positions in companies for power plant construction and the industrial heating technology.
Expert for waste heat recovery plants.

Karsten Bednarz
Born in 1975.
Karsten Bednarz has gained wide experience in spare parts sales and maintenance support in different industries. At heat 11 he is responsible for the entire service and the logistics.
heat11 manufacture

Stefan Witte
Production manager and welding supervisor.
Born in 1967.
Certified VT-II and PT-II examiner and International Welding Specialist (IWS). Since 2012 several responsible positions for the production of pressure vessels and thermal oil plants.

Anatoli Ewert
Deputy production manager and second welding supervisor.
Born in 1983. Industrial specialist, VT expert and International Welding Specialist (IWS). Since 2008 working in the area of the pressure vessels construction and production of thermal oil plants.

William Tissen
Born in 1989.
Electronics engineer for operation technology. Being active in the control and plant construction of thermal oil plants since 2006. At heat 11 he is responsible for the supervision of the electrical assembly and for the final acceptance tests.
Engineering & Service
Our engineering team is also well experienced and has managed many successful HTF projects. And behind is truly the passion to work on all questions of the industrial heat transfer in an optimum way. With the objective to design production processes effectively, economically and environmentally friendly.

Lars Holtmann
Born in 1970.
Dipl.-Ingenieur (FH), B.Sc. in electrical engineering (process control). Working experience in the field of heat transfer systems since 1997. He is one of the founders of heat 11.

Lutz Vielehr
Born in 1963.
Motor mechanic, industrial mechanic, Dipl.-Ingenieur (FH), B.Sc. in mechanical engineering. Working experience with HTF systems since 1999. He is one of the founders of heat 11.

Marco Gruener
Born in 1973.
B. Sc. in mechanical engineering, project manager and head of CAD planning at heat 11. Marco Gruener has many years of experience as design manager.

Mehmet Güleryüz
Born in 1979.
Dipl.-Ingenieur (FH), Mehmet Güleryüz is regarded as proven thermal oil expert and project specialist. He can rely on years of experience in the fields of sales support, project management as well as construction and development.

René Rust
Born in 1984.
Electrician. René Rust has experience with thermal oil systems since 2012. Worldwide service in commissioning, fault finding and troubleshooting, operator training and supervision.

Karsten Lödige
Born in 1984.
Electronics installer plant technology. Karsten Loedige is active around the globe to support our customers. He has more than 10 years of experience in the field of thermal oil plants.

Ingolf Kaeßmeyer
Born in 1958.
Dipl.-Ingenieur (FH). Electrical engineer with an outstanding expertise on firing systems, process engineering and control technologies (Weishaupt, Saacke). Specialist for energy monitoring, more than 20 years of experience in heat transfer technology.

Andrew Lochbrunner
Born in 1970.
Dipl. Masch.-Ing. ETH. Andrew Lochbrunner was employed as process engineer at Bertrams Heatec AG since 1999. From 2014, he headed the department process engineering to the end.
Since 2016 working for heat 11.

Stevo Roknic
Born in 1978.
Mechanical engineer.
Stevo Roknic has acquired extensive experience with 3D CAD programs – e.g. in constructing and developing components of metal and plastic.
Since 2011 working for heat 11.

Uwe Müller
Born in 1964.
Process Control Electrician. Since 1988 commissioning and service of thermo oil plants and steam boilers.

Felix Müller
Born in 1993.
Bachelor of Engineering.

Pascal Höpner
Born in 1989.
Trained electrical engineer in operating technology, followed by the study of regenerative energies – electrical engineer (FH). Working as a project manager for electrical constructions at heat 11.

Niklas Köpper
Born in 1993.
Bachelor of engineering (FH, mechanical engineering). With the specialization in the field of development and construction Niklas Köpper is supporting the project management of thermal oil plants.

Tahsin Demiray
Born in 1979.
Dipl.-Ingenieur (FH) mechanical engineering.
Many years of experience in plant engineering of thermal oil plants in the field of sales support, project management as well as construction.

Kai-Uwe Krause
Born in 1966.
Trained forwarding agent with many years of experience in national and international transports. Project manager for jumbo special equipment. Kai-Uwe Krause supports shipping and logistics since 2017.
Business Administration

Sandra Bresch
Sandra Bresch is a Certified Accountant (IHK) and is responsible for the financial accounting and cost control.

Anke Funke
Anke Funke is commercial employee in the field of financial accounting and cost control.

Thomas Schulte
Born in 1975. Thomas Schulte is trained merchandiser and working in the purchase department at heat 11.