Calum MacLean

President at OMNOVA SOLUTIONS INC.

63 year

Process Industries

Consumer Services

Producer Manufacturing

Profile

Calum Grigor MacLean is currently President & Director at OMNOVA Solutions, Inc. since 2020 and Non-Executive Director at Clariant International AG since 2018.
Former roles include Chief Executive Officer & Executive Director at Synthomer Plc from 2015 to 2021, Chief Executive Officer at Synthomer BV, INOVYN Schkopau GmbH, INEOS Phenol GmbH, and INEOS Olefins & Polymers USA LLC, Chief Executive Officer at Petroineos Trading Ltd. from 2006 to 2011, Chairman at Styrolution (Jersey) Ltd. and Petroineos Refining Ltd., Non-Executive Director at Clariant AG, Non-Executive Director at Saudi Basic Industries Corp.
from 2017 to 2025, and Founding Member at INEOS Europe AG from 1998 to 2011.
Education includes an undergraduate degree from the University of Aberdeen conferred in 1985.

Calum MacLean active positions

Companies	Position	Start
OMNOVA SOLUTIONS INC.	President	31/03/2020
Clariant International AG Clariant International AG Chemicals: Major DiversifiedProcess Industries Manufactures specialty chemicals	Director/Board Member	15/10/2018

All active positions of Calum MacLean

Former positions of Calum MacLean

Companies	Position	End
SABIC	Director/Board Member	08/04/2025
SYNTHOMER PLC	Chief Executive Officer	31/10/2021
Petroineos Trading Ltd. Petroineos Trading Ltd. Oil Refining/MarketingEnergy Minerals Engages in oil refining activities	Chief Executive Officer	31/12/2010
INOVYN Schkopau GmbH INOVYN Schkopau GmbH Miscellaneous ManufacturingProducer Manufacturing Specializes and manufactures PVC compunds	Chief Executive Officer	31/12/2004
INEOS Europe AG INEOS Europe AG Wholesale DistributorsDistribution Services Sells chemicals	Chief Executive Officer	-

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Linked companies

Private companies	14
OMNOVA Solutions, Inc. OMNOVA Solutions, Inc. TextilesProcess Industries Designs and develops woven fabric products	Process Industries
Clariant AG Clariant AG Chemicals: SpecialtyProcess Industries Develops, manufactures, distributes, and sells specialty chemicals	Process Industries
Synthomer Plc Synthomer Plc Chemicals: SpecialtyProcess Industries Develops and markets polymers	Process Industries
University of Aberdeen University of Aberdeen Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Saudi Basic Industries Corp. Saudi Basic Industries Corp. Chemicals: Major DiversifiedProcess Industries Produces petrochemicals, polymers, fertilizers and other basic chemicals	Process Industries
Synthomer BV Synthomer BV Chemicals: SpecialtyProcess Industries Manufactures and supplies synthetic polymers	Process Industries
INOVYN Schkopau GmbH INOVYN Schkopau GmbH Miscellaneous ManufacturingProducer Manufacturing Specializes and manufactures PVC compunds	Producer Manufacturing
Clariant International AG Clariant International AG Chemicals: Major DiversifiedProcess Industries Manufactures specialty chemicals	Process Industries
INEOS Phenol GmbH INEOS Phenol GmbH Chemicals: SpecialtyProcess Industries Manufactures and supplies phenol and acetone	Process Industries
INEOS Olefins & Polymers USA LLC INEOS Olefins & Polymers USA LLC Chemicals: SpecialtyProcess Industries Engages in the manufacturing and sale of petrochemicals and refined products	Process Industries
Petroineos Trading Ltd. Petroineos Trading Ltd. Oil Refining/MarketingEnergy Minerals Engages in oil refining activities	Energy Minerals
Styrolution (Jersey) Ltd. Styrolution (Jersey) Ltd. Financial ConglomeratesFinance Operates as an investment company with interests in the chemicals industry	Finance
INEOS Europe AG INEOS Europe AG Wholesale DistributorsDistribution Services Sells chemicals	Distribution Services
Petroineos Refining Ltd.