Lauren Tyra is the Chief Executive Officer of Gregor Diagnostics, leading the team through our quest to redefine prostate cancer care. She joined Gregor as an investor in 2018 and as CEO in 2024. Prior to Gregor, Lauren was the Chief Scientific Officer for a Texas-based, healthcare-focused venture capital firm, GPG Ventures. She is also an elected official in Texas, overseeing a public entity with an $800M annual budget. Lauren has BS in Biology and BA in German from the University of North Texas and a PhD from UT Southwestern in Neuroscience, where she was a National Science Foundation GRFP Fellow. In her free time, she reads, hangs out with her husband and high school sweetheart, and shuttles her 2 children around to numerous activities.

Duncan is the Chief Scientific Officer leading the R&D team at Gregor, which is responsible for all biomarker development, process development and optimization, and data sciences. Duncan joined Gregor in early 2022. Prior to that he was VP, Head of Early Detection for Lung Cancer at Johnson & Johnson, VP of Diagnostics at Curis, VP of Discovery R&D at Veracyte, and started his career in clinical research at Exact Sciences, as VP of Technology Development. Duncan has held other leadership roles in biotechnology development in his career and thrives on tackling intricate scientific problems, as well as building effective teams. Duncan received a PhD from Massachusetts Institute of Technology and a BA from Colby College. In his free time, he enjoys traveling, spending time with family, and staying active biking in the summer and skiing in the winter.

Michael Brawer Is the Chief Medical Officer of Gregor diagnostics overseeing all Medical Issues. He has been with Gregor since 2023. Prior to this he served similar position in several Prostate Therapeutic and Diagnostic companies including Threshold Therapeutics GTX, Myriad Genetics MDX Health and Nanospectra Biosciences. Michael received his M.D. from UCLA and trained in General Surgery and Urology at Stanford University. Prior to joining industry, he was Professor of Urology and Adjunct Professor of Pathology at the University of Washington and the Director of the Northwest Prostate Institute. In his spare time, he enjoys playing with his grandson, woodworking, skiing, and gardening. He is married with 3 adult children.

Tobias Zutz is the Chief Technology Officer and Founder of Gregor Diagnostics. After serving for 5 years as its founding CEO, he transitioned to Chief Technology Officer in 2021 to focus more directly on the technology for Gregor's testing. Prior to founding Gregor, he had a decade of R&D experience in assay development and molecular diagnostics. Most recently he was a member of the R&D team at Exact Sciences that developed Cologuard™, a novel screening assay for colon cancer. Before joining Exact, Mr. Zutz was with two small Madison-area biotech companies. He completed a BS in Biochemistry and Genetics and an MS in Biotechnology both from the University of Wisconsin. In his free time, he enjoys playing tennis, cooking, and rooting for all the Wisconsin based sports teams.

Mike Bress is the Chief Financial Officer, primarily working on Accounting, Finance, HR, IT, and Facilities. He has been with Gregor Diagnostics since 2021 and has built and led multiple Operations organizations, from small start-ups to multi-billion-dollar asset managers. Mike has an undergraduate degree in Economics from the University of Pennsylvania and an MBA with a focus on finance and strategy from Georgetown University. In his free time, he runs a large animal sanctuary and rescue in Colorado, and, when and where possible, travels to exotic locales with his kids and grandkids.

Mohsen joined Gregor as the Director of Data Sciences in December or 2022. His passion is to use AI to fight diseases and improve lives. Mohsen has several years of experience in academia and industry as an AI/Machine Learning software developer for biomedical applications. He has extensive experience in deep learning, machine learning, software engineering and bioinformatics. His past experiences include roles as a Machine Learning Scientist at Philips and as a Research Fellow at the Broad Institute. While at the Broad, Mohsen was the lead Developer of AMARETTO, and end-to-end software with novel machine learning algorithms for the integration and inference of multi-modal high dimensional data including multi-omics in genomics, imaging and clinical data. Mohsen has a Ph.D. in Engineering Science and M.Sc. in Computer Science, both from Northeastern University.

Emily is the Director of Clinical and Regulatory for Gregor Diagnostics. She works as the liaison between physicians, clinical sites, KOLs for strategic, operational and clinical development. She has been with Gregor diagnostics since 2019 and has spent nearly 15 years working in startup biotech companies, hospitals, academics and non-profits managing operations and KOL development. Emily has a BS in Biology and Public Health from the University of Wisconsin-Madison, and certificates in clinical research, sports and exercise nutrition. In her free time, she enjoys chasing her three kids, cooking, playing volleyball and cycling, traveling the world experiencing culture and sitting on a warm beach in cold Wisconsin months.

Matthew Clay is a Senior Research Scientist on the R&D team leading biomarker discovery and assay development while also supporting Gregor Diagnostics’ testing platform development. He has been with Gregor diagnostics since December 2021. Prior to joining Gregor, Matt was most recently a scientist at Thermo Fisher Scientific where he developed and supported a broad range of bioassays and services. Matt holds as PhD in Cellular and Molecular Biology from the University of Wisconsin-Madison and was a postdoctoral research fellow of the Damon Runyon Cancer Research Foundation at Duke University. In his free time, Matt enjoys cycling and bikepacking, brewing his own beer and perfecting his basement-brewery, spending time with his wife Dana, and spoiling the most precious dog ever—a pitbull named Stella.

Tanya Quint is a Senior Scientist on the Research and Development Team , primarily working on protein biomarker assay development. She has been with Gregor diagnostics since 2020. Prior to joining Gregor Diagnostics, she worked at Exact Sciences for 10 years in R&D on the development of Cologuard™, a novel screening assay for colon cancer. Tanya graduated from the University of Wisconsin-Madison with a B.S. in Biochemistry and Molecular Biology. In her free time, she enjoys cross-training at Blaze, cooking for family and friends and volunteering in the community.

Colleen Stowe is a Biorepository and Laboratory Manager, primarily working on laboratory operations, sample inventory, and data management. She has been with Gregor diagnostics since 2023 and has worked in several clinical laboratory leadership positions and as an education coordinator prior to joining Gregor. Colleen has a master’s in science in Biotechnology from the University of Wisconsin- Madison. In her their free time, she enjoys cycling, gardening, concerts, and going to many UW-Madison sports events.

Kayli is a Research Associate on the R&D team, primarily working on methylated DNA. She has been with Gregor Diagnostics since August 2022 and worked in biomanufacturing prior to joining Gregor. Kayli has a master’s degree in biomedical sciences from Colorado State University. In her free time, she enjoys hanging out with her cats and crocheting.

Joel Wipperfurth is a Senior Research Associate on the R&D team, primarily working with RNA. He has been with Gregor Diagnostics since 2018 and was a Scientist at PPD prior to joining Gregor. Joel has a bachelor's degree in Genetics from the University of Wisconsin-Madison. In his free time, he enjoys being active outside playing soccer, running and hiking.

Tyler Alvarez is a Research Associate on the R&D team, primarily working on assay development. He has been with Gregor diagnostics since Fall 2022 and was a Research Intern at University of Wisconsin prior to joining Gregor. Tyler has a Bachelor of Science in Molecular & Cell Biology from the University of Wisconsin. In his free time, Tyler enjoys gardening, snowboarding, and building cars.