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Stefan Fleischer

Since 2007, he has been supporting Zwiesel Kristallglas AG

Stefan Fleischer has been working as a sales representative for well-known restaurant and retail brands since 1991. He has been supporting Zwiesel Kristallglas AG in customer care and consulting since 2007 and has also been contributing his extensive know-how in the tabletop sector to Zwiesel Fortessa since 2021.

Telephone: +491717744082
Email: [email protected]

Postcode-Area:

01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 39, 98, 99

Tom Fleischer

Part of our team since 2017

Actually a trained banker, Tom Fleischer has been sharing his enthusiasm for the restaurant business with his father since 2017 and has also been part of our team since then. As an independent sales representative, he represents well-known companies in the field of restaurant equipment. In parallel, he has been an accredited consultant for German wine since November 2022.

Telephone: +491707263221
Email: [email protected]

Postcode-Area:

01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 39, 98, 99

Sarka Fornousova

Since 2000 employee of Zwiesel Kristallglas AG

Immediately after graduating from the Prague University of Economics in 2000, Sarka Fornousova joined Zwiesel Kristallglas AG. Since then, her heart has been beating for cultivated table culture. From the very beginning, she has also supported the Zwiesel Fortessa team in advising and assisting our customers.

Telephone: +420777151705
Email: [email protected]

Silvia Gangkofner

Since 2005 at Zwiesel Kristallglas AG

After her training as an office clerk, Silvia Gangkofner gained her first sales experience in the furniture industry. Since 1995, she has dedicated herself to the sale of high-quality crystal glass. In 2005, she moved to Zwiesel Kristallglas AG and has been supporting the Zwiesel Fortessa team in advising and assisting customers since 2021.

Telephone: +491717643175
Email: [email protected]

Postcode-Area:

80, 81, 82, 83, 84, 85, 87, 94

Christian Gaus

Since 2015 at Zwiesel Kristallglas AG

With over 13 years of experience in the restaurant trade, Christian Gaus has been bringing extensive industry know-how to Zwiesel Kristallglas AG since 2015. As Area Sales Manager Northwest, he has also been supporting Zwiesel Fortessa since 2021.

Telephone: +4916096935653
Email: [email protected]

Postcode-Area:

29, 30-33, 37, 38, 44, 45, 48, 49, 57-59

Marco Gerds

With Team Zwiesel Fortessa since 2026

He knows the hospitality industry from personal experience: Since July 2026, Marco Gerds has been strengthening the Zwiesel Fortessa sales team as Regional Sales Manager for the Southwest.
Thanks to his professional background in the hotel and restaurant industry, Marco Gerds is very familiar with the industry’s requirements and challenges. He combines his practical hospitality experience with sales expertise, which he has gained and continuously developed across various industries.
Marco Gerds now brings this combination of industry knowledge and sales experience to Zwiesel Fortessa. In doing so, he focuses on providing his clients with competent, personalized, and collaborative support.
As Regional Sales Manager, Marco Gerds is responsible for managing and developing customer relationships in southwestern Germany. His focus is on strengthening existing partnerships, tapping into new potential, and further expanding Zwiesel Fortessa’s presence in the region.

Email: [email protected]

Postcode-Area:

67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 88, 97

Henning Gerhold

Zwiesel Fortessa team member since 2023.

Henning Gerhold has been working successfully in sales and marketing for 28 years - among other things as commercial director of an equestrian sports facility and as key account and export manager of a well-known manufacturer of hotel silver and outfitters in the upscale HORECA sector. With his extensive experience in opening up new markets and active customer support in the hotel and catering segment, he has enriched the Zwiesel Fortessa team since 2023.

Telephone: +49992298522
Email: [email protected]

Philippe Guillon

Zwiesel Fortessa France Managing Director

After gaining initial experience in the wine and spirits sector on the US market, Philippe Guillon initially worked for a renowned Austrian glass brand as Export Sales Manager before setting up the French subsidiary for the company and managing it until 2021. For Zwiesel Kristallglas AG, he analyzed the French market and designed the future sales strategy in France. This consequently led to the founding of Zwiesel Fortessa France under the management of Philipp Guillon, a subsidiary of Zwiesel Kristallglas AG, which is adopting the Zwiesel Fortessa concept 100%!

