Contact Mayo Clinic Ventures


James Rogers III, J.D.

Email: | Phone: 507-266-3280

James Rogers III, J.D., has worked for Mayo Clinic since 2000 and is the chair of Mayo Clinic Ventures. In that role, he is responsible for overseeing the commercialization of Mayo Clinic’s intellectual property. He also holds an appointment within the Mayo Clinic Legal Department and is responsible for overseeing Mayo’s patent portfolio. Prior to joining Mayo Clinic, Rogers worked at 3M Company and the law firm of Dorsey & Whitney, L.L.P. He is a member of the Legal Department’s Business Practice Group and the Medical-Industry Relations Full and Executive Committees. He received a B.S. in biology at the University of Iowa in 1989 and a J.D., with high distinction, at the University of Iowa College of Law in 1991.


Andrew Danielsen

Email: | Phone: 507-284-4858

Andrew Danielsen has been with Mayo Clinic Ventures since 2002 and is vice chair of licensing.  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 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.


Daniel Estes

Email: | Phone: 507-284-5728

Daniel Estes joined Mayo Clinic Ventures in 2005 and is vice chair of operations. He directs the legal, operations and administrative functions of the team. Before coming to Mayo Clinic, Estes held a variety of senior-level product management positions over the course of 24 years within the manufacturing industry, primarily serving the telecommunications, test and measurement, and industrial equipment product sectors. Prior to his current role, he was director of sales and marketing for Crenlo Company, a manufacturer and supplier to original equipment manufacturers in the heavy equipment and construction industries. He holds a B.A. degree from the University of Minnesota, along with an M.B.A. from the Carlson School of Management, University of Minnesota.


Business Development

Kelly Krajnik

Email: | Phone: 507-538-0998

Kelly Krajnik is a business development manager who has been with Mayo Clinic Ventures since 2006. Prior to joining Mayo Clinic Ventures, 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.


Timmeko Love

Email: | Phone: 507-266-0558

Timmeko Love joined Mayo Clinic Ventures in 2014 as a business development manager, working to develop commercialization and business opportunities. Previously, Love was a principal at Best Buy Capital, where she led direct investments in consumer technology startups. Prior to Best Buy, she worked in the semiconductor industry in business development, product management, product marketing and R&D engineering roles. Love received an M.B.A. from Columbia Business School, an M.S. in engineering physics from Cornell University and joint B.S. degrees in physics from Dartmouth College and Florida A&M University.


Emily Wampfler

Email: | Phone: 507-266-6535

Emily Wampfler joined Mayo Clinic Ventures in 2009 and works as a business development manager. In this role, she identifies new business opportunities and seeks commercialization opportunities for the Center for Individualized Medicine.  Previous to joining Ventures, she was a research laboratory technologist studying the properties of the beta-amyloid protein involved in Alzheimer's disease. She received her Master’s Degree in biomedical sciences from the Mayo Graduate School of Medicine and a B.S. in biochemistry and molecular biology from the University of Wisconsin-Eau Claire. She is also a registered patent agent.



Timothy Argo

Email: | Phone: 507-284-1839

Timothy Argo, CLP, is a technology licensing manager who 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. His primary areas of expertise include cardiology, regenerative medicine and medical devices. Argo received both a B.S. in microbiology and an M.B.A. in finance from Kansas State University.


Peter Ball

Email: | Phone: 507-293-7378

Peter Ball joined Mayo Clinic Ventures in 2016 bringing nearly eight years of technology commercialization experience with him to his role as technology licensing manager.  Peter’s prior experience includes being portfolio director at Johns Hopkins Technology Ventures where he facilitated business development, corporate partnerships, commercialization and startup company activities. He has significant experience in commercializing Healthcare IT technologies, as well as innovations in the biotechnology and medical device fields. Peter holds a B.A. degree in Psychobiology from Hamilton College, an M.S. degree in Operations Research from Columbia University, a J.D. degree from the University of Baltimore.


Darren Carney, Ph.D.

Email: | Phone: 507-266-1204

Darren Carney, Ph.D., is technology licensing manager with a focus on orthopedic inventions and industrial relationships. He previously held the role of IP compliance specialist. Prior to joining Mayo Clinic Ventures in 2008, he spent six years performing research at Mayo in the Department of Biochemistry and Molecular Biology. He received his B.S. in biology and biochemistry from Trinity University and his Ph.D. in biological chemistry from UT Southwestern.


Barbara Keller

Email: | Phone: 507-266-6080

Barbara Keller is a technology licensing manager who joined Mayo Clinic in 2002. She 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. Prior to Mayo Clinic Ventures, she worked as a contract manager within Mayo Clinic Legal Contract Administration. She also has been a patent analyst at IBM. Her primary areas of expertise are health care IT and medical devices.


Bruce Kline

Email: | Phone: 507-266-4586

Bruce Kline is a technology licensing manager who joined Mayo Clinic in May of 2003. He received a B.S. in mathematics from Minnesota State University with a concentration in statistics. Prior to joining Mayo Clinic, he held positions in process and facilities engineering, international business development, product management and regional sales management — all within the electronics industry. His primary areas of expertise are intellectual property management, technology commercialization and electronic materials. He is an active member of the Licensing Executive Society, Radiological Society of North America and IPC.


Leif Nelson

Email: | Phone: 507-266-0820

Leif Nelson is a senior technology licensing manager who 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. He is currently a member of Mayo Clinic’s Medical-Industry Relations Committee. After graduating from Winona State University, he began his career at Mayo Clinic in the ophthalmology research laboratory in 1984.


Panya Taysavang

Email: | Phone: 507-293-3900

Panya Taysavang is a technology licensing manager who joined Mayo Clinic in 2016, bringing over 10 years of technology commercialization experience. Prior to joining Mayo Clinic Ventures, he held the position of senior licensing associate at Emory University’s Office of Technology Transfer where he managed a portfolio of technologies in the areas of preclinical and early-stage pharma, biotech, diagnostic, medical device, imaging, and healthcare IT. Prior to his technology transfer role, Panya spent eleven years as a Lead Research Specialist for Emory’s School of Medicine. He 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.