Millstone Medical names Donna Tosta to lead testing operations

Millstone Medical Outsourcing has appointed Donna Tosta as vice president of testing operations to oversee its ISO/IEC 17025-accredited laboratory testing across two Connecticut facilities. The hire comes as the medical device services company expands testing capacity for OEM customers who need faster release timelines and tighter documentation control.

Why it matters: - Medical device makers often miss release dates because testing takes too long. - Millstone Medical Outsourcing is betting that stronger lab leadership will help customers move faster without weakening compliance or documentation. - Donna Tosta brings more than 15 years of laboratory operations and compliance experience to that effort.

What happened: - Millstone Medical Outsourcing named Donna Tosta vice president of testing operations. - Tosta will oversee the company’s ISO/IEC 17025-accredited testing operations across two facilities in Connecticut. - Millstone announced the appointment on September 22, 2026. - The company supports medical device OEMs as a contract manufacturer and testing partner.

The details: - Tosta joins Millstone from Evotec, where she most recently held laboratory and site operations leadership roles. - She spent more than a decade at Pfizer in roles of increasing responsibility within Compound Management and Distribution. - Tosta started her career at Achillion Pharmaceuticals. - She earned a Bachelor of Science in Forensic Science and Chemistry from the University of New Haven. - Millstone said Tosta will help lead testing operations across accredited laboratories in Bloomfield, Connecticut; Willington, Connecticut; and West Warwick, Rhode Island. - Those labs support microbiology, chemistry, biocompatibility, and package testing for OEM partners nationwide. - Millstone also offers contract manufacturing, laboratory testing, and logistics programs. - The company says it operates under a single PO model that combines supplier management, cleanroom assemblies, sterile packaging, laboratory testing, and logistics. - Millstone says the model is designed to reduce risk, protect margins, and speed time to revenue. - The company is FDA registered and ISO certified to ISO 13485:2016. - Karl Neuberger, Millstone’s CEO, said Tosta has spent her career bringing discipline and clarity to lab operations under regulatory pressure.

Between the lines: - The hire signals that Millstone is trying to compete on both speed and regulatory rigor. - That matters in medical device outsourcing, where testing capacity and clean documentation can directly affect launch timing. - Millstone’s expansion across multiple accredited labs suggests the company is building a broader platform for nationwide OEM demand.

What's next: - Tosta will take charge as Millstone continues expanding its testing capabilities. - OEM customers can expect the company to keep positioning its lab network as part of a broader manufacturing, packaging, testing, and logistics offering. - More information is available on Millstone Medical Outsourcing’s website.