SUSTAINABLE PLASTICS, CIRCULAR ECONOMY AND BUSINESS DEVELOPMENT FOR INDUSTRY

Tostar Consulting helps industrial companies implement recycled and bio-based materials, meet sustainability requirements and create profitable circular businesses.



Tostar Consulting takes over when the LCA analysis is complete – and translates figures and insights into practical sustainability work.
Are you a company that needs to change to secure a future sustainable business development but are unsure of the way forward?
Perhaps you are a subcontractor to a large global company that needs to collect data to comply with their sustainability law requirements?
Do you have a strategy but lack the time to implement it?
Are you looking for an inspirer for your corporate event?

Tostar Consulting is a specialist in sustainable and circular transition with a focus on innovation and, above all, implementation.
Below are examples of how I can help you:
• Provide support to the sustainability manager
• Participate in/lead pilot projects
• Educate in circular economy
• Set strategic plans
• Act as an expert and advisor
• Inspire and train your employees
• Lead projects

If you have other specific needs, don't hesitate to make contact and we can discuss those possibilities!

Sandra Tostar

Founder of Tostar Consulting AB

Polymer engineer by training and holds a PhD in materials science from Chalmers University of Technology. Has worked with plastic material development for 20 years, recycled plastics for 15 years and circular business models for 9 years.

My ambition:

"Create sustainable change where companies take responsibility for the climate and at the same time make profit from the transition – for a future where both people and companies can live and develop."

Previous assignments

Below are examples of projects I have worked on previously.

Private company assignments

  • TAJCO A/S, Denmark. Helped with advice and strategies as well as networking in the Swedish market.

  • HOFFMANN+VOSS GmbH, Germany. Conducted a market study on recycled plastics in Sweden and provided strategies for further work.

  • Pöppelmann GmbH, Germany. Consulting and technical marketing for introduction to Swedish OEM.

Columnist and article writer

Have been writing for the industry magazine Polymervärlden.

Mission leader

Had an assignment within Klimatarena Sundsvall.

Research project manager

Received a grant for CIRCUS II which starts in June 2026 where I will be the work package leader.Participated in several research projects at national and EU level. I have also been the main project leader for "Robust injection molding of vehicle components with low environmental impact" and in "Sustainable Vehicle Interior Solutions (SVIS)" I was one of two sub-project leaders on the industrial side.

Technical leader

Responsible for and driving the circular transition and implementation of recycled plastic and bio-based materials in the automotive industry. The work also included finding and running circular pilot projects where one company's waste became another company's raw material.

Speaker

Regularly invited as a speaker at national and international conferences, seminars, panel debates and training courses.

3 reasons to hire

Tostar Consulting 

Experience

Solid experience from both the manufacturing industry and academia.

Engagement

Leads the work forward with passion and gets everyone on the transformation journey.

Flexibility

Dare to lead and change course, when needed, in a changing world.

Said about Sandra 
"Sandra supported TAJCO with our pilot project focused on developing super lightweight, recyclable composite components for the automotive industry.
Her technical competence stood out — she delivered precise, detailed input and helped us navigate complex challenges.
Sandra also brought valuable connections to relevant stakeholders, which helped us move faster and more confidently toward the Automotive industry.
Her contribution made a real difference in accelerating our time to market."

//Jan Walsøe, Deputy Sales Director Global Sales, TAJCO
"Sandra is a fantastic person and colleague. She is supportive and generous in sharing both her extensive knowledge and, often limited, time, and she is not afraid to tackle difficult or uncertain topics.
Over the years that I have worked with her, I have seen great passion and drive from her, and she is a big part of the progress we have made in sustainable plastics.
I have really enjoyed working with Sandra, she has the rare quality of being both very knowledgeable and a nice person, and I have learned a lot from her.”

//Josefine Strömsrud, System Architect, Materials Engineering Center, Volvo Cars
"Working with Sandra means you get good results quickly.
She goes from detailed discussions to getting a more comprehensive view of the challenge, which means that projects with Sandra always get an extra dimension."
Her knowledge of materials and sustainability is extensive and she can implement this in several issues."

//Maria Bernander, Research Strategist at Engineering Academy, Volvo Cars
Sandra Tostar i fönster

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