Contact Mayo Clinic Ventures


James Rogers III, J.D.

Chief Business Development Officer

Jim Rogers serves as chief business officer of Mayo Clinic’s Department of Business Development, which merged Mayo Clinic Ventures and the Office of Business Development. Jim is the immediate past Chair of Mayo Clinic Ventures and past Deputy Director of the Center for Regenerative Medicine. Mr. Rogers is secretary of the Business Development Committee for the Mayo Clinic Board of Trustees, and he serves on the Mayo Clinic Administrative Team, Mayo Clinic Administrative Team Executive Committee, and the investment committee of Mayo’s $100 million Venture and Growth Fund. Mr. Rogers also serves on several external boards including: Medical Alley Association, Rochester Area Economic Development, Lourdes Foundation, Resoundant, Inc., and the Merchants Bank Local Advisory. 

Mr. Rogers is a licensed patent attorney and has more than 20 years of experience in intellectual property and commercialization of technologies, including serving for more than a decade in the Legal Department at Mayo Clinic. Before coming to Mayo, Mr. Rogers worked at Dorsey & Whitney, LLP, and 3M Company. 

Mr. Rogers is a graduate of the University of Iowa and University of Iowa College of Law, where he earned his B.S. in biology and his J.D. with high distinction.


Andrew Danielsen

Chair, Licensing

Andy Danielsen has been with Mayo Clinic Ventures since 2002. He oversees the licensing, technology development, and business development functions of the office. Collectively, these groups work to identify, develop, and commercialize Mayo Clinic intellectual property. Prior to joining the MCV office, Danielsen conducted research at Mayo Clinic where he worked to identify therapeutic targets in breast and ovarian cancer. He received a B.S. in biochemistry and molecular biology from the University of Wisconsin-Eau Claire, his M.S. degree in molecular biology from the Mayo Graduate School of Medicine, and is a registered patent agent.


Management Team

Timothy Argo

Director | Licensing, Devices, Diagnostics, Cardiology

Tim Argo, CLP, joined Mayo Clinic in 1996. Prior to moving to Rochester, he was a licensing associate with Kansas State University Research Foundation and a sales representative for a major pharmaceutical company. Argo received both a B.S. in microbiology and an M.B.A. in finance from Kansas State University.


Julie Henry

Director | Operations, Research Tools

Julie Henry has been with Mayo Clinic Ventures since 1995. Prior to MCV, she was a research technician in the Peptide Synthesis Protein Sequencing Core Facility in Mayo Clinic’s Biochemistry and Molecular Biology Department. Henry received a B.A. from St. Cloud State University and an M.B.A. from University of St. Thomas.


Barbara Keller

Director | Licensing, Radiology, Healthcare IT

Barb Keller joined Mayo Clinic in 2002. Prior to MCV, she worked as a contract manager within Mayo Clinic Legal Contract Administration and a patent analyst at IBM. Barb received a B.S. in paralegal studies from Winona State University with a minor in sociology, and an M.A. in both health and human services administration and management from Saint Mary’s University.


Kelly Krajnik

Director | Devices, Diagnostics

Kelly Krajnik joined Mayo Clinic Ventures since 2006. Prior to MCV, she worked at Mayo Clinic as a senior research technologist in the microarray core facility, was a member of the Institutional Review Board, and worked in the Department of Laboratory Medicine and Pathology to develop new molecular diagnostic assays. Krajnik received a B.S. in microbiology from the University of Wisconsin-La Crosse and an M.B.A. from University of St. Thomas. She is also a registered patent agent.


Leif Nelson

Senior Director | Licensing

Leif Nelson joined Mayo Clinic Ventures in 2000 and manages a diverse portfolio of technologies. He has facilitated and negotiated sponsored research, collaboration and license agreements with pharmaceutical, diagnostic, medical device and startup companies. After graduating from Winona State University, he began his career at Mayo Clinic in the ophthalmology research laboratory in 1984.


