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You are here:  Startseite  » Company  » Team


Michael Markschläger

Position: Managing Director ... part of the team since 2005
Training:  Michael Markschläger studied industrial engineering with business studies at the Technical University of Vienna and furthermore, has acquired an extensive knowledge about lubricants and their uses.
Career experience: Michael Markschläger has over ten years experience in the lubricating industry and manages PHI OIL since 2007.
Responsibilities: At PHI OIL, Michael Markschläger is above all responsible for product development and business growth management.

Tel: +43 6272 20 121-0
E-mail: michael.markschlaeger[at]

Thomas Haunsperger

Position: Managing Director ... part of the team since 2010
Training: Thomas Haunsperger build the basis of his technical knowledge at the HTL (Higher Technical education institute) and afterwards studied business in Graz and St. Gallen.
Career experience: Thomas Haunsperger worked for five years as a management consultant and also in a management role, and brings his experience in the areas of organisation, marketing and finance.
Responsibilties: At PHI OIL, Thomas Haunsperger is primarily responsible for business development and marketing.

Tel: +43 6272 20 121-0
E-mail: thomas.haunsperger[at]

Technical sales and distribution

Hans Hötzendorfer

Position: Distribution and customer support ... part of the team since 2009
Training: Hans Hötzendorfer studied agricultural machinery during his apprenticeship and after two years of training, he specialised in construction machinery. He did additional studies in the areas of hydraulics, motor technique and electronics, while building an extensive knowledge of lubrication.
Career experience: Hans Hötzendorfer worked for ten years as a mechanic and operated the construction machinery, truck cranes and heavy goods vehicles. After this, he worked for 14 years for a well-known manufacturer as a service technician for construction machinery.
Responsibilities: At PHI OIL, Hans Hötzendorfer is responsible for distribution and customer support in the construction industry.

Tel: +43 664 244 39 29
E-mail: hans.hoetzendorfer[at]

Ernst Strassegger

Position: Distribution and Customer Support ... part of the team since April 2014
Training: Ernst Strassegger completed his apprenticeship as an automotive mechanic and became a service technician, where he specialised in large forklift trucks. As part of his role as a workshop manager, Ernst expanded his knowledge to include construction machinery and heavy equipment.
Career experience: Ernst Strassegger began his professional career in a car workshop. He then spent 14 years working in the service of large forklift trucks and gantry trucks. For another 5 years he managed the workshop of a large sawing company in Austria and was responsible for the maintenance, servicing and organization of the entire heavy equipment fleet. He was able to expand his technical knowledge, as well as use his organizational skills, and was successful in increasing the reliability and service life of his fleet, while reducing the overall costs. Ernst finally came to work at PHI OIL with more than 20 years of experience.
Responsibilities: At PHI OIL, Ernst Strassegger is responsible for the sales and support of our customers in the area of Styria, Carinthia and the adjacent parts of Salzburg.

Tel: +43 664 847 43 70
E-Mail: ernst.strassegger[at]

Carlo Wölbitsch

Position: Distribution and Customer Support … part of the team since January 2017
Training: Carlo Wölbitsch graduated from the Technical College for Electrical Engineering in Klagenfurt. His professional career has seen him working in various industrial facilities, increasing his interest and knowledge of lubricants.
Career experience: Carlo Wölbitsch’s experience of 6 years as start-up and maintenance engineer, allowed him to become familiar with various machines and their characteristic features. He was also promoted to deputy workshop manager. In 2009, his enthusiasm for personal customer service prompted a change in job and he joined chemical-technical field support.
Responsibilities: At PHI OIL, Carlo Wölbitsch is responsible for distribution and customer support in Carinthia and East Tyrol. Moreover, he supports the distribution and customer support team as specialist for the metalwork industry all over Austria.

Tel: +43 664 427 55 72
E-Mail: carlo.woelbitsch[at]

Günter Gleissenberger

Position: Distribution and Customer Support … part of the team since December 2017
After completing a technical apprenticeship, Günter Gleissenberger expanded his knowledge with numerous job-related courses, eventually finishing his extensive training at an international technology company.
Career experience: Günter Gleissenberger's professional career included 10 years of dispatching, heavy haulage in open-cast mining and mineral oil logistics. In 2006, he pursued his passion in consumer relations to focus on customer service and moved into technical support in the field.
Responsibilities: At PHI OIL, Günter Gleissenberger is responsible for distribution and customer support in Salzburg, Tyrol and Vorarlberg.

Tel: +43 664 847 45 45
E-Mail: guenter.gleissenberger[at]

Andreas Gruber

Position: Distribution and Customer Support … part of the team since May 2018
Training: Andreas Gruber graduated from the Institute of Automotive Engineering in Graz, Austria. From an early age he specialized in technology and soon found out that oil is not just oil. He further developed his interests and activities in the field of lubricant technology.
Career experience: The professional assignments of Andreas Gruber have been around motors for more than 15 years and include engine development for renowned European engine manufacturers, performance enhancement of engines, damage analysis, and prototype production for sintering applications as well as energy saving projects through oil conversion.
Responsibilities: At PHI OIL, Andreas Gruber is responsible for the sales and support of our customers in the area of Upper Austria.

Tel: +43 664 847 45 56
E-Mail: andreas.gruber[at]


Johannes Ebner

Position: Site manager

Tel: +43 6272 20 121-77
E-mail: johannes.ebner[at]

Birgit Galler

Position: Product Manager

Tel: +43 6272 20 121-41
E-Mail: birgit.galler[at]

Angelika Erhardt

Position: Laboratory

Tel: +43 6272 20 121-42
E-Mail: angelika.erhardt[at]

Evi Weber

Position: Accountant

Tel: +43 6272 20 121-43

Anna Forsthuber

Position: Project Manager

Tel: +43 6272 20 121-44
E-Mail: anna.forsthuber[at]

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