Contraline Team

“Great vision without great people is irrelevant."

Jim Collins

Our Team
View Kevin's bio
Kevin Eisenfrats

Founder and Chief Executive Officer

View Yelena's bio
Yelena Tropsha, PhD

Chief Technology Officer

View Alex's bio
Alex Pastuszak, MD PhD

Chief Medical Officer

View Robert's bio
Robert Greenleaf

VP of Quality and Operations

View Ted's bio
Ted Looney

Director of Finance and Business Development

View Lindsey's bio
Lindsey Ott

Director of Program Management

View Katie's bio
Katie Lloyd

Director of Operations

View Nic's bio
Nic Matsumoto, PhD

Sr. Principal Scientist / CMC Manager

View Tim's bio
Tim Barry

Product Development Manager

View Tyler's bio
Tyler Chiartas

Preclinical Research Manager

View Ben's bio
Ben Paysour

Product Engineer III

View Ernest's bio
Ernest Anoma, Jr.

Sr. Design Assurance Engineer

View Mary's bio
Mary Taylor

Operations Specialist - Facilities & Logistics

View Allen's bio
Allen Dyson-Cersley

Laboratory Technician

View Ella's bio
Ella Stack

Clinical Research Associate

Interested in joining us?

We are always looking for hard-working, passionate individuals who are excited to bring new contraceptive options to the world. If you enjoy working in small teams and solving difficult problems, you'd be a great fit for Contraline.

We are always looking for hard-working, passionate individuals who are excited to bring new contraceptive options to the world. If you enjoy working in small teams and solving difficult problems, you'd be a great fit for Contraline.

Board of Directors
Martin Emerson

Marty is an executive with over 30 years of experience leading medical device companies with innovative technologies through approval and commercialization. Previously, he served as the CEO of American Medical Systems, a publicly-traded urology and gynecology device company with sales of over $500 million (acquired by Boston Scientific for $1.6 billion), as the president and CEO of Galil Medical (acquired for $110M by BTG plc), and currently serves as the president and CEO of Monteris Medical. He holds a Bachelor of Science in Accounting from Marquette University.

Michael King, PhD

Dr. Michael King is a professor of practice in the Department of Chemical Engineering at the University of Virginia. Mike had a significant 32-year industrial experience at Merck and Co, Inc. including responsibilities in both the research and manufacturing areas related to the commercialization of new pharmaceuticals and vaccines. He retired as senior VP and advisor to the chairman, president and CEO. He is currently engaged with the Bill and Melinda Gates Foundation in helping de-risk commercialization of a new vaccine technology and previously, was on the Board of Directors of Medivation (acq. by Pfizer).

Gurdane Bhutani

Gurdane Bhutani is Founder and Managing Partner at MBX Capital, an early stage healthcare venture fund. He previously worked as a consultant at Bain & Company, Morgan Stanley, and was involved in launching Startup Health. Gurdane is a Kauffman fellow and bears dual-degree in computer science and public policy from Duke University.

Tom Thorpe

Tom Thorpe is CEO of Afton Scientific, a cGMP contract manufacturer of sterile drugs and products for use in new drug development and production. Tom has over 30 years of experience in commercial pharmaceutical operations. He is a member of the Board and the Executive Committee of the Pharmaceutical and Bio-Pharmaceutical Outsourcing Association (BPOA) and previously served as Board Chair of the Virginia Biotechnology Association (Virginia Bio). Tom holds a B.S. in Chemical Engineering from the University of Connecticut and an MBA from University of Virginia.

Kevin Eisenfrats

Kevin co-founded Contraline and has been CEO since its inception. At Contraline, Kevin provides vision, leads fundraising, and business development. He is an inventor on 35+ patents relating to novel contraceptive drugs and devices, biomaterials, drug delivery, and surgical devices. He has a degree in Nanomedicine Engineering from the University of Virginia with minors in Chemistry and Biomedical Engineering. He was listed on the Forbes 30 under 30 in Healthcare.

Scientific Advisory Board
Craig Niederberger, MD

Dr. Craig Niederberger is a Professor and Head of the Department of Urology at the University of Illinois at Chicago. He also holds a joint appointment as Professor in the Department of Bioengineering in the College of Engineering at UIC. He is co-editor in chief of Fertility and Sterility and served as an editor for the Journal of Urology. He is a co-founder of the surgical device company NexHand.

Aaron Spitz, MD

Dr. Aaron Spitz has been practicing urology for over 21 years. He has specialized expertise in male reproductive medicine and male sexual health, and is a nationally recognized expert on vasectomy, vasectomy reversal, sperm retrieval surgery, and Peyronie's disease. He received the Distinguished Service Award from the AUA in 2020 and is currently Chairman of the AUA's Telehealth Task Force.

Jay Sandlow, MD

Dr. Jay Sandlow is a fellowship trained specialist in male infertility. He is experienced in microsurgery, as well as minimally invasive treatments for male contraception. He has co-authored the national guidelines for vasectomy and male infertility. His goal is to provide state-of-the-art, cutting edge diagnosis and treatments to his patients and couples, often emphazing patient education and participation.

Meng Deng, PhD

Dr. Meng Deng is an Associate Professor of Agricultural and Biological Engineering, Materials Engineering, and Biomedical Engineering at Purdue University. His research interests include biomaterials, drug delivery, nanotechnology, and regenerative engineering. Dr. Deng serves as associate editor for Frontiers in Bioengineering and Biotechnology and on the editorial board of Regenerative Engineering and Translational Medicine. He is also founder of Adipo Therapeutics.

Dr. John Herr, Co-Founder of Contraline
In memoriam


Contraline is deep rooted in Dr. John Herr's essence. Dr. Herr was a visionary, a scientist, and an entrepreneur at the forefront of reproductive medicine. Contraline is continuing his legacy by developing innovative reproductive health technologies. Learn more about John here.

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