Elevating the Next Generation of Innovators
Venture Capital Dedicated to Life Science Innovations
About GenHenn Capital
& Our Investment Thesis
GenHenn Capital Venture Fund I LLC is a venture capital firm investing in early-stage life sciences, healthcare, and biotech companies developing high-impact solutions. We partner with visionary entrepreneurs, providing capital, strategic guidance, and deep industry expertise to help them navigate complex challenges and scale effectively.
Founded in 2022 as a single-family office, we take a long-term approach, recognizing that breakthrough ideas require strong execution. Our $75 million fund focuses on Seed and Series A investments, typically deploying $2–$5 million per company. We actively support founders with top-tier leadership skills, prioritizing businesses with differentiated technology, a clear path to commercialization, and strong leadership.
We structure our investments through equity, convertible securities, and other equity-linked instruments, with a core focus on medical devices, diagnostics, therapeutics, and healthcare infrastructure. As AI, data-driven research, and technological advancements accelerate industry breakthroughs, we seek companies positioned to capitalize on these shifts. To date, we have invested in 17 companies, measuring success not only in financial returns but in the lasting impact our portfolio companies have on industries, patients, and communities worldwide.
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Founder & Chief Investment Officer
Mike Hennessy Jr.
Mike is the Founder and Chief Investment Officer of GenHenn Capital, where he leads investment strategy and portfolio management. He launched GenHenn to expand his family’s legacy of driving meaningful impact in healthcare, backing innovative life sciences companies that improve patient outcomes.
He is also the CEO and President of MJH Life Sciences, the largest privately held medical media company in North America. Under his leadership, MJH has grown to over 60 brands, acquired UBM Life Sciences, and launched Medical World News, reinforcing his commitment to advancing healthcare through information and investment.
Mike earned his degree from Loyola University Maryland. He enjoys spending time with his wife and children, running, CrossFit, and watching Yankees baseball.
Advisor
Bill Hagaman
Bill is a strategic Advisor at GenHenn Capital, where he plays an active role in managing of the family office, focusing on asset evaluation, allocation, and investment strategy.
Previously, he was the Managing Partner and CEO of Withum, one of the country’s largest accounting, tax, and advisory firms. During his tenure from 2010 to 2022, he led the firm’s expansion into non-traditional advisory services and grew revenue sixfold.
Bill earned his degree from Richard Stockton College of New Jersey and serves on multiple industry and nonprofit boards. A recognized leader in business and finance, he has been widely featured in media and industry publications for his insights on leadership and strategy. Outside of work, he enjoys mentoring others, coaching youth sports, and spending quality time with his family.
Vice President
Raul Martinez
Raul is a Vice President at GenHenn Capital, where he focuses on investment sourcing, investment analysis, due diligence, and portfolio management for early-stage life sciences companies. He takes an analytical yet practical approach to evaluating businesses, blending rigor with a genuine commitment to supporting entrepreneurs and their vision.
Previously, he was a Manager at Bain & Company in the Private Equity and Mergers & Acquisitions group, advising investors on commercial diligence and value creation. His experience spans multiple industries, with a focus on assessing investment opportunities and strategic growth initiatives.
He holds an MBA from Wharton, a law degree from Penn Law, an MPP from USC, and a BA from UCSB. Outside of work, he enjoys teaching youth boxing, running, and spending time with his family.
OUR TEAM
Investment Portfolio
Philanthropy
At GenHenn Capital, our commitment to improving lives goes beyond venture investing. While we back early-stage biotech, healthcare, and life sciences companies that drive medical innovation, we recognize that access to cutting-edge healthcare and education remains a challenge for many communities.
Through the Mike & Patti Hennessy Foundation, we extend our impact by supporting healthcare advancements, STEM education, and faith-based initiatives that create opportunities for underserved populations.
Health
The Mike & Patti Hennessy Foundation proudly supports innovative and collaborative efforts to advance the state of medicine and healthcare in the area of hereditary diseases. We seek to support new methods of prevention or medicines that will prevent or cure hereditary disease.
Education
To effectuate change in the area of prevention and treatment of hereditary disease, the Mike & Patti Hennessy Foundation aims to to encourage the next generation of students to dream big, think critically, and challenge the standard of care. The Foundation supports high-quality and challenging educational experiences.
Faith
The Mike & Patti Hennessy Foundation collaborates within our local communities to help Christian educational programming thrive so that communities can address the needs of our students, and educate the whole child - academically, emotionally, spiritually and socially.
Contact Us
If you're building a groundbreaking life sciences company, we'd love to hear from you. Email us your pitch deck to schedule a meeting with our team.
GenHenn Capital is a family office and as such is not required to be registered as an investment adviser with the U.S. Securities and Exchange Commission. GenHenn Capital does not seek, solicit, or accept clients or potential clients that are not eligible as “family clients” of GenHenn Capital, as defined in the rules promulgated under the U.S. Investment Advisers Act of 1940.