Who We Are
Innovating for a better tomorrow.
We’re a group of seasoned entrepreneurs, eager to champion your solution within NGHS.
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Mark Rainosek
Managing Director
Mark Rainosek is the co-founder and chief executive officer of Prinnovo, LLC, as well as a managing director of Northeast Georgia Health Ventures, LLC. Mark has founded and developed multiple innovative technology companies over the past 30 years, resulting in three successful exits to public companies.
Mark has significant experience building business plans and financial models, raising growth capital, and developing early-stage technology companies, especially in partnership with large, strategic organizations.
Mark co-founded Prinnovo to help small to mid-size independent health systems become more innovative in order to develop new margin sources and ways to care for their communities.
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Jay Brennan
Managing Director
Jay has extensive experience over the past 20 years working with startups, leading turnarounds, and coaching and developing entrepreneurs. After starting in the technology transfer world – evaluating and raising capital for promising startups – Jay moved into operations-consulting work for privately held companies in the Greensboro, NC area.
As cofounder of Prinnovo, LLC, Jay hires, trains and manages the staff of each health venture office, developing close relationships with health system leaders and coaching and guiding the entrepreneurial partners to deliver innovative solutions that solve the health system’s most pressing needs.
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Stuart Bracken
Ventures Principal
A successful entrepreneur, Stuart Bracken’s career to date includes co-founding three separate companies. His experience includes expertise in Mobile, SAAS, and License models.
Stuart was co-founder, CEO and board member of Bioscape Digital, a patient engagement platform company.
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. He is a recipient of the Atlanta Business Chronicle’s 40 under 40 award.
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Peter Quarterman
Ventures Director
Peter Quarterman began his career as chief of staff at Aces Health, a healthcare tech startup, and continued to lead the operations team there until its acquisition in 2018.
As the years progressed, Peter worked in operations roles at various startups in the healthcare and fintech industries while priding himself on attention to detail, strategic thinking, and operational excellence.
Peter serves as a strategic advisor for several startups in the healthcare and fintech sectors.
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Priya Sharma
Ventures Project Manager
Priya Sharma joined Prinnovo, LLC in 2022 as a Ventures Project Manager. Her combination of strategic planning, creative problem solving, and analytical thinking are true assets to the company.
Priya began her career as a Senior Practice Manager working with team of dentists delivering both quality and affordability of oral health care. She has always admired working with people and making a difference in their lives.
After spending 10 years in dentistry, she began exploring ways to take her career to the next level. Over the last 3 years, Priya has managed projects related to COVID-19 testing for cast and crew for several large production companies, such as Netflix and Paramount Studios. Priya is also a Certified Project Management Professional (PMP).
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