Julien Heusser

Project Management & Coordination Technical Documentation & Regulatory Affairs Testing, Quality Assurance & Approval Leadership & Team Development

• Coordinated multiple development projects, ensuring timely execution and alignment with strategic goals
• Co-developed new adhesive products in collaboration with the R&D team
• Managed all incoming adhesive-related requests (ticket system) and provided technical responses
• Maintained communication with suppliers regarding new development projects, innovations, and research initiatives
• Led bi-weekly team meetings, including preparation and documentation of meeting minutes
• Created and updated technical data sheets in the internal database
• Prepared safety data sheets (SDS) in compliance with applicable regulations
• Developed and maintained quality management (QM) processes across R&D and laboratory operations
• Performed safety assessments of new raw materials in collaboration with the regulatory affairs lead
• Analyzed and communicated test results up to the final product release
• Assessed and approved incoming raw materials based on qualitative specifications for both production and development use
• Ensured quality assurance for raw materials and finished products across the product lifecycle
• Provided technical training and mentorship to laboratory staff, including 7 chemical laboratory technicians, 1 chemist, and 1 lab assistant
• Held responsibility for coordinating development projects and supervising development and laboratory processes within the QM framework
• Participated in professional performance reviews in collaboration with HR, contributing to personnel development and decision-making
• Fostered a positive working environment by promoting open communication among team members and addressing any conflicts promptly.
• Collaborated with cross-functional intra-company teams to provide mutually beneficial outcomes.

• Led the development of new products and documented all relevant formulation and development data using the DRUID Magic development software until readiness for serial production
• Acted as the reference expert for scientific knowledge in the innovation of Class I and Class II medical devices; ensured compliant and successful product development in collaboration with the Head of R&D
• Advised and supported manufacturing in process development and process changes; played a key role in the technological transfer of innovations from lab scale to production scale (400 kg, 1000 kg, and 2000 kg batches)
• Commissioned and oversaw challenge tests, biocompatibility testing, and efficacy studies for medical device validation
• Conducted and evaluated stability tests to predict long-term stability of lab formulations, scale-up batches, and initial (zero) series batches
• Maintained contact with raw material suppliers and supported the sustainable and efficient management of supplier relationships, including sourcing of technologies and materials for the laboratory at Just International AG
• Acted as mentor and technical lead for Junior Formulators, providing guidance and support in project execution and formulation work

• Conducted laboratory development work and experiments based on self-created or predefined formulations
• Tested laboratory products and initiated corrective actions or formulation adjustments based on results
• Reported results regularly to supervisors in written and/or verbal form
• Researched scientific literature and monitored relevant patents in the fields of dispersions, aqueous systems, and reactive systems
• Scaled up formulations to production level, including development of associated manufacturing processes
• Provided technical support to production and ensured proper operation of all production equipment
• Integrated quality planning tools (e.g., FMEA) into development activities
• Trained and supervised laboratory technicians to ensure adherence to procedures and quality standards
• Ensured workplace safety and cleanliness within the assigned laboratory area

• Planned, managed, executed, and documented R&D projects in compliance with PCP (Product Creation Process) guidelines
• Developed polyurethane (PUR) adhesives and sealants, including associated manufacturing processes, scale-up, and transfer to production, quality assurance, EHS (Environment, Health & Safety), marketing, technical service, and system engineering
• Invented and patented novel technologies and processes related to adhesive and sealant systems
• Maintained and optimized existing products; provided cross-functional support to production, quality assurance, marketing, and sales teams
• Documented development work through results summaries and detailed technical reports
• Provided technical support to customers, including technical presentations, product launches, and the initiation of new projects
• Collaborated closely as a core team member with departments such as project management, marketing, sales, production, quality assurance, research, the Adheseal division, technical service, and system engineering