News & Events

StageBio Welcomes Senior Pathologist, Dr. Tracey Papenfuss

It is with great honor that we introduce Dr. Tracey Papenfuss as a Senior Pathologist at StageBio. We are happy to have her on the team and look forward to all she will accomplish!

As part of our General Toxicologic Pathologist team, Dr. Papenfuss will support StageBio’s mission by:

  • Supporting general toxicology research for StageBio
  • Using her vast knowledge and experience to support StageBio’s initiatives in immunopathology and immunosafety

“We are happy to welcome Dr. Tracey Papenfuss to our StageBio Team. Her experience in immunology and experimental pathology positions will make her an excellent asset to our team. We look forward to her contributions and all Tracey will accomplish!” –Kathy Bailey, Vice President, Specialty Operations

StageBio is committed to our mission of improving lives through high-quality histopathology, diagnostics and research. Join us in welcoming Dr. Tracey Papenfuss as part of this mission!

The StageBio team is growing! If you are interested in learning more about our current open positions, please visit our careers page here.

About Dr. Tracey Papenfuss, Senior Pathologist at StageBio

Dr. Tracey Papenfuss earned a BS in Biology and Wildlife from the University of Alaska, a DVM and MS in Veterinary Physiology and Pharmacology from the University of Minnesota, and an anatomic pathology residency and PhD in Immunology and Experimental Pathology at Ohio State University. Prior to StageBio, Dr. Papenfuss spent seven years in a faculty immunology and experimental pathology position at Ohio State before moving into industry roles over the past 8 years with Charles River Laboratories, including their legacy WIL Research and MPI Research teams. As part of her role as Senior Pathologist with StageBio, Tracey will support general toxicology research while helping to build special expertise in immunopathology and immunosafety. Tracey resides in Westerville, Ohio, with her husband, Tom, and their family.

About StageBio

StageBio is a leading provider of GLP-compliant necropsy, histology, pathology, and specimen archiving services for the biopharmaceutical, medical device, academic, and contract research industries. The company operates four GLP laboratories as well as three GLP specimen archiving facilities in the U.S., along with one GLP laboratory in Europe. We will continue to make investments in facility and technology infrastructure to meet the growing demand for high-quality histopathology services globally. StageBio has a team of 25+ board-certified veterinary pathologists and more than 100 laboratory technicians on staff supporting our unified commitment to quality, scientific integrity and client satisfaction. Learn more at

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