At CEO (Boardroom Media) we track over 1,000,000 startups and over 5,000,000 people who hold key positions in these companies. We use this directory of startups to highlight top employees, founders and board members we think deserve more appreciation than they are currently getting.
This list showcases the top London based CEO’ operating in the Chemical space. If you think a CEO’ is missing from this list, feel free to contact our editor on [email protected].
The individuals on this list have been included because of exceptional performance in one of the following categories:
- Innovation – Operating as a key part in an extremely innovative business or startup.
- Growth – Operating as a key figure in the growth and upscale of a market leading business or startup.
- Management – Showing exceptional management skills.
- Societal impact – Putting their business on the map for their positive societal or environmental impact.
Our Data – We source our data from OSINT (open source intelligence) and public directories such as Crunchbase, SemRush and many more. The data from these sources should be treated with a degree of caution and verified yourself.
Alexander Guslisty
Founder, CEO of BIG Atom
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About BIG Atom: Recycling company on a mission to end polymer waste. They develop, build and operate new generation infrastructure for processing waste.

Chris Tane
Chief Executive Officer of INOVYN
Chris has 34 years’ experience in the chemical industry, primarily in commodity products such as fluorochemicals, chlorine, chloromethanes, chlor-alkali and PVC. Having held a variety of senior management positions with ICI, Chris has spent the last 14 years with INEOS, the past nine of which have been as CEO of several European business units, most recently INEOS ChlorVinyls. Chris was a previous chairman of Euro Chlor; member of the boards of the European Council of Vinyl Manufacturers and VinylPlus; and member of the Council of the Chemical Industries Association in the UK. Chris has a degree in French and German from the University of Oxford.
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About INOVYN: INOVYN is a vinyls producer that ranks among the top three worldwide.
Grant Aarons
Co-Founder & CEO of FabricNano
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About FabricNano: FabricNano is a cell-free biomanufacturing company that develops a DNA-based flow reactor to unlock the future of biochemistry.
Rowena Sellens
CEO of Econic Technologies
A PhD chemist by background, Rowena has 28 years senior management experience in the chemical industry, having held responsibility for R&D, manufacturing, sales & marketing and general management in ICI and Lucite International. This culminated in GM responsibility for Lucite’s €120Mpa turnover EMEA Materials businesses with leading brands Perspex®, Lucite® and Diakon®. She led technical and IP functions through transition from ICI to private ownership and then played a key role in commercial integration of global materials businesses following acquisition by a Japanese multi-national. Passionate about developing individuals and teams to deliver beyond their own expectations, she creates strong values-based culture within her businesses. As the first CEO of Econic, her role is to define and lead the delivery of the complete suite of critical success factors required to achieve Econic’s strategic business objectives and secure the anticipated value returns. Since her arrival in 2014 Econic transformed from a pure catalyst research team to a focused business operation covering all aspects of market and technology development. The IP portfolio of the company has trebled in size. The team has grown from 9 to 30 people. Two funding rounds have secured £12M investment and two new investors. In 2017 Rowena relocated the business from Imperial College’s London incubator to Alderley Park in Cheshire. A £2M Horizon 2020 SME award helped build the pilot scale Customer Demonstration Facility opened in 2018.
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About Econic Technologies: Econic Technologies develops new catalysts and processes for the manufacture of polymers from CO2.
Hugo Macedo
CEO & Founder of Smart Separations Ltd
Hugo is the founder and CEO of Smart Separations Ltd. He has over 11 years of experience in entrepreneurship which helped him founding this start-up company that has developed a proprietary filter that can be tailored to suit many different applications in the poorly explored but very large microfiltration market, from biotechnology to food & drink processing. Throughout his PhD in Biomedical Engineering, Hugo was constantly challenged with new and diverse tasks, in a multidisciplinary environment, where he breathed skills from chemical engineering to stem cell technology, including membrane technology, hydrodynamics, stem cell culture and bioprocessing, human blood production, amongst many others. This provided him with the right tools to create the first “3D hollow fibre bioreactor for the production of human red blood cells” – a system design that he patented. This work was featured in different magazines, including the cover page of The Chemical Engineer (TCE) in 2011, selected as one of “Ten life-changing ideas under research at UK universities” by the Research Councils UK and shortlisted for the highly prestigious IChemE Awards in 2011. Hugo currently holds 2 patents and is passionate for innovation leading to improve people’s quality of life – a vision that he has shared with Smart Separation
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About Smart Separations Ltd: Smart Separations is a limited company based in London UK that has patented an innovative microfiltration technology.