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Cleanroom Conference Speakers

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Sanky Marzouk was born in Cairo, Egypt in 1981. After his schooling at an international school in Cairo, Marzouk received his bachelor's degree in business administration from the University of District of Columbia in Washington, D.C.. Parallel to his studies, Marzouk and two friends founded his first company with 27 employees, exporting Egyptian cotton products and furniture to Europe and the United States. In 2007, Sanky Marzouk decided to enter the corporate world, joining the second largest real estate developer in the Middle East as sales manager for the North Africa region.

In 2009, Marzouk moved to Germany for family reasons and has since been working in the cleanroom technology industry. Marzouk spent the last 8 years working at DITTEL engineering GmbH, Schlehdorf and in parallel supported the Adriatic institute of technology, Ancona, Italy for the "Shellbe" project. During this time he also volunteered at the German Cleanroom Institute DDRI e.V. as responsible for events and marketing.

During this time, he collaborated with various organizations and organized international events that built various bridges between the European and Middle Eastern markets.

In parallel, Marzouk was responsible for training courses for 5 years in cooperation with IHK Munich and Upper Bavaria to bring more than 150 qualified technicians to the market.


In 2022, Marzouk joined vali.sys gmbh Bubikon, Switzerland as Head of Business Development with the aim to establish the company on the international market and to build even more bridges.

Sales Director / CSO

As a chemical engineer, Philippe Troesch has more than 20 years of experience in process measurement technology for liquids and gases and in the calibration of chemical/physical sensors. Working for Novasina AG for 8 years as product specialist for demanding climate measurements, integration into automation systems and monitoring solutions.

Ahmed Ali Elgasim

Managing Director at Al Mansour Medical Supplies LLC

Ahmed Ali is a Consultant for Business developments in the Medical and Healthcare sector with extended network of leaders, experts, and customers in the region of United Arab Emirates, GCC and Middle East.

In 2015 he Established Mansour Medical Supplies for a group of investors, where he continues as Managing director. The company is positioned in the market in UAE GCC and East Africa. In addition, I am continue providing consultation in healthcare business development field for companies and Governments.

Thomas Christen is a swiss technical engineer. He is the current CEO of vali.sys ag

Dennis Smeijer, Business Unit Director Elis Cleanroom, over 20 years global experience in providing services for the life science market for laundry and cleaning services.


Elis Cleanroom is the global leader in cleanroom laundry services for reusable cleanroom garments, cleaning systems, goggles, and related contamination control solutions. Our laundry facilities and processes are according to the international standards and validated to meet your SOP’s, the new Annex 1 and the needs of controlled environments.

Cleanroom contamination control solutions are essential for any company that has a cleanroom environment. After needs assessment, we offer you the right solutions suitable for your classifications. As a customer of Elis, you no longer have to worry about purchasing, cleaning, repairing, replacing and managing your clothing and/or cleaning products. We ensure that you always have sufficient resources and that they comply with the latest and strictest standards and guidelines.

•            Full management and maintenance of cleanroom clothing

•            Cleaning, repair, replacement and delivery

•            The right hygienic equipment every day


Dr. Blattner studied after completing high school at the University of Karlsruhe process engineering, with a focus on filters and particle measurement. After graduation he worked for 7 years at the company Palas in Karlsruhe, During which he came into contact with clean room technology for the first time. His field of activity included u. a. Aerosol generation and measuring technology in cleanrooms. Afterwards he worked for the company CAS AG.

In 2003 he founded the BSR Ingenieur-Büro. The field of activity of the BSR extends from the qualification of cleanrooms, the required measuring devices and the monitoring of cleanrooms.

Ahmed is currently the Engineering manager for Al Jamjoom Pharma Egypt, being in the pharmaceutical industry for over 14 years with highly reputable organizations and highly growing companies in the Egyptian market like PHARCO group, Al-Andalus for pharmaceutical co. , UTOPIA for pharmaceutical, contributed to many pharmaceutical projects ranges like Solid dosages, Semi solids, Hormone range and Sterile range, graduated from Alexandria Unvirility, Faculty of Engineering, Mechanical department.