Our Team

Meet some of the people whose scientific expertise, operational leadership, and commitment to customers help nanoComposix deliver reliable nanomaterial products and turn complex development challenges into scalable solutions.

Josh Bart · Site Director

Josh Bart

Josh leads the nanoComposix site, bringing together manufacturing, operations, quality, research, and commercial teams to deliver reliable products and successful customer programs. Since joining nanoComposix in 2018, he has strengthened manufacturing operations with an emphasis on GMP practices, quality-system compliance, process optimization, scale-up, and operational excellence.

His experience transferring, validating, and integrating diagnostic-product manufacturing helps the organization move complex technologies into dependable production.

Martin Miranda · Director of Production and R&D

Martin Miranda

Martin leads the development, production, quality control, and manufacture of nanoComposix products. Since joining the company in 2010, he has overseen the launch of numerous standard products and helped establish the systems, documentation, and technical knowledge needed to manufacture nanomaterials consistently.

He has also played a central role in developing staff, strengthening SOP and documentation practices, expanding the company’s nanomaterial database, contributing to patent applications, and building the nanoComposix Knowledge Base.

Aaron Saunders, PhD · Director of R&D

Dr. Aaron Saunders

Aaron leads multidisciplinary research and development programs that transform nanomaterial concepts into scalable technologies for diagnostic, therapeutic, and optical applications. He works with commercial and government partners to develop materials with precisely controlled optical, biological, and functional properties.

Since joining nanoComposix in 2012, Aaron has helped advance programs from early feasibility through commercialization, combining deep scientific expertise with a focus on practical industrial translation.

Kimberly Hartstein, PhD · Director of Sales & Marketing

Kimberly Hartstein

Kimberly leads nanoComposix’s sales and marketing efforts, connecting customers with nanomaterial technologies and development capabilities that meet their scientific and commercial goals. Drawing on her training in chemistry, she works closely with technical and commercial teams to translate complex requirements into customized solutions and long-term partnerships.

Since joining nanoComposix in 2019, Kimberly has contributed across technical applications, business development, and life-science sales, giving her a strong understanding of both the science and the customer journey.

Diana Dehaini, PhD · Program Manager

Dr. Diana Dehaini

Diana guides customer programs from initial technical requirements through development, scale-up, and commercial manufacturing. By coordinating scientific, manufacturing, quality, and commercial teams, she helps keep complex projects aligned and moving forward.

Her background in nanomaterial design, fabrication, and customer-facing technical work allows her to anticipate challenges and connect customer objectives with practical development strategies.

Stephanie Morris · Product Manager

Stephanie Morris

Stephanie leads product management efforts across nanomedicine, diagnostics, and optical technologies. She works across teams to shape marketing strategy, guide product positioning, and support the continued growth of the nanoComposix portfolio.

Drawing on her experience as a nanoComposix Senior Scientist, Stephanie brings a strong technical perspective to product development and commercialization.

Amanda Lietti · Senior Manager, Customer Care

Amanda Lietti

Amanda leads the Customer Care team and helps ensure that every customer receives responsive, dependable support throughout their experience with nanoComposix. She strengthens customer relationships while advancing operational excellence, process improvement, and a consistent customer-first approach.

Since joining nanoComposix in 2021, Amanda has helped build a service culture grounded in integrity, trust, excellence, and entrepreneurship.

Athina Glindmeyer · Quality & Regulatory Affairs Manager

Athina Glindmeyer

Athina joined nanoComposix in 2022 as a Quality Engineer and has since grown into her current leadership role, rebuilding core elements of the quality management system along the way while maintaining compliance.

She has extended this work across Fortis by streamlining solutions and collaborating with other sites on manufacturing. Her work helps translate complex requirements into practical systems that support reliable products and customer confidence.

Kimberly Quart · Senior Manager, Development Science

Kimberly Quart

Kimberly leads the development and scale-up of various nanomaterials, including polymeric, metallic and optically tunable materials such as silver nanoplates and gold nanoshells. Since joining nanoComposix in 2011, she has made major contributions to internal R&D, custom nanoparticle formulation, and the expansion of the company’s scalable unit operations and approach.

More recently, she has helped establish commercial-scale GMP manufacturing processes that bring these specialized materials into reliable production for early phase clinical work.

Philippe Saint-Cricq-Riviere, PhD · Senior Manager, R&D

Dr. Philippe Saint-Cricq-Riviere

Philippe leads research focused on the synthesis and surface modification of silica and polymeric nanoparticles for nanomedicine and related applications. His work helps nanoComposix develop specialized silica and PLGA platforms that can be adapted to complex customer and product requirements.

He brings broad experience across sol-gel chemistry, inorganic nanoparticle synthesis, core-shell materials, polymeric nanoparticles, and mesoporous silica systems for drug delivery.

David Garcia Durazo · Senior Manager, Production Planning

David Garcia Durazo

David supports dependable production by coordinating planning and contributing deep expertise in analytical characterization and nanomaterial fabrication. Since joining nanoComposix in 2011, he has helped establish the methodology and documentation necessary to uphold nanoComposix's commitment to high quality and thorough nanoparticle characterization.

His work continues to support internal quality control, research characterization, and the data-driven decisions required for consistent nanomaterial manufacturing.

Steven Oldenburg, PhD · Founder

Dr. Steven Oldenburg

Steve founded nanoComposix in 2004 to accelerate the commercialization of precisely engineered and thoroughly characterized nanoparticles. His scientific vision helped establish the company’s focus on turning advanced nanomaterial research into reliable products and practical customer solutions.

Over more than 25 years in nanotechnology, Steve has contributed to the development and commercialization of technologies including gold nanoshells and other engineered nanoparticle platforms. His work as an inventor, entrepreneur, and scientific leader continues to shape nanoComposix’s technical foundation and approach to innovation.

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