PDA Europe Virtual Conference 4 November 2021
Tuomas Aspiala
Commercial Manager, Innovations
Teknos Group Oy
Tuomas Aspiala is a M.Sc (2003, chemical engineering) from Lappeenranta University in Finland. He is the global commercial manager of innovations at Teknos Group, leading the sales process of new products, services and solutions. After the introduction of polyurea technology at Teknos in 2015, the sales roll-out was his responsibility. Before joining Teknos in 2016 he held international sales and product management positions in paper and chemical industry.
Erkan Durgut
Manager Business Development, Construction Coatings
Jürgen Magner
Senior Consultant

Diego Martinez
Export Manager
Krypton Chemicals
Diego was born in Barcelona in 1974 and has been working in Krypton for about two years as Export Manager of polyurethane, epoxy and polyurea resins for Eastern Europe , ex-URSS countries, Caribbean and West Africa countries.
Daniel Nan
Corporate Market Development Manager, Liquid Applied Membranes
Sika Services AG
Jörg Palmersheim
Since 1st Jan 2013 Jörg Palmersheim has become Secretary General of ISOPA and ALIPA, the industry associations of the European di-isocyanates and polyols industry, located at Brussels in Belgium.
He also serves as member of various Management Committees of Polyurethane Downstream Associations and chairs the Global PU Trade Association Working Group.
Before joining ISOPA & ALIPA, Jörg Palmersheim spent his career with Covestro, previous known as BAYER MaterialScience in various functions. He started his career in August 1985 at BAYER AG in Leverkusen, Germany undertaking an internal traineeship with strong focus
on Marketing. After 14 years in different functions within the BAYER Group including assignment to the UK he entered in 1999 the BAYER Polyurethane Business.
During 13 years he held different positions in product management and in marketing, being based in Germany and in Switzerland. Since he has been appointed Secretary General of ISOPA and ALIPA he started to gear up both industry associations towards a sustainable future.
Especially focus is given to regulatory activities on diisocyanates but also regarding the circular economy, providing an in-depth advocacy approach to contribute to a successful path forward for the polyurethanes industry.
Keltoum Sakour
Business Manager EUMEIA
Mariam Yehia
Target Market Roofing Manager
Sika Egypt
Mariam Yehia is responsible for roofing business at Sika Egypt, developing long term partnerships with applicators, contractors and owners. She is assisting them technically to evaluate and select the proper solution for each case.
She joined Sika in 2010 with about eight years of experience in roofing department where she worked alongside with her colleagues to specify sika roofing solutions at most of mega and prestigious projects in Egypt.