Telephone: +33623302542
Email: [email protected]

Christian Hieke

With Team Zwiesel Fortessa since 2026

He has experience with hospitality from various perspectives: Since May 2026, Christian Hieke has been strengthening the Zwiesel Fortessa sales team as Sales Manager for Austria and Switzerland in the HoReCa segment.
As a trained hotel manager, Christian Hieke has firsthand knowledge of the requirements and needs of the hospitality industry. His professional experience includes serving as a hotel manager on a cruise ship, where he gained extensive experience in the international hospitality sector.
Later in his career, Christian Hieke transitioned into sales and held various positions in the brewing, coffee, and wine industries. As a certified sommelier, he combines in-depth business and sales expertise with his personal passion for fine dining and the art of the table.
At Zwiesel Fortessa, Christian Hieke is responsible for the further development of the HoReCa markets in Austria and Switzerland. His focus is on close and personal collaboration with customers and partners, tapping into new market potential, and further expanding Zwiesel Fortessa as a comprehensive premium partner for fine dining.

Email: [email protected]

Kai Knab

At Zwiesel Fortessa since January 2022

After his start at a well-known restaurant retailer in 2014 and various stations in the company, Kai Knab knows the many facets of the tabletop sector. In January 2022, he moved to Zwiesel Fortessa and has been supporting our team ever since.

Telephone: +491755828475
Email: [email protected]

Postcode-Area:

20, 21, 22, 23, 24, 25, 26, 27, 28

Thorsten Lindenkamp

With Zwiesel Fortessa since 2024

After leaving school and completing his military service, Thorsten Lindenkamp's career path took him through all facets of the HORECA segment. Apprenticeship as a hotel specialist in a well-known Munich hotel and studying business administration with a focus on marketing and human resources formed the basis for his profession in the sales of catering equipment and as a regional sales manager for coffee systems and concepts. Since 2024, Thorsten has dedicated himself to tableware as Regional Sales Manager at Zwiesel Fortessa.

Telephone: +491713843506
Email: [email protected]

Postcode-Area:

34-36, 40-42, 46, 47, 50-53

Martina Lukasova

Regional Sales Manager for the Nordics, UK and Baltics regions

Martina already supported Zwiesel Kristallglas AG during her foreign trade studies at the University of Economics in Prague and became a permanent member of the Zwiesel Kristallglas family in 1998. For many years, she has been responsible for the Nordics, UK and Baltics regions as Regional Sales Manager and also took on this role for Zwiesel Fortessa at the beginning of 2022.

Telephone: +420608885167
Email: [email protected]

Sebastian Mac Lachlan-Müller

Former Head Sommelier and since 2018 Key Account Manager of Zwiesel Kristallglas AG

After many years as head sommelier in renowned houses and awarded as one of the best sommeliers in Germany, Sebastian Mac Lachlan-Müller has been Key Account Manager at Zwiesel Kristallglas AG since 2018 and is now also part of the Zwiesel Fortessa team. At the same time, he has been a lecturer and member of the examination board for the International Wine Institute since 2011.

Telephone: +4915127250614
Email: [email protected]

Hans Sitzberger

Since 1986 employee of Zwiesel Kristallglas AG

Hans Sitzberger has been an employee of Zwiesel Kristallglas AG since 1986. After completing his training as a foreign language clerk, he took on a wide variety of tasks and responsibilities in sales. Since 2020, he has been responsible for the MNO, Africa and Italy region as Regional Sales Manager and has also supported Zwiesel Fortessa in these regions since 2022.

Telephone: +49992298224
Email: [email protected]

Oliver Skokann

26 years independent sales representative

With 26 years of experience as a freelance sales representative in the hotel, restaurant and communal catering sector in northern Germany, Oliver Skokann has been committed to Zwiesel Fortessa with his extensive knowledge and network since the beginning of 2022.

Telephone: +491714744624
Email: [email protected]

Postcode-Area:

20, 21, 22, 23, 24, 25, 26, 27, 28

Jonas Wandtner

Since November 2021 Regional Sales Manager for North America

Jonas Wandtner already completed his internships at Zwiesel Kristallglas AG during his business studies in Passau. Upon completion of his training in November 2021, he started as Regional Sales Manager for North America for Zwiesel Glas and also looks after parts of Europe for Zwiesel Fortessa.

Telephone: +49992298567
Email: [email protected]

Sonja Wefers

As a trained hotel manager and merchant in wholesale and retail with national and international stations in chief stewarding, Sonja Wefers moved to Zwiesel Kristallglas AG in 2013. Here she initially looked after the Rhine-Main region in field sales and has been responsible for looking after winegrowers in DACH since 2022.

Telephone: +491717643158
Email: [email protected]