President, WeylChem Group of Companies & Managing Director, WeylChem Holding SA
With 30+ years of experience, Dr. Brunk has worked in production, strategic planning, marketing and sales. He held senior leadership positions at Bayer Chemicals, CABB Group and Saltigo before joining WeylChem in 2018.
Axel Brinkmann-Hornbogen
CFO, WeylChem-Group
Mr. Brinkmann-Hornbogen has worked as Finance Business Partner for over 25 years. In his last role at Chemviron, he was Finance Director of Europe for more than six years where he was responsible for the Finance and Accounting of nine legal entities with ten plants and served as a member of the leadership team.
Antti Koivisto
Managing Director, WeylChem International & Head of Sales and Marketing, AI & R
Mr. Koivisto started his chemical career in the UK working for BASF where he held various sales and marketing management roles. Before joining the WeylChem Group of Companies in 2017, he led Product Management in the EMEA region at Orica.
Dr. Johannes Kanellakopoulos
Managing Director, WeylChem International GmbH & Head of Sales and Marketing, CMT
Beginning his career as a laboratory manager at Bayer AG, Dr. Kanellakopoulos held various positions within the company before joining BASF SE, where he took over the position of Head of Sourcing & Contracting. Before joining WeylChem, he worked for W.R. Grace as Manager of Site Services.
Dr. Maier started his career working for Hoechst and Clariant in the fine chemicals business, which became part of WeylChem in 2007. Prior to his current position, he worked across R&D, Operations, Sales and Business Management and also leads the company's Care Chemicals Business.
Dr. Steffen Sonnenberg
Managing director, WeylChem InnoTec GmbH
With a wealth of experience in various areas of the custom manufacturing industry, including fine chemicals, nutrition, feed, and pharmaceutical ingredients, Dr. Sonnenberg has previously held leadership roles at Symrise, Bell, Sensient and Minascent.
David Kremer
Managing Director, Allessa GmbH, AllessaProduktion GmbH, WeylChem International GmbH
Alix Deschamps
Managing Director, WeylChem Lamotte and WeylChem Bilbao
Alix Deschamps has around 25 years of international experience in the petrochemical and chemical industry, including positions as site manager and operations manager with a strong focus on HS&E. Before joining WeylChem in January 2021, he was Group Manufacturing Excellence Director at Solvay SA, based in Brussels, Belgium.
Mark Matheny
Managing Director, WeylChem US
With extensive experience in leadership roles, Mr. Matheny worked for Georgia-Pacific Packaging Division in several finance roles and as General Manager of a corrugated box manufacturing plant. He also spent 10 years as Vice President Strategic Planning and Analysis for Novolex.
Rafael Reiser
Managing Director, WeylChem Wiesbaden GmbH
Mr. Reiser has held various operational and staff positions within AkzoNobel, ENKA and CarboTech before joining WeylChem in 2011 as CEO of WeylChem Griesheim, Frankfurt and Hoechst. In late 2013, he was promoted to CEO of Allessa to restructure and lead the company.