Business Development

Anantha Santhanam

Manager | Radiology

Anantha Santhanam joined Mayo Clinic Ventures as the Business Development Manager in 2019. Prior to MCV, Dr. Santhanam worked as Head of Upstream Marketing and Business Strategy for startups and early stage companies focused on healthcare predictive analytics and personalized medicine. Before navigating to the commercialization side of healthcare, Dr. Santhanam served as Associate Consultant and Assistant Professor of Anesthesiology at Mayo Clinic. He received his MBA from Carlson School of Management - University of Minnesota, and Doctor of Philosophy (Pharmacology) from Birla Institute of Technology & Science in India.



Jonathon Behringer

Manager | Biopharma, Diagnostics, Orthopedics

Jon Behringer joined Mayo Clinic Ventures in 2016. Prior to MCV, he held various roles in food manufacturing and clinical diagnostic testing. He received a B.S. degree in Biology with a concentration in Biomedical Science from the University of Wisconsin - La Crosse and an M.S. degree in Biotechnology from the University of Wisconsin - Madison.


Darren Carney

Senior Manager | Cardiology, Orthopedics

Darren Carney joined Mayo Clinic Ventures in 2008. Prior to joining MCV, he spent six years performing research in Mayo Clinc's Department of Biochemistry and Molecular Biology. He received a B.S. in biology and biochemistry from Trinity University and Ph.D. in biological chemistry from UT Southwestern.


Seth Eisenman

Associate | Biopharma, Healthcare IT, Research Tools

Seth Eisenman joined Mayo Clinic Ventures in 2018. Prior to MCV, he spent four years performing diagnostic testing and development in Mayo Clinic's Department of Laboratory Medicine and Pathology, and eight years performing research in the Department of Physiology and Biomedical Engineering. He received a B.S. in biology from St. John’s University.


Matthew Ennis

Manager | Cardiology, Devices, Radiology, Research Tools

Matt Ennis joined Mayo Clinic Ventures in 2016. Matt received a B.S. in Biotechnology from North Dakota State University, an M.S. in Biomedical Sciences Biochemistry from Mayo Clinic College of Medicine, and an M.B.A. from Augsburg University.


Kathryn Lenn

Associate | Healthcare IT, Devices, Research Tools 

Katie began her Mayo Clinic career as a Patient Service Representative and Appointment Coordinator. She continued to expand her skills and knowledge as an Education Program Coordinator for Pediatric and Adolescent Medicine before moving to her previous role as a Clinical Research Coordinator in the Hypoplastic Left Heart Syndrome program. Katie earned a B.S. in Education from Winona State University and an M.A. in Health and Human Services Administration from Saint Mary’s University.


Susan Mikell

Manager | Biopharma, Devices

Susan Mikell joined Mayo Clinic Ventures in 2014. Prior to MCV, she was a Program Coordinator within Mayo Clinic’s Cardiovascular Research department. She received a B.A. degree in English from the University of Texas – Austin.


Reeghan Raffals

Manager | Diagnostics, Healthcare IT

Reeghan Raffals joined Mayo Clinic Ventures in 2017. Prior to MCV, he practiced law in Boston and Chicago for 15 years as both a partner and associate, specializing in complex commercial litigation. Dr. Raffals received a law degree from Harvard Law School. He also received an A.B. in Fundamentals: Issues and Texts and an A.M. and Ph.D. from the Committee on Social Thought at the University of Chicago.


Panya Taysavang

Senior Manager | Biopharma

Panya Taysavang joined Mayo Clinic Ventures in 2016. Prior to MCV, he held the position of senior licensing associate at Emory University’s Office of Technology Transfer, and had previously spent eleven years as a Lead Research Specialist for Emory’s School of Medicine. Taysavang holds a B.A. in Chemistry and Philosophy from Emory University and an M.B.A. from the Robinson College of Business at Georgia State University.