Our Team
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Mark Rainosek
CEO and Co-founder, Prinnovo, LLCIn his role as CEO, Mark primarily helps support the Managing Directors of its various Health Venture Offices™, serves on its venture office boards and works with other community health systems to help them understand and adopt the venture office model. Previously, Mark had co-founded and served as the CEO, President or Chief Financial Officer of several early-stage companies including businesses such as PackIQ, Biogistics, Centricity, and Caps Logistics.
Throughout Mark’s career, he has demonstrated knowledge and skills in the areas of raising capital, building strategic plans, executing on business growth, strategic partnership development and M&A, successfully exiting multiple companies to public companies and investor groups in the market. Mark and his family, including his wife Mary and two daughters, are based out of Greensboro, NC.
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Jay Brennan
COO and Co-founder, Prinnovo, LLCJay is responsible for starting, staffing and managing every Health Venture Office™ in the Prinnovo network, as well as serving on various HVO boards and coordinating information sharing between offices, when appropriate.
Jay began his career at Morgan Stanley doing mergers and acquisitions, followed by tech transfer work with University Technology Corporation at the University of Virginia. After earning a joint JD/MBA from UVA, Jay spent twenty years doing turnaround work and buying and selling companies in distribution (leather importing), manufacturing (personal care products) and services (charter school) industries.
Jay served in a leadership capacity with the Piedmont Angel network and worked for many years as an entrepreneurial coach and advisory board facilitator. Jay and his wife, Julie, reside in Greensboro, NC.
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David Heenan
Managing Director, Salinas Valley Health VenturesDavid provides leadership, expertise, and oversight at all stages of the venture life cycle. Prior to joining Prinnovo, David led the formation and management of BrightEdge Ventures, the American Cancer Society’s venture fund, where he deployed $25M, including one IPO.
David started his career in government working on policy development and regulatory enforcement initiatives that included the CDC, US House of Representatives, DOE, Argonne National Laboratory, before leaving to found Aces Health in 2014. At Aces Health, David led multiple rounds of fundraising, totaling over $4M dollars from health systems, health insurers and traditional venture capital. David also oversaw go-to-market strategy and business development efforts before Aces Health was acquired in 2018.
David and his wife Hannah have two sons, Jack and Jacob, and he serves on multiple community boards in Greensboro, NC.
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Carter Smith
Managing Director Cone Health VenturesCarter is a serial entrepreneur with a track record of building and scaling companies across medical devices, advanced composite structures, SaaS, and software development. He has raised over $10 million in venture funding, holds four patents on ultra-lightweight structural technologies, and led two successful exits—including one currently valued at over $66 million. With a background in information systems and business strategy, Carter has spent the past several years focused on health data monetization, helping unlock new value streams from clinical and operational data assets since the onset of the COVID-19 pandemic.Carter Graduated from Brigham Young University with a Degree in Information Systems and Business management, has worked in multiple countries and speaks 4 languages, including Portuguese and Norwegian. Carter resides in Greensboro, NC with his wife and two daughters. -
Stuart Bracken
Managing Director, Northeast Georgia Health VenturesPreviously, Stuart was co-founder and CEO of Bioscape Digital, a Healthcare Technology company focused on improving patient experience, outcomes and referral management. Previously, Stuart was an early employee at Firethorn Holdings (acquired by Qualcomm). Stuart began his career in New York City, leading fund audits and concurrently running a hedge fund that generated a 33% IRR to its Limited Partners.
Stuart holds a Bachelor’s degree in Business and Information Systems and a Master’s in Accounting from Wake Forest University as well as an MBA from The Goizueta Business School at Emory University. Stuart is a recipient of the Atlanta Business Chronicle’s 40 under 40 award, a finalist for Business Person of the Year for Atlanta and a Kauffman Foundation Life Science Ventures Summit Scholar.
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Steve West
Managing Director, Healthliant VenturesPreviously, Steve served as CEO of Phiona Technology, a no-code data management platform, which was acquired in 2023. Prior to Phiona, Steve served as a Product Strategy Director at Anthem, Inc. developing a next generation population health analytics platform in conjunction with a leading electronic health records company.
He also led the mid revenue cycle analytics product development and delivery organization at Streamline Health, where he launched eValuator, the first automated code auditing platform, leading to over $20M in new booked revenue.
Steve began his career at The Advisory Board Company (acquired by Optum) in a variety of consulting, product management and product marketing roles across their operational analytics technology divisions